| State | Maine |
|---|---|
| Name | Ordovician unnamed mafic volcanic rocks |
| Geologic age | Ordovician |
| Lithologic constituents | Major
Igneous > Volcanic > Mafic-volcanicGS - Greenschist facies; AB - Medium rank amphibolite facies; Protolith V - Basaltic volcanic rocks
|
| Comments | GS - Greenschist facies; Protolith C - Sulfidic/carbonaceous pelite |
| 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 | Aroostook - Knox - Oxford - Washington |