Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Hemlock Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Paleoproterozoic | |
| ....Hemlock Formation | |
| RT | Wisconsin |
| Michigan | |
| Baraga Group | |
| SN | In Baraga Group. Paleoproterozoic. N Michigan and N Wisconsin. Before 1989, was sometimes used for Hemlock Conglomerate in Alaska. Added to Thesaurus in 1989. |