Walter A. Hasenmueller Matthew R. Johnson Dana K. Bissey 20220726 vector digital data https://doi.org/10.14434/ijes.v5i1.36421 The Bedrock Geologic Map of the Indianapolis 30 x 60 Minute Quadrangle, Central Indiana is an Esri File Geodatabase that contains one feature dataset with three feature classes, and four geodatabase tables detailing the bedrock geology of the Indianapolis 30 x 60 Minute Quadrangle, Central Indiana. This data set conforms to "GeMS (Geologic Map Schema)--a standard format for the digital publication of geologic maps." For more information on GeMS please refer to the supplemental information within this metadata. This was a conversion from paper map to GeMS compliant GIS data. The Bedrock Geologic Map of the Indianapolis 30 x 60 Minute Quadrangle, Central Indiana was created to present basic bedrock geologic information that contributes to the characterization of potential aggregate resources, characterization of bedrock aquifer systems, and analysis of the overlying predominantly glacial deposits. This map is based on data obtained from several thousand records including petroleum well drillers' logs, geophysical logs, water well drillers' logs, descriptions of cores recovered by the Indiana Geological Survey, seismic refraction records collected by the Indiana Geological and Water Survey, natural exposures in and near the map area, and exposures in active and abandoned quarries. This database is, in large part, the result of a cooperative mapping agreement between the U.S. Geological Survey (USGS) and the Indiana Geological and Water Survey through the STATEMAP program of the USGS. Indianapolis_BG_100k is a composite geodata set that conforms to "GeMS (Geologic Map Schema)--a standard format for the digital publication of geologic maps," available at http://ngmdb.usgs.gov/Info/standards/GeMS/, and consists of the below files and folders: IN_2021_Indianapolis100k_2-0 - a folder containing all components of the GeMS compliant package Also in this folder: Validation .html files, namescheck.xlsx, readme.txt, and a transmittal letter. IN_2021_Indianapolis100k_2-0 - folder containing database and shapefile folders, as well as the files listed below: .jpg map layout and feature level metadata .xml file IN_2021_Indianapolis100k_2-0-database: Indianapolis_BG_100k.gdb - an ESRI file geodatabase. See below for more information and explanation of feature classes and tables. Indianapolis_BG_100k.aprx - an ArcGIS Pro Project File Resources folder containing the .stylx file for the GeMS database and geodatabase for map layout resources IN_2021_Indianapolis100k_2-0-shapefile - a folder containing the shapefile version of the database. It consists of shapefiles, DBF files, and delimited text files and retains all information in the native geodatabase, but some programming will likely be necessary to assemble these components into usable formats. The ESRI file geodatabase (Indianapolis_BG_100k.gdb) contains the following: GeologicMap: feature dataset containing the following feature classes (GIS layers): ContactsAndFaults: line layer representing locations of contacts and faults. IsoValueLines: line layer representing structure contours on the top of two geologic units. MapUnitPolys: polygon layer representing the distribution of geologic map units. DataSources: table that lists sources and (or) references used to derive spatial features (points, lines, polygons) and attribute information. DescriptionOfMapUnits: table of map unit descriptions derived from the collar of the geologic map or geologic map pamphlet. The hierarchical order of map units is coded in the HierarchyKey field. GeoMaterialDict: table that defines and lists lithology terms in hierarchical order used in the GeoMaterial field of the DescriptionOfMapUnits table. The standardized vocabulary is available in Appendix 1 of the GeMS documentation, available at https://doi.org/10.3133/tm11B10. Glossary: table that defines and lists sources of terms used in the database. 20230810 observed Complete As needed -87.0000 -86.0000 40.0000 39.5000 ISO 19115 Topic Category geoscientificInformation IGWS Metadata Keyword Thesaurus Indiana Geological and Water Survey (IGWS) IGWS formation bedrock member Devonian Silurian stratigraphy Mississippian Pennsylvanian IGWS Stratigraphic Names Thesaurus Pennsylvanian Mansfield Formation Mississippian West Baden Group Blue River Group Sanders Group Silurian New Providence Shale Devonian Edwardsville Formation Muscatatuck Group Spickert Knob Formation Pleasant Mills Formation New Albany Wabash Group None Indiana Boone County Montgomery County Putnam County Morgan County Johnson County Marion County Hamilton County Hendricks County None. Acknowledgment of the Indiana Geological and Water Survey would be appreciated in products derived from these data. None. Acknowledgment of the Indiana Geological and Water Survey would be appreciated in products derived from these data. The following source citation must be included: Hasenmueller, W. A., Johnson, M.R., and Bissey, D.K., 2023 GIS Data for Bedrock Geologic Map of the Indianapolis 30 x 60 Minute Quadrangle (2003), Central Indiana, Indiana: Indiana Geological and Water Survey, Indiana Journal of Earth Sciences, v. 5, scale 1:100,000. doi: https://doi.org/10.14434/ijes.v5i1.36421. Although software enables the user to display images at various scales, map data in this report should not be used at scales greater than 1:100,000. Indiana Geological and Water Survey mailing

1001 E 10th St

Bloomington IN 47405-1405 US 812 855 7636 IGWSInfo@indiana.edu Hasenmueller, W. A., Johnson, M. R., and Bissey, D. K., 2021 GIS Data for Bedrock Geologic Map of the Indianapolis 30 x 60 Minute Quadrangle (2003), Central Indiana, Indiana: Indiana Geological and Water Survey, Indiana Journal of Earth Sciences, v. 5, scale 1:100,000. doi: https://doi.org/10.14434/ijes.v5i1.36421 Version 10.0 (Build 22000) ; Esri ArcGIS 13.0.0.36056 Geologic contacts and information were garnered from 1:100,000-scale mapping of bedrock material based on observation from and geologic fieldwork in the region. The geologic information will change when the current mapping plan moves into the Indianapolis 30- X 60-minute quadrangle. Topology tests were performed to ensure the integrity of the data. These tests checked for polygon overlaps and gaps and line pseudos, dangles, and intersections. Geologic contacts and information were garnered from 1:100,000-scale mapping of bedrock material based on observation from and geologic fieldwork in the region. The geologic information will change when the current mapping plan moves into the Indianapolis 30- X 60-minute quadrangle. Topology tests were performed to ensure the integrity of the data. These tests checked for polygon overlaps and gaps and line pseudos, dangles, and intersections. The data set is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. Hasenmueller, W. A. 2003 publication Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 https://scholarworks.iu.edu/dspace/handle/2022/28806 100000 Digital and/or Hardcopy 2003 publication date OFS03-07 Used to create GeMS compliant database U.S. Geological Survey 2003 publication https://ngmdb.usgs.gov/fgdc_gds/geolsymstd.php Digital and/or Hardcopy 2003 publication date FGDC-STD-013-2006 Used to implement GeMS database standard. Evan Thoms (USGS) Ralph Haugerud Ryan Crow FreewheelMaps rwardwell (USGS) 202006 2.1.0 tabular digital data https://github.com/usgs/gems-tools-pro Digital and/or Hardcopy 202006 publication date gems-tool-pro These tools were used to create the initial GeMS geodatabase, update database, and validate database. Legacy MapUnitPolys were converted from dxf coverage files to polygons. These polygons were imported into MapUnitPolys where topology was checked and corrected. Once corrected, MapUnitPolys was converted to lines and imported into ContactsAndFaults. An additional line feature was imported representing the Fortville Fault from the legacy data into ContactsAndFaults. Attributes were populated for ContactsAndFaults and MapUnitPolys based on GeMS requirements. Map unit colors were matched to the original publication as best possible and are represented as RGB values in the AreaFillRGB field of the DescriptionOfMapUnits table. They are also provided in the custom Esri Style file. OFS03-07 20220726 Vector GT-polygon composed of chains 211 NAD 1983 UTM Zone 16N 0.9996 -87.0 0.0 500000.0 0.0 coordinate pair 0.0001 0.0001 meters D North American 1983 GRS 1980 6378137.0 298.257222101 DescriptionOfMapUnits Non-spatial table that captures content of the Description of Map Units (or equivalent List of Map Units and associated pamphlet text) included in a traditional paper geologic map. Has an internal hierarchy expressed by attribute HierarchyKey GeMS OBJECTID Internal feature number ESRI sequential integer values MapUnitShort plain-text identifier of the map unit. Foreign key to DescriptionOfMapUnits table.GeMS Sw Wabash Formation of the Bainbridge or Salina Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Dm Muscatatuck Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Pm Mansfield Formation of the Raccoon Creek Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Mwb West Baden Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Mnp New Providence Shale of the Borden Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Ms Sanders Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Mske Edwardsville and Spickert Knob Formations of the Borden Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 DMnar Rockford Limestone and New Albany Shale undifferentiated of the Muscatatuck Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Mbr Blue River Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Spm Pleasant Mills Formation of the Bainbridge of Salina Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Name Name of map unit, as shown in boldface in traditional DMU, e.g., "Shnabkaib Member". Identifies unit within its hierarchical context. GeMS Examples of values: "Mansfield Formation" and "Blue River Group" FullName Name of map unit including identification of containing higher rank unit(s), e.g., "Shnabkaib Member of Moenkopi Formation". GeMS Examples of values: "Mansfield Formation of the Raccoon Creek Group" and "Edwardsville and Spickert Knob Formations of the Borden Group" Age Age of map unit as shown in Description of Map Units. Examples of values are "late Holocene", "Pliocene and Miocene", "Lower Cretaceous". GeMS Examples of values: "Pennsylvanian", "Mississippian" and "Mississippian-Devonian" Description Free-format text description of map unit. Commonly structured according to one or more accepted traditions (e.g., lithology, thickness, color, weathering and outcrop characteristics, distinguishing features, genesis, age constraints) and terse. GeMS Example of values: "Sandstone and shale with minor amounts of coal, underclay, and ironstone. The Mansfield Formation is the lowest formation in the Raccoon Creek Group, which consists of, in descending order, the Staunton, Brazil, and Mansfield Formations. The base of the Mansfield is a regional diachronous unconformity that includes networks of southwestward-trending paleovalleys with relief in excess of 100 feet. The Mansfield rests on the West Baden and Blue River Groups in the southwestern part of the map area and rocks of the Sanders and Borden Groups in the northwestern part of the map area. The full thickness of the Mansfield is not present in map area." HierarchyKey String that records hierarchical structure. Has form nn-nn-nn, nnn-nnn, or similar. Numeric, left-padded with zeros, dash-delimited. Each HierarchyKey fragment of each row MUST be the same length to allow text-based sorting of table entries. GeMS Examples of values: "1-1" or "5-2" ParagraphStyleToken that identifies formatting of paragraph(s) within traditional Description of Map Units that correspond to this table entry.GeMS Normal Paragraph style: Normal + Indent: Left: 0.5" Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Heading1 Paragraph style: Bold + All caps Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Label Plain-text equivalent of the desired annotation for a feature: for example "14 Ma", or "^c" which (when used with the FGDC GeoAge font) results in the geologic map-unit label TRc (with TR run together to make the Triassic symbol). GeMS Examples of values: "Mske" and "DMnar" Symbol Reference to a point marker, line symbol, or area-fill symbol that is used on the map graphic to denote the feature: perhaps a star for a K-Ar age locality, or a heavy black line for a fault. GeMS Values of <null> or #null indicate no entry. AreaFillRGB {Red, Green, Blue} tuples that specify the suggested color (e.g., "255,255,255", "124,005,255") of area fill for symbolizing MapUnit. Each color value is an integer between 0 and 255, values are zero-padded to a length of 3 digits, and values are separated by commas with no space: NNN,NNN,NNN. GeMS Examples of values: "104,160,201" and "202,205,210" AreaFillPatternDescription Text description (e.g., "random small red dashes") provided as a convenience for users who must recreate symbolization. GeMS Values of <null> or #null indicate no entry. DescriptionSourceIDSource of map-unit description; foreign key to table Datasources.GeMS DAS1 Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 This report GeoMaterialCategorization of map unit based on lithologic and genetic character, term selected from NGMDB standard term list defined in Appendix A of GeMS documentation, available at http://ngmdb.usgs.gov/Info/standards/GeMS..GeMS Mostly mudstone Mostly mudstone, interbedded with other sedimentary rocks that locally may include coarser grained clastic rocks (sandstone, conglomerate), carbonates, and (or) coal. GeMS Carbonate rock Sedimentary rock, consisting chiefly of carbonate minerals such as limestone or dolomite. GeMS Sandstone and mudstone Sandstone and mudstone (including shale and siltstone), in approximately equal (or unspecified) proportions. GeMS Clastic sedimentary rock Sedimentary rock, composed predominantly of particles or clasts derived by erosion, weathering, or mass-wasting of preexisting rock and deposited by gravity, air, water, or ice. GeMS GeoMaterialConfidenceDescribes appropriateness of GeoMaterial term for describing the map unit.GeMS Medium The term and definition generally characterize the overall lithology of the map unit, but there are one or more significant minor lithologies that are not adequately described by the selected term. GeMS documentation DescriptionOfMapUnits_ID Primary key. GeMS Arbitrary string. Values should be unique within this database. Example of Values: "DMU01" DataSources Non-spatial table of sources of all spatial features, sources of some attributes of spatial features, and sources of some attributes of non-spatial table entries. GeMS OBJECTID Internal feature number ESRI sequential integer values Source Plain-text short description that identifies the data source. GeMS Example of values: "Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates." Notes Additional information specific to a particular feature or table entry. GeMS Free text. Values of <null> or #null indicate no entry. Example of value: "Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates." URL Universal Resource Locator (URL) or Document Object Identifier (DOI), identifies a document on the World Wide Web. GeMS Example of values: "https://scholarworks.iu.edu/dspace/handle/2022/28806" DataSources_ID Primary key. GeMS Arbitrary string. Values should be unique within this database. Example of Values: "DAS1" Glossary Non-spatial table that, for certain fields (including all Type fields, Confidence fields, and GeneralLithology), lists the terms that populate these fields, term definitions, and sources for definitions. GeMS OBJECTID Internal feature number ESRI sequential integer values Term Plain-language word for a concept. Values must be unique within database as a whole. GeMS Geologic concept, feature, phenomenon, or other terminology being defined. Examples of values: "map boundary" and "certain" Definition Plain-language definition of value in Term GeMS Examples of values: "Polyline showing mapping extent" and "Identity of a feature can be determined using relevant observations and scientific judgment; therefore, one can be reasonably confident in the credibility of this interpretation." DefinitionSourceIDSource of definition; foreign key to DataSources.GeMS DAS1 Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 This report FGDC-STD-013-2006 Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates. This report Glossary_ID Primary key. GeMS Arbitrary string. Values should be unique within this database. Example of Values: "GLO1" GeoMaterialDict Non-spatial table that provides values of GeoMaterial, placed in a hierarchy, and their definitions. For further information, see Appendix A in GeMS documentation, available at http://ngmdb.usgs.gov/Info/standards/GeMS. GeMS OBJECTID Internal feature number ESRI sequential integer values HierarchyKey String that records hierarchical structure. Has form nn-nn-nn, nnn-nnn, or similar. Numeric, left-padded with zeros, dash-delimited. Each HierarchyKey fragment of each row MUST be the same length to allow text-based sorting of table entries. GeMS Examples of values: "01.01 and "01.01.01.03.02" GeoMaterialCategorization of map unit based on lithologic and genetic character, term selected from NGMDB standard term list defined in Appendix A of GeMS documentation, available at http://ngmdb.usgs.gov/Info/standards/GeMS..GeMS Chert Sedimentary rock, composed chiefly of microcrystalline or cryptocrystalline quartz. GeMS Conglomerate Sedimentary rock, composed predominantly of particles or clasts derived by erosion and weathering of preexisting rock; contains more than 30 percent gravel-sized clasts. GeMS Felsic-composition lava flows Lateral, surficial outpourings of molten lava from vent or fissure; also, solidified bodies of rock that form when they cool. Because of their high silica content and resulting high viscosity, parental magmas tend to erupt explosively, and so these deposits are uncommon. Includes fine-grained, light-colored rock with rhyolitic, dacitic, trachytic, and latitic composition. GeMS Fine-grained, intermediate-composition intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at shallow depth beneath Earths surface, thereby cooling quickly. Generally fine grained but may contain large mineral crystals (phenocrysts). Mostly found as tabular dikes or sills. Intermediate in color and in mineral composition (between felsic and mafic igneous rock). Includes andesitic rock. GeMS Slate and phyllite, of sedimentary-rock origin Fine-grained rock derived from preexisting sedimentary rocks and altered by essentially solid-state mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Includes phyllite and slate (compact, fine-grained rock that possesses strong cleavage and, hence, can be split into slabs and thin plates). Mostly formed from fine-grained material such as mudstone. GeMS Mafic-composition air-fall tephra Fragments of volcanic rock and lava, of various sizes, carried into the air by explosions and by hot gases in eruption columns or lava fountains; known as tephra. As tephra falls to ground, with increasing distance from volcano, average size of individual rock particles and thickness of resulting deposit decrease. Because of their low silica content and resulting low viscosity, parental magmas tend to erupt gently as lava flows, and so these deposits are uncommon. Includes basalt; rocks are commonly dark-colored. GeMS Metasedimentary rock Rock derived from preexisting sedimentary rocks and altered by essentially solid-state mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. GeMS Quartzite Rock derived from preexisting quartz-rich sedimentary rocks (commonly sandstone) and altered by essentially solid-state mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, shear stress, and (or) chemical environment, generally at depth in Earths crust. GeMS Loess Silty sediment, deposited by wind, commonly near glacial margin. GeMS Clastic sedimentary rock Sedimentary rock, composed predominantly of particles or clasts derived by erosion, weathering, or mass-wasting of preexisting rock and deposited by gravity, air, water, or ice. GeMS Water or ice Water or ice GeMS Coarse-grained, mafic-composition intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at some depth beneath Earths surface, thereby cooling slowly enough for mineral crystals to grow large enough to be visible to naked eye. Composed mostly of feldspar and dark-colored minerals. Includes gabbroic rock. GeMS Marine sediment Mud and sand, deposited in various marine environments. May originate from erosion of rocks and sediment or may be derived from marine organisms (of carbonate or siliceous composition). GeMS Intrusive igneous rock Rock that solidified from molten or partly molten material (magma) below Earths surface. GeMS Sediment Unconsolidated material (sediment) composed of particles deposited by gravity, air, water, or ice, or as accumulated by other natural agents operating at Earths surface such as chemical precipitation or secretion by organisms. Does not include sedimentary material directly deposited as a result of volcanic activity. GeMS Carbonate sediment Sediment formed by biotic or abiotic precipitation from aqueous solution of carbonates of calcium, magnesium, or iron (for example, limestone, dolomite). GeMS Alluvial sediment Unconsolidated material deposited by streams or other bodies of running water as sorted or semisorted sediment in streambed, or on its floodplain or delta, or as cone or fan at base of mountain slope. Grain size varies from clay to gravel. GeMS Sedimentary material An aggregation of particles deposited by gravity, air, water, or ice, or as accumulated by other natural agents operating at Earths surface such as chemical precipitation or secretion by organisms. May include unconsolidated material (sediment) and (or) sedimentary rock. Does not include sedimentary material directly deposited as a result of volcanic activity. GeMS Rock and sediment Various rocks and sediment, not differentiated. GeMS Mass movement sediment Sediment formed by downslope transport of particles or clasts produced by weathering and breakdown of underlying rock, sediment, and (or) soil. Composed of poorly sorted and poorly stratified material that ranges in size from clay to boulders. Includes colluvial, landslide, talus, and rock-avalanche deposits. GeMS Meta-ultramafic rock Rock derived from preexisting ultramafic rocks by essentially solid-state, mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Composed mostly of magnesium-bearing minerals (for example, serpentine, talc, magnesite). GeMS Volcaniclastic (fragmental) material Rock and unconsolidated material consisting of particles or clasts that were formed by volcanic explosion or aerial expulsion from volcanic vent. GeMS Metaigneous rock Rock derived from preexisting igneous rocks and altered by essentially solid-state, mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, shear stress, and (or) chemical environment, generally at depth in Earths crust. GeMS Marine sediment, mostly coarse-grained Mud, sand, and gravel eroded from rocks and sediment on land, transported by streams, and deposited in marine deltas and basins. Mostly siliceous in composition. GeMS Lacustrine sediment Mostly well-sorted and well-bedded material that ranges in grain size from clay to gravel, deposited in perennial to intermittent lakes. Much of sediment is derived from material eroded and transported by streams. Includes deposits of lake-marginal beaches and deltas. GeMS Sand and gravel of unspecified origin Sediment composed mostly of sand and (or) gravel, formed by weathering and erosion of preexisting rocks or minerals; eroded particles or clasts are transported and deposited by gravity, air, water, or ice. GeMS Meta-felsic and intermediate rock Rock derived from preexisting felsic and intermediate-composition rocks by essentially solid-state, mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Composed mostly of light-colored minerals; relatively enriched in silica. Includes metagranite, metadiorite, and meta-andesite. GeMS Contact-metamorphic rock Altered rock that originated by local processes of thermal metamorphism, genetically related to intrusion and extrusion of magmas and taking place at or near contact with body of igneous rock. Metamorphic changes are effected by heat and fluids emanating from magma and by some deformation because of emplacement of igneous mass. GeMS Glacial till, mostly silty Mostly unsorted and unstratified material, generally unconsolidated, deposited directly by and underneath or adjacent to glacier without subsequent reworking by meltwater. Consists of heterogeneous mixture of clay, silt, sand, gravel, and boulders, ranging widely in size and shape. Relatively loamy (silty) in texture. GeMS Clastic sediment Sediment formed by weathering and erosion of preexisting rocks or minerals; eroded particles or clasts are transported and deposited by gravity, air, water, or ice. GeMS Lower-grade metamorphic rock, of unspecified origin Rock derived from preexisting rocks and altered by essentially solid-state mineralogical, chemical, or structural changes, in response to relatively mild regional changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Origin of preexisting rock is mixed (for example, igneous and sedimentary) or is not known. Includes slate and phyllite. GeMS Residual material Unconsolidated material, developed in place by weathering of underlying rock or sediment. Usually forms relatively thin surface layer that conceals unweathered or partly altered source material. Material from which soils are formed. GeMS Felsic-composition air-fall tephra Fragments of volcanic rock and lava, of various sizes, carried into air by explosions and by hot gases in eruption columns or lava fountains; known as tephra. As tephra falls to ground, with increasing distance from volcano, average size of individual rock particles and thickness of resulting deposit decrease. Because of their high silica content and resulting high viscosity, felsic-composition magmas tend to erupt explosively, readily forming pumice and volcanic ash. Composed of light-colored rocks (for example, rhyolite, dacite, trachyte, latite). GeMS Fine-grained intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at shallow depth beneath Earths surface, thereby cooling quickly. Generally fine grained but may contain large mineral crystals (phenocrysts). Mostly found as tabular dikes or sills. GeMS Schist and gneiss, of sedimentary-rock origin Foliated rock derived from preexisting sedimentary rocks by essentially solid-state mineralogical, chemical, or structural changes in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Includes schist (characterized by such strong foliation or alignment of minerals that it readily splits into flakes or slabs) and gneiss (characterized by alternating, irregular bands of different mineral composition). Mostly formed from fine-grained material such as mudstone. GeMS Rock Various rock types, not differentiated. GeMS Glacial till, mostly clayey Mostly unsorted and unstratified material, generally unconsolidated, deposited directly by and underneath or adjacent to glacier without subsequent reworking by meltwater. Consists of heterogeneous mixture of clay, silt, sand, gravel, and boulders, ranging widely in size and shape. Relatively clayey in texture. GeMS Meta-carbonate rock Rock derived from preexisting carbonate sedimentary rocks and altered by essentially solid-state mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Characterized by recrystallization of carbonate minerals in source rock. Includes marble (for which preexisting rock was dominantly limestone or other rock composed of calcite), dolomitic marble, meta-dolostone, and meta-dolomite (for which preexisting rock contained appreciable amount of magnesium). GeMS Dolomite Carbonate sedimentary rock, consisting chiefly of dolomite. Although dolostone is the proper analog to limestone, it has not often been applied to dolomitic units. GeMS Coal and lignite Organic-rich sedimentary rock, formed from compaction and alteration of plant remains. Coal is consolidated, harder, black rock. Lignite is semiconsolidated, brown to black, earthy material that may contain large particles of recognizable plant parts and tends to crack upon drying. GeMS Mostly mudstone Mostly mudstone, interbedded with other sedimentary rocks that locally may include coarser grained clastic rocks (sandstone, conglomerate), carbonates, and (or) coal. GeMS Volcanic mass flow Volcanic deposits formed by mass movement (for example, debris avalanches, debris flows, lahar deposits), in many cases triggered by volcanic eruption. Debris avalanches that occur on volcanoes clearly without eruptive trigger may be classified as sedimentary (for example, as Debris flows, landslides, and other localized mass-movement sediment). GeMS Fine-grained, felsic-composition intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at shallow depth beneath Earths surface, thereby cooling quickly. Generally fine grained but may contain large mineral crystals (phenocrysts). Mostly found as tabular dikes or sills. Composed mostly of light-colored minerals. Includes rhyolitic, dacitic, trachytic, and latitic rock. GeMS Metamorphic rock Rock derived from preexisting rocks and altered by essentially solid-state mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. GeMS Mudstone Sedimentary rock, composed predominantly of particles or clasts derived by erosion and weathering of preexisting rock; consists mostly of mud (that is, silt- and clay-sized particles). Includes shale and siltstone. GeMS Colluvium and other widespread mass-movement sediment Sediment formed by slow, relatively widespread, downslope transport of particles or clasts produced by weathering and breakdown of underlying rock, sediment, and (or) soil. Composed of poorly sorted and poorly stratified material that ranges in size from clay to boulders. GeMS Ultramafic intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at some depth beneath Earths surface, thereby cooling slowly enough for mineral crystals to grow large enough to be visible to naked eye. Composed almost entirely of mafic minerals (for example, hypersthene, augite, olivine). GeMS Alluvial sediment, mostly coarse-grained Unconsolidated material deposited by streams or other bodies of running water as sorted or semisorted sediment in streambed, or on its floodplain or delta, or as cone or fan at base of mountain slope. Sediment is mostly sand, gravel, and coarser material but may also contain some silt and clay. GeMS Fine-grained, mafic-composition intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at shallow depth beneath Earths surface, thereby cooling quickly. Generally fine grained but may contain large mineral crystals (phenocrysts). Mostly found as tabular dikes or sills. Composed mostly of dark-colored minerals. Includes basaltic rock. GeMS Coarse-grained intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at some depth beneath Earths surface, thereby cooling slowly enough for mineral crystals to grow large enough to be visible to naked eye. GeMS Mostly sandstone Mostly sandstone, interbedded with other sedimentary rocks that locally may include conglomerate and finer grained clastic rocks (mudstone), carbonates, and (or) coal. GeMS Limestone Carbonate sedimentary rock, consisting chiefly of calcite. GeMS Carbonate rock Sedimentary rock, consisting chiefly of carbonate minerals such as limestone or dolomite. GeMS Sandstone Sedimentary rock, composed predominantly of particles or clasts derived by erosion and weathering of preexisting rock; consists mostly of sand-sized particles, with or without fine-grained matrix of silt or clay. GeMS Air-fall tephra Fragments of volcanic rock and lava, of various sizes, carried into air by explosions and by hot gases in eruption columns or lava fountains; known as tephra. As tephra falls to ground, with increasing distance from volcano, average size of individual rock particles and thickness of resulting deposit decrease. Fine tephra deposited at some distance from volcano is known as volcanic ash. GeMS Coastal zone sediment Mud and sand, with lesser amounts of gravel, deposited on beaches, on barrier islands, or in nearshore-marine, deltaic, or various low-energy shoreline (mud flat, tidal flat, sabka, algal flat) environments. GeMS Glacial till Mostly unsorted and unstratified material, generally unconsolidated, deposited directly by and underneath or adjacent to glacier without subsequent reworking by meltwater. Consists of heterogeneous mixture of clay, silt, sand, gravel, and boulders, ranging widely in size and shape. GeMS Debris flows, landslides, and other localized mass-movement sediment Sediment formed by relatively localized, downslope transport of particles or clasts produced by weathering and breakdown of underlying rock, sediment, and (or) soil. Composed of poorly sorted and poorly stratified material that ranges in size from clay to boulders. Speed of downslope transport ranges from rapid to imperceptible. GeMS Intermediate-composition lava flows Lateral, surficial outpourings of molten lava from vent or fissure; also, solidified bodies of rock that form when they cool. Parental magma commonly erupts from stratovolcanoes as thick lava flows. Includes rocks that are, in color and in mineral composition, intermediate between felsic and mafic rocks (for example, andesite). GeMS Sandstone and mudstone Sandstone and mudstone (including shale and siltstone), in approximately equal (or unspecified) proportions. GeMS Marine sediment, mostly fine-grained Mostly clay- and silt-sized sediment, deposited in relatively deep, quiet water, far removed from areas where coarser grained clastic sediments are washed into marine environment. Includes sediment derived from marine organisms. GeMS Exotic-composition intrusive igneous rock Rock that solidified from molten or partly molten material (magma) below Earths surface that has exotic mineralogical, textural, or field setting characteristics. Typically dark colored with abundant phenocrysts. Includes kimberlite, lamprophyre, lamproite, and foiditic rocks. GeMS Igneous rock Rock and fragmental material that solidified from molten or partly molten material (magma). GeMS Igneous and metamorphic rock Consists of coarse-grained intrusive igneous rock and generally medium- to high-grade metamorphic rock. GeMS Dune sand Mostly sand-sized sediment, deposited by wind. Typically characterized by various dune landforms. GeMS "Made" or human-engineered land Modern, unconsolidated material known to have human-related origin. GeMS Silt and clay of unspecified origin Sediment composed mostly of silt and (or) clay, formed by weathering and erosion of preexisting rocks or minerals; eroded particles or clasts are transported and deposited by gravity, air, water, or ice. GeMS Mafic-composition pyroclastic flows Hot ash, pumice, and rock fragments erupted from volcano. Material moves downslope commonly in chaotic flows; once deposited, hot fragments may compact under their own weight and weld together. Because of their low silica content and resulting low viscosity, parental magmas tend to erupt gently as lava flows rather than more forcefully as pyroclastic flows. Includes basalt; rocks are commonly dark-colored. GeMS Regional metamorphic rock, of unspecified origin Rock derived from preexisting rocks and altered by essentially solid-state mineralogical, chemical, or structural changes, in response to marked regional changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Origin of preexisting rock is mixed (for example, igneous and sedimentary) or is not known. GeMS Deformation-related metamorphic rock Rock derived from preexisting rocks by essentially solid-state mineralogical, chemical, or structural changes in response to strong deformation, commonly in association with marked changes in temperature, pressure, and (or) chemical environment. Generally forms in narrow, planar zones of local deformation (for example, along faults); characterized by foliation or alignment of mineral grains. Includes mylonite and cataclasite. GeMS Meta-volcaniclastic rock Rock derived from preexisting volcaniclastic rocks by essentially solid-state, mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Composed of deformed but recognizable particles or clasts of volcanic explosive material. GeMS Pyroclastic flows Hot ash, pumice, and rock fragments erupted from volcano or caldera. Material moves downslope commonly in chaotic flows; once deposited, hot fragments may compact under their own weight and weld together. GeMS Coarse-grained, intermediate-composition intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at some depth beneath Earths surface, thereby cooling slowly enough for mineral crystals to grow large enough to be visible to naked eye. Intermediate in color and in mineral composition (between felsic and mafic igneous rock). Includes dioritic rock. GeMS Coastal zone sediment, mostly coarse-grained Mostly sand, silt, and gravel, deposited on beaches, in dunes, and in shallow-marine and related alluvial environments. GeMS Lacustrine sediment, mostly fine-grained Mostly well-sorted and well-bedded material, generally silt and clay sized, with lesser amounts of sand, deposited in perennial to intermittent lakes. GeMS Coarse-grained, felsic-composition intrusive igneous rock Rock that solidified from molten or partly molten material (magma) at some depth beneath Earths surface, thereby cooling slowly enough for mineral crystals to grow large enough to be visible to naked eye. Composed mostly of light-colored minerals (for example, feldspar, quartz). Includes granitic, syenitic, and monzonitic rock. GeMS Ice-contact and ice-marginal sediment, mostly fine-grained Mostly silt- and clay-sized particles or clasts, with lesser amounts of sand and gravel, derived from rock or preexisting sediment that has been eroded and transported by glaciers. As glacier melted, material was deposited by running water essentially in contact with glacial ice or was transported and deposited by glacially fed streams. Includes sediment deposited into water bodies adjacent to glacier. GeMS Intermediate-composition pyroclastic flows Hot ash, pumice, and rock fragments erupted from volcano. Material moves downslope commonly in chaotic flows; once deposited, hot fragments may compact under their own weight and weld together. Parental magma commonly erupts from stratovolcanoes as thick lava flows but also can generate strong explosive eruptions to form pyroclastic flows. Includes rocks that are, in color and mineral composition, intermediate between felsic and mafic rocks (for example, andesite). GeMS Unmapped area Unmapped area GeMS Mostly carbonate rock Mostly carbonate rock, interbedded with other sedimentary rock types. GeMS Mafic-composition lava flows Lateral, surficial outpourings of molten lava from vent or fissure; also, solidified bodies of rock that form when they cool. Low-silica parental magmas have low viscosity and tend to form extensive sheets that have generally low relief. Includes basaltic shield volcanoes, which may become very large (for example, in Hawaii). Composed of fine-grained, dark rocks, including basaltic. GeMS Ice-contact and ice-marginal sediment Mostly sand-, silt-, and gravel-sized particles or clasts derived from rock or preexisting sediment that has been eroded and transported by glaciers. As glacier melted, material was deposited by running water essentially in contact with glacial ice or was transported and deposited by glacially fed streams. Includes sediment deposited into water bodies adjacent to glacier. GeMS Glacial till, mostly sandy Mostly unsorted and unstratified material, generally unconsolidated, deposited directly by and underneath or adjacent to glacier without subsequent reworking by meltwater. Consists of heterogeneous mixture of clay, silt, sand, gravel, and boulders, ranging widely in size and shape. Relatively sandy in texture. GeMS Alluvial sediment, mostly fine-grained Unconsolidated material deposited by streams or other bodies of running water as sorted or semisorted sediment in streambed, or on its floodplain or delta, or as cone or fan at base of mountain slope. Sediment is mostly silt and clay but may also contain some sand and gravel. GeMS Playa sediment Fine-grained clastic sediment and evaporitic salts, deposited in ephemeral lakes in centers of undrained basins. Includes material deposited in playas, mud flats, salt flats, and adjacent saline marshes. Generally interbedded with eolian sand and with lacustrine sediment deposited during wetter climatic periods; commonly intertongues upslope with sediment deposited by alluvial fans. GeMS Coastal zone sediment, mostly fine-grained Mostly clay and silt, deposited in lagoons, tidal flats, backbarriers, and coastal marshes. GeMS Peat and muck Unconsolidated material, principally composed of plant remains, with lesser amounts of fine-grained clastic sediment. Deposited in water-saturated environment such as swamp, marsh, or bog. With lithification, such material becomes coal. GeMS Extrusive igneous material Molten material that was erupted onto Earths surface, fusing into rock or remaining as unconsolidated particles. Includes pyroclastic flows, air-fall tephra, lava flows, and volcanic mass flows. GeMS Lava flows Lateral, surficial outpourings of molten lava from vent or fissure; also, solidified bodies of rock that form when they cool. Composed generally of fine-grained, dark-colored rocks (for example, basalt), which tend to form extensive sheets that have generally low relief, except in vent areas where cinder cones or shield volcanoes may form. Includes basaltic shield volcanoes, which may become very large (for example, Hawaii). GeMS Felsic-composition pyroclastic flows Hot ash, pumice, and rock fragments erupted from volcano or caldera. Material moves downslope commonly in chaotic flows; once deposited, hot fragments may compact under their own weight and weld together. Because of their high-silica content and resulting high viscosity, parental magmas tend to erupt explosively. Includes rhyolite, dacite, trachyte, latite; rocks are commonly light-colored. GeMS Medium and high-grade regional metamorphic rock, of unspecified origin Rock derived from preexisting rocks and altered by essentially solid-state mineralogical, chemical, or structural changes, in response to relatively intense regional changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Origin of preexisting rock is mixed (for example, igneous and sedimentary) or is not known. Includes amphibolite, granulite, schist, and gneiss. GeMS Sedimentary rock Consolidated material (rock) composed of particles transported and deposited by gravity, air, water, or ice, or accumulated by other natural agents operating at Earths surface, such as chemical precipitation or secretion by organisms. Does not here include sedimentary material directly deposited as result of volcanic activity. GeMS Iron-rich sedimentary rock Sedimentary rock, in which at least half (by volume) of observed minerals are iron bearing (hematite, magnetite, limonite group minerals, siderite, iron sulfides). GeMS Sedimentary and extrusive igneous material Either (1) sedimentary rock and (or) unconsolidated material (sediment) and extrusive igneous material (volcanic rock and [or] sediment) or (2) volcanic rock and (or) sediment and such material after erosion and redeposition. GeMS Other materials Other materials GeMS Lacustrine sediment, mostly coarse-grained Mostly well-sorted and well-bedded material, generally sand and gravel sized, with lesser amounts of silt and clay, deposited in perennial to intermittent lakes. Much of sediment is derived from material eroded and transported by streams. Mostly deposits of lake-marginal beaches and deltas. GeMS Evaporitic rock Sedimentary rock, composed primarily of minerals produced by evaporation of saline solution. Examples include gypsum, anhydrite, other diverse sulfates, halite (rock salt), primary dolomite, and rocks composed of various nitrates and borates. GeMS Ice-contact and ice-marginal sediment, mostly coarse-grained Mostly sand- and gravel-sized particles or clasts, with lesser amounts of silt and clay, derived from rock or preexisting sediment that has been eroded and transported by glaciers. As glacier melted, material was deposited by running water essentially in contact with glacial ice or was transported and deposited by glacially fed streams. Includes sediment deposited into water bodies adjacent to glacier. GeMS Meta-mafic rock Rock derived from preexisting mafic rocks by essentially solid-state, mineralogical, chemical, or structural changes, in response to marked changes in temperature, pressure, deformation, and (or) chemical environment, generally at depth in Earths crust. Composed mostly of iron- and magnesium-bearing, dark-colored and (or) green minerals. Includes greenstone, amphibolite, and metagabbro. GeMS Intermediate-composition air-fall tephra Fragments of volcanic rock and lava, of various sizes, carried into the air by explosions and by hot gases in eruption columns or lava fountains; known as tephra. As tephra falls to ground, with increasing distance from volcano, average size of individual rock particles and thickness of resulting deposit decrease. Parental magma commonly erupts from stratovolcanoes as thick lava flows but also can generate strong explosive eruptions to form pyroclastic flows. Includes rocks that are, in color and mineral composition, intermediate between felsic and mafic rocks (for example, andesite). GeMS Eolian sediment Silt- and sand-sized sediment, deposited by wind. GeMS IndentedName Name with addition of leading spaces to help show rank within a hierarchical list. GeMS Examples of values: "--Sediment" and "------Silt and clay of unspecified origin" Definition Plain-language definition of GeoMaterial name GeMS Example of values: "Unconsolidated material (sediment) composed of particles deposited by gravity, air, water, or ice, or as accumulated by other natural agents operating at Earths surface such as chemical precipitation or secretion by organisms. Does not include sedimentary material directly deposited as a result of volcanic activity." and "Sediment composed mostly of silt and (or) clay, formed by weathering and erosion of preexisting rocks or minerals; eroded particles or clasts are transported and deposited by gravity, air, water, or ice." MapUnitPolys Polygons that record distribution of map units (including water, snowfields, glaciers, and unmapped area) on the particular map horizon. In the original file geodatabase, this dataset is found within the GeologicMap feature dataset. GeMS OBJECTID Internal feature number ESRI sequential integer values ShapeInternal geometry objectESRI Polygon Geometry type is a polygon ESRI Shape_Length Internal feature length, double ESRI 201.843879 488137.450286 Meters 0.0001 Shape_Area Internal feature area, double ESRI 20.406581 2238260800.278669 Square Meters 0.0001 MapUnitShort plain-text identifier of the map unit. Foreign key to DescriptionOfMapUnits table.GeMS Sw Wabash Formation of the Bainbridge or Salina Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Dm Muscatatuck Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Pm Mansfield Formation of the Raccoon Creek Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Mnp New Providence Shale of the Borden Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Mwb West Baden Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Ms Sanders Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Mske Edwardsville and Spickert Knob Formations of the Borden Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 DMnar Rockford Limestone and New Albany Shale undifferentiated of the Muscatatuck Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Mbr Blue River Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 Spm Pleasant Mills Formation of the Bainbridge of Salina Group Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 IdentityConfidenceConfidence that feature is correctly identified.GeMS certain Identity of a feature can be determined using relevant observations and scientific judgment; therefore, one can be reasonably confident in the credibility of this interpretation. Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates. Label Plain-text equivalent of the desired annotation for a feature: for example "14 Ma", or "^c" which (when used with the FGDC GeoAge font) results in the geologic map-unit label TRc (with TR run together to make the Triassic symbol). GeMS Values of <null> or #null indicate no entry. Example of values: "P*m" Symbol Reference to a point marker, line symbol, or area-fill symbol that is used on the map graphic to denote the feature: perhaps a star for a K-Ar age locality, or a heavy black line for a fault. GeMS Values of <null> or #null indicate no entry. Example of values: "PPm" DataSourceIDSource of data; foreign key to table DataSources.GeMS DAS1 Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 This report Notes Additional information specific to a particular feature or table entry. GeMS Free text. Values of <null> or #null indicate no entry. MapUnitPolys_ID Primary key. GeMS Arbitrary string. Values should be unique within this database. Example of Values: "MUP01" ContactsAndFaults Contacts between map units, faults that bound map units, and associated dangling faults. Includes concealed faults and contacts, waterlines, snowfield and glacier boundaries, and map boundary. In the original file geodatabase, this dataset is found within the GeologicMap feature dataset. GeMS OBJECTID Internal feature number ESRI sequential integer values ShapeInternal geometry objectESRI Polyline Geometry type is a line ESRI Shape_Length Internal feature length, double ESRI 0.100588 201382.62737 Meters 0.0001 TypeClassifier that specifies what kind of geologic feature is represented by a database element: that a certain line within feature class ContactsAndFaults is a contact, or thrust fault, or water boundary; or that a point in GeochronPoints represents a K-Ar date.GeMS fault Planar surface of rupture along which geologic units have been fractured and then displaced Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates. map boundary Polyline showing mapping extent. Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 contact Plane or irregular surface between two types or ages of rock; outcrop of this plane on the mapped surface is a line. Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates. IsConcealedFlag for contacts and faults covered by overlying map unit.GeMS N No GeMS Y Yes GeMS LocationConfidenceMeters Estimated half-width in meters of positional uncertainty envelope; position is relative to other features in database. GeMS Positive real number. Value of -9, -99, or -999 indicates value is unknown. ExistenceConfidenceConfidence that feature exists.GeMS certain Identity of a feature can be determined using relevant observations and scientific judgment; therefore, one can be reasonably confident in the credibility of this interpretation. Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates. IdentityConfidenceConfidence that feature is correctly identified.GeMS certain Identity of a feature can be determined using relevant observations and scientific judgment; therefore, one can be reasonably confident in the credibility of this interpretation. Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates. Label Plain-text equivalent of the desired annotation for a feature: for example "14 Ma", or "^c" which (when used with the FGDC GeoAge font) results in the geologic map-unit label TRc (with TR run together to make the Triassic symbol). GeMS Free text. Values of <null> or #null indicate no entry. Can be used to to store fault or other easily understood name for line feature. Allows for special fonts to show geologic age symbols. Null values are typical Symbol Reference to a point marker, line symbol, or area-fill symbol that is used on the map graphic to denote the feature: perhaps a star for a K-Ar age locality, or a heavy black line for a fault. GeMS Numbers correspond to FGDC symbolization or a MapUnit. These values also correspond to the supplied Style file. Examples of values: "1.1.1" and "2.2.1" DataSourceIDSource of data; foreign key to table DataSources.GeMS DAS1 Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 This report Notes Additional information specific to a particular feature or table entry. GeMS Free text. Values of <null> or #null indicate no entry. ContactsAndFaults_ID Primary key. GeMS Arbitrary string. Values should be unique within this database. Example of Values: "CAF179" IsoValueLines Lines that represent structure contours, concentration isopleths, and other lines that share properties of: (A) Having an associated value (e.g., elevation, concentration) that is a real number. (B ) Having a definable uncertainty in their location. (C) Describing an idealized surface that need not be shown as concealed beneath covering map units. In the original file geodatabase, this dataset is found within the GeologicMap feature dataset. GeMS OBJECTID Internal feature number ESRI sequential integer values ShapeInternal geometry objectESRI Polyline Geometry type is a line ESRI Shape_Length Internal feature length, double ESRI 2268.634303 69498.781459 Meters 0.0001 TypeClassifier that specifies what kind of geologic feature is represented by a database element: that a certain line within feature class ContactsAndFaults is a contact, or thrust fault, or water boundary; or that a point in GeochronPoints represents a K-Ar date.GeMS structure contour, 1st surface Showing altitude of top or base of, or hori-zon within, stratigraphic unit, aquifer, or confining bed—Accurately located Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates. structure contour, 2nd surface Showing altitude of top or base of, or hori-zon within, stratigraphic unit, aquifer, or confining bed—Accurately located Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number FGDC-STD-013-2006, 290 p., 2 plates. Value Numeric value (e.g., elevation, concentration) associated with an isovalue (contour, isopleth) line. Units identified in feature TYPE definition. GeMS Structure contour value. 50 ft intervals ValueConfidence Estimated half-width of uncertainty in numeric value (e.g., elevation, concentration) associated with an isovalue line. Units identified in feature TYPE definition. -9 indicates value is not available. GeMS Positive real number. Value of -9, -99, or -999 indicates value is unknown. Symbol Reference to a point marker, line symbol, or area-fill symbol that is used on the map graphic to denote the feature: perhaps a star for a K-Ar age locality, or a heavy black line for a fault. GeMS Examples of values: "11.13" and "11.23" These numbers coorespond to the Reference numbers in "FGDC Digital Cartographic Standard for Geologic Map Symbolization (PostScript Implementation)", Appendix A. Label Plain-text equivalent of the desired annotation for a feature: for example "14 Ma", or "^c" which (when used with the FGDC GeoAge font) results in the geologic map-unit label TRc (with TR run together to make the Triassic symbol). GeMS Examples of values: "350" and "400" DataSourceIDSource of data; foreign key to table DataSources.GeMS DAS1 Hasenmueller, W. A., James, C. L. 2003, Bedrock geologic map of the Indianapolis 30 X 60 minute quadrangle, central Indiana: Indiana Geological Survey Open-File Study 03-07 This report Notes Additional information specific to a particular feature or table entry. GeMS Free text. Values of <null> or #null indicate no entry. IsoValueLines_ID Primary key. GeMS Arbitrary string. Values should be unique within this database. Example of values: "IVL23" MapInformation Miscellaneous information detailing information in map margins Producer Defined OBJECTID Internal Feature Number ESRI sequential integer values MapProperty Plain-text description for map layout items. Producer Defined Free text. Values of <null> or #null indicate no entry. Example of values: "address" and "mapArea" MapPropertyValue Additional information describing MapProperty values. Producer Defined Free text. Values of <null> or #null indicate no entry. Example of values: "igwsinfo@indiana.edu" and "Bedrock Geologic Map of the Indianapolis 30 x 60 Minute Quadrangle, Central Indiana" MapInformation_ID Primary key. Producer Defined Arbitrary string. Values should be unique within this database. Example of values: "X1X01" The ESRI file geodatabase (Indianapolis_BG_100k.gdb) ---------------------------------------- *****Geodatabase is compliant with and follows schema and structure of GeMS [https://ngmdb.usgs.gov/Info/standards/GeMS/]. Not all components of the GeMS data model are utilized in this database. Only components used in construction of this database are explained in the following section.***** ----------------------------------------- FEATURE DATASET: GeologicMap ---------------------------------------- FEATURE CLASS: ContactsAndFaults [Line Feature] DESCRIPTION OF FIELDS: Type: Term that specifies what line represents IsConcealed: Indicates if feature is concealed LocationConfidenceMeters: Distance representing feature locational certainty, in meters from either side of feature ExistenceConfidence: Qualitative value representing certainty in existence of feature IdentityConfidence: Qualitative value representing certainty in identification of feature Label: Human readable name for a line feature Symbol: When used, indicates color and/or pattern used to symbolize polyline DataSourceID: Foreign key that relates to the DataSource_ID field in "DataSources_SMPtC" table Notes: Free text with additional information specific to feature ContactAndFaults_ID: Primary key. Unique feature identifier (CAF*) Description: Cartographic description of feature based on FGDC cartographic standards (https://pubs.usgs.gov/tm/2006/11A02/) ---------------------------------------- FEATURE CLASS: IsoValueLines [Line Feature] DESCRIPTION OF FIELDS: Type: Term that specifies what line represents Value: Specifies measured value that pertains to this line feature ValueConfidence: Number representing certainty of feature value Symbol: When used, indicates color and/or pattern used to symbolize polyline Label: Description of text label for this line feature DataSourceID: Foreign key that relates to the DataSource_ID field in DataSources Table Notes: Free text with additional information (optional field) IsoValueLines_ID: Primary key. Unique feature identifier (IVL*) ---------------------------------------- FEATURE CLASS: MapUnitPolys [Polygon Feature] DESCRIPTION OF FIELDS: MapUnit: Map unit symbol; a short plain-text key (identifier) for the map unit. IdentityConfidence: Indicates confidence in which the polygon has been identified as a particular map unit Label: Descriptive text label for the geologic map unit Symbol: When used, indicates color and/or pattern used to symbolize polygon DataSourceID: Foreign key that relates to the DataSource_ID field in DataSources table Notes: Free text with additional information specific to feature (optional field) MapUnitPolygons_ID: Primary key. Unique feature identifier (MUP*) ---------------------------------------- NON-SPATIAL TABLE: DataSources DESCRIPTION OF FIELDS Source: Description of source Notes: Description of how source was used or acquired URL: URL link to data (at time of publication), if available DataSource_ID: Primary key. Unique to each data entry (DAS*) FullCitation: complete citation of publication ---------------------------------------- NON-SPATIAL TABLE: Glossary Term: Geologic concept, feature, phenomenon, or other terminology being defined Definition: Definition of value Term DefinitionSourceID: Foreign key to "DataSources" non-spatial table Glossary_ID: Primary key. Unique to each data entry (GLO*) ---------------------------------------- NON-SPATIAL TABLE: DescriptionOfMapUnits DESCRIPTION OF FIELDS: MapUnit: Map unit symbol Name: Short unit name FullName: Full unit name that may include member/formation/group associations Age: Period or Epoch of unit consist with USGS time scale Description Text description of map unit, abstracted from full text description in map pamphlet HierarchyKey: String of dash-delimited numeric values that illustrate the hierarchical relationship between units GeoMaterial: Term categorizing the dominant lithology in the map feature. Term derived from NGMDB standard term list (see APPENDIX A. TERMS FOR GEOMATERIAL AND GEOMATERIALCONFIDENCE in GeMS data model https://ngmdb.usgs.gov/Info/standards/GeMS/ GeoMaterialConfidence: Qualitative term describing appropriateness of the GeoMaterial term used DescriptionOfMapUnits_ID: Primary key. Unique to each data entry (DMU*) ---------------------------------------- NON_SPATIAL TABLE GeoMaterialDict: DESCRIPTION OF FIELDS: HierarchyKey: Text string that indicates hieracrchy of entries within list of GeoMaterial terms GeoMaterial: Name of GeoMaterial unit IndentedName: GeoMaterial name with indentation that corresponds to rank of entry within hierarchy Definition: Definition of GeoMaterial name Geologic map database utilizes the "GeMS" (Geologic Map Schema) database format developed and maintained by the USGS National Geologic Mapping Program. Description of the model can be viewed at https://ngmdb.usgs.gov/Info/standards/GeMS/ Indiana Geological and Water Survey Publication Sales Clerk mailing and physical

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