Knife Lake Group volcanogenic lithic sandstone, conglomerate, siltstone, graywacke, and slate

Volcanogenic lithic sandstone, conglomerate, siltstone, graywacke, and slate.
State Minnesota
Name Knife Lake Group volcanogenic lithic sandstone, conglomerate, siltstone, graywacke, and slate
Geologic age Neoarchean
Lithologic constituents
Major
Sedimentary > Clastic > Mixed-clastic > Conglomerate-sandstone (Bed)volcanogenic lithic sandstone, conglomerate
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Clastic > Sandstone > Graywacke (Bed)
Minor
Metamorphic > Metasedimentary > Metaclastic > Slate
Comments Part of the Supracrustal and hypabyssal intrusive rocks of the Wawa and Wabigoon subprovinces. Post-D1/pre-D2 alkalic volcanic and successor-basin deposits.
References

Jirsa, Mark A., Boerboom, Terrence J., Chandler, Val W., Mossler, John H., Runkel, Anthony C., and Setterholm, Dale R., 2011, S-21 Geologic Map of Minnesota-Bedrock Geology; Minnesota Geological Survey, State Map Series S-21. Scale 1:500,000.

NGMDB product
Counties Cook - Lake - Saint Louis