| State | Minnesota |
|---|---|
| Name | Sandstone, siltstone, and local conglomerate |
| Geologic age | Mesoproterozoic |
| Lithologic constituents |
Major
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Conglomerate (Bed)
|
| Comments | Part of the Keweenawan Supergroup and Midcontinent Rift Intrusive Supersuite. |
| 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 | Aitkin - Carlton - Chisago - Crow Wing - Isanti - Kanabec - McLeod - Mille Lacs - Pine - Saint Louis - Scott - Sherburne - Sibley - Wright |