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

Metabasalt

Alkalic basalt, greenstone, and actinolite schist. Includes metamorphosed volcanoclastic rocks and iron-rich schist.
StateSouth Dakota
NameMetabasalt
Geologic ageProterozoic | Paleoproterozoic
Original map labelXb2
Primary rock typebasalt
Secondary rock typegreenschist
Other rock types
Lithologic constituents
Major
Metamorphic > Metaigneous > Greenstone
Igneous > Volcanic > Mafic-volcanic > Basalt (Flow)
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 coverageCuster - Lawrence - Pennington

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