Lake County Highway Department, Lake Co., Indiana, USA
Latitude & Longitude (WGS84): | 41° 24' 54'' North , 87° 21' 42'' West |
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Latitude & Longitude (decimal): | 41.415, -87.3616666667 |
Commodities (Major) - Stone
Development Status: Producer
Mineral List
Regional Geology
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
Devonian 358.9 - 419.2 Ma | Antrim Shale Age: Devonian (358.9 - 419.2 Ma) Stratigraphic Name: Antrim Shale Description: Black shale; gray shale and limestone in lower part Lithology: Major:{black shale}, Minor:{shale,limestone} Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133] |
Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License