Interlayered metavolcanic, volcaniclastic, and hypabyssal intrusive rocks

Interlayered metavolcanic, volcaniclastic, and hypabyssal intrusive rocks. Metamorphosed to amphibolite facies.
State Minnesota
Name Interlayered metavolcanic, volcaniclastic, and hypabyssal intrusive rocks
Geologic age Neoarchean
Lithologic constituents
Major
Metamorphic > Metaigneous > Metavolcanic (Amphibolite)metavolcanic and volcaniclastic
Metamorphic > Metaigneous > Metaintrusive (Amphibolite)hypabyssal intrusive rocks
Comments Part of the Supracrustal and hypabyssal intrusive rocks of the Wawa and Wabigoon subprovinces. Pre-D1 metavolcanic, metasedimentary, and hypabyssal intrusive rocks.
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 Saint Louis