| State | Minnesota |
|---|---|
| Name | Chengwatana volcanic rocks |
| Geologic age | Mesoproterozoic |
| Lithologic constituents | Major
Igneous > Volcanic > Mafic-volcanic (Flow)
|
| Comments | Part of the St. Croix horst volcanic sequences. 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 | Carlton - Chisago - Pine |