Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: geology Remove constraint geology Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Data type Polygon Remove constraint Data type: Polygon
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1. Bedrock Geology: Indiana, 2010

2010. Denver Harper (GIS compiler), Curt Ault (Data compiler), Stan Keller (Data compiler), Indiana Geological Survey, and H. H. Gray (Data compiler). BEDROCK_GEOL_MM48_IN is a polygon shapefile that shows bedrock geology of the state of Indiana at a scale of 1:500,000. The mapped stratigraphic un...

2. Bedrock Geology: Michigan

2015. State of Michigan. Michigan bedrock geology.

3. Quaternary Geology: Michigan

2015. State of Michigan. Michigan Quaternary Geology.

4. Quaternary Geology Map: Michigan

2020. State of Michigan. Digital version of Quaternary Geology maps of northern and southern Michigan.

5. Karst - Karst geology of: Ohio

2017. Ohio Department of Natural Resources (ODNR). This data is to be used to locate known and indicated karst features, and to define the probable karst terranes.

6. Michigan Geology Bedrock: Michigan

2017. Michigan Department of Natural Resources. Feature service of DNR managed minerals GIS data.

7. Surficial Geology: Wasington County, Minnesota

2016. Washington County Public Works. Shapefile of surficial geology of Washington County. Digitized from 1:100,000 scale paper version of County Atlas surficial geology map of surface ...

8. Surface Geology: Oakland County, Michigan

0. Oakland County, Michigan. This polygon feature class represents the spatial extent of surficial geology deposits, glacial and sub-glacial drainage, and historical glacial la...

9. Bedrock Geology 500K - Geologic Units: Ohio

1989. Ohio Department of Natural Resources (ODNR). This dataset contains the 1:500,000-scale bedrock geology of Ohio. The bedrock geology dataset was originally derived from the 1:24,000-scale bedro...

10. Bedrock Geology 24K - Mines Ply: Ohio

1960. Ohio Department of Natural Resources (ODNR). This dataset contains the 1:24,000-scale bedrock geology map data for Ohio. The map data were originally derived from the 1:24,000-scale bedrock-ge...

11. Bedrock Geology 24K - Units Ply: Ohio

1960. Ohio Department of Natural Resources (ODNR). This dataset contains the 1:24,000-scale bedrock geology map data for Ohio. The map data were originally derived from the 1:24,000-scale bedrock-ge...

12. Quaternary Geology 500K - Geologic Units: Ohio

2017. Ohio Department of Natural Resources (ODNR). Since the publication of the Glacial map of Ohio (Goldthwait, White, and Forsyth, 1961, U.S. Geological Survey Miscellaneous Geologic Investigation...

13. Bedrock geology of Indiana, from the Regional Geologic Map Series of the Indiana Geological Survey: Indiana, 2013

2013. N.K. Bleuer (compiler), W.J. Wayne (compiler), R.S. Nicoll (compiler), A.M. Burger (compiler), A.M. Gooding (compiler), J.L. Forsyth (compiler), H.H. Gray (compiler), G.H. Johnson (compiler), A.F. Schneider (compiler), Indiana Geological Survey, J.A. Lineback (compiler), S.J. Keller (compiler), C.E. Wier (compiler), J.R. Hill (compiler), and A.R. Gustin (digital compiler). BEDROCK_GEOL_RGM_IN is a polygon shapefile that shows the bedrock geology of the state of Indiana, produced from the Indiana Geological Survey Regi...

14. Depth to the Danville Coal Member (Dugger Formation, Pennsylvanian System), Derived from Coal Availability Investigations: Indiana, 2002

2002. Indiana Geological Survey and Carol L. Conolly. COAL_AVAILABILITY_DANVILLE_IN_DEPTH is a polygon shapefile giving depth (in feet) to the top of the Danville Coal Member in Indiana. COAL_AVAILABIL...

15. Thickness of the Danville Coal Member (Dugger Formation, Pennsylvanian System), Derived from Coal Availability Investigations: Indiana, 2002

2002. Indiana Geological Survey and Carol L. Conolly. COAL_AVAILABILITY_DANVILLE_IN_THICKNESS is a polygon shapefile giving thickness (in feet) of the Danville Coal Member in Indiana. COAL_AVAILABILITY...

16. Thickness of the Springfield Coal Member (Carbondale Formation, Pennsylvanian System), Derived from Coal Availability Investigations: Indiana, 2002

2002. Indiana Geological Survey and Carol L. Conolly. COAL_AVAILABILITY_SPRINGFIELD_IN_THICKNESS is a polygon shapefile giving thickness (in feet) of the Springfield Coal Member in Indiana. COAL_AVAILA...

17. Sand and Gravel Resource Potential in Mapped Surficial Material: Indiana, 2003

2003. Indiana Geological Survey and Christina James (digital compiler). SAND_GRAVEL_RESOURCES_IN is a polygon shapefile that identifies sand and gravel permissive tracts in the surficial unconsolidated deposits of India...

18. Bedrock Topography Contours: Indiana, 2003

2003. David A. Held (digital compiler), Indiana Geological Survey, Henry H. Gray (author, compiler), Chris Dintaman (digital compiler), and Kimberly H. Sowder (digital compiler). Bedrock topography was converted from the original published map, Indiana Geological Survey Miscellaneous Map 36. The contours define the elevation...

19. Depth to the Springfield Coal Member (Carbondale Formation, Pennsylvanian System), Derived from Coal Availability Investigations: Indiana, 2002

2002. Indiana Geological Survey and Carol L. Conolly. COAL_AVAILABILITY_SPRINGFIELD_IN_DEPTH is a polygon shapefile giving depth (in feet) to the top of the Springfield Coal Member in Indiana. COAL_AVA...

20. Driftless Areas: Illinois, 2004

1994. Illinois State Geological Survey. This is a polygon feature class containing driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface i...