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Mineral Resources > Online Spatial Data > Geology > by state > South Dakota

Metamorphosed Shale

Gray to dark-gray phylite, slate, and mica schist. Estimated thickness at least 5,000 ft (1,524 m).
StateSouth Dakota
NameMetamorphosed Shale
Geologic ageProterozoic | Paleoproterozoic
Original map labelXsh
Primary rock typephyllite
Secondary rock typeslate
Other rock typesschist
Lithologic constituents
Major
Metamorphic > Schist
Metamorphic > Metasedimentary > Metaclastic > Slate
Metamorphic > Metasedimentary > Metaclastic > Phyllite
Map references
Martin, J. E., Sawyer, J. F., Fahrenbach, M. D., Tomhave, D. W., and Schulz, L. D., 2004, Geologic Map of South Dakota: South Dakota Geological Survey
Unit references
Martin, J. E., Sawyer, J. F., Fahrenbach, M. D., Tomhave, D. W., and Schulz, L. D., 2004, Geologic Map of South Dakota: South Dakota Geological Survey
Geographic coverageLawrence - Pennington

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