| State | Maine |
|---|---|
| Name | Devonian Perry Formation, basalt member |
| Geologic age | Devonian |
| Lithologic constituents | Major
Igneous > Volcanic > Mafic-volcanic > BasaltU - Unmetamorphosed; Protolith V - Basaltic volcanic rocks
|
| Comments | U - Unmetamorphosed; Protolith H - Lithic sandstone and conglomerate |
| References | Osberg, P.H., Hussey, A.M., and Boone, G.M., 1985, Bedrock geologic map of Maine: Maine Geological Survey, Dept. of Conserv., scale 1:500,000. |
| NGMDB product | |
| Counties | Washington |