Volcaniclastic rocks of felsic to intermediate composition

Volcaniclastic rocks of felsic to intermediate composition.
State Minnesota
Name Volcaniclastic rocks of felsic to intermediate composition
Geologic age Neoarchean
Lithologic constituents
Major
Igneous > Volcanic > Felsic-volcanicfelsic to intermediate composition
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
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