| State | Minnesota |
|---|---|
| Name | Mylonitic, gneissic, and schistose rocks of plutonic and volcanic protolith |
| Geologic age | Paleoproterozoic |
| Lithologic constituents | Major
Metamorphic > Schist
Metamorphic > Gneiss
Tectonite > Mylonite
|
| Comments | Part of the East-central Minnesota batholith. Part of the Geon 17 post-tectonic (post-Penokean orogeny) intrusions related to the Yavapai orogeny. |
| 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 | Benton - Isanti - Kanabec - Mille Lacs - Renville |