| 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 | |
| Counties | Becker - Beltrami - Cass - Clay - Clearwater - Douglas - Grant - Hubbard - Itasca - Kittson - Koochiching - Lake of the Woods - Marshall - Morrison - Otter Tail - Pennington - Polk - Red Lake - Roseau - Saint Louis - Stevens - Todd - Traverse - Wilkin |