| State | Minnesota |
|---|---|
| Name | Gabbro, pyroxenite, diorite, and lamprophyre |
| Geologic age | Paleoproterozoic |
| Lithologic constituents |
Major
Igneous > Plutonic > Gabbroic > Gabbro (Batholith)
Igneous > Plutonic > Dioritic > Diorite (Batholith)
Igneous > Plutonic > Ultramafic > Pyroxenite (Batholith)
Incidental
Igneous > Hypabyssal > Lamprophyre (Batholith)
|
| 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 - Chippewa - Crow Wing - Kandiyohi - McLeod - Meeker - Mille Lacs - Morrison - Pope - Renville - Sherburne - Stearns |