| State | Maine |
|---|---|
| Name | Devonian gabbro - ultramafic rocks |
| Geologic age | Devonian |
| Lithologic constituents | Major
Igneous > Plutonic > Gabbroic > GabbroU - Unmetamorphosed
Igneous > Plutonic > UltramaficU - Unmetamorphosed
|
| Comments | U - Unmetamorphosed |
| Stratigraphic units | includes plutons: 37 - Sugarloaf (ME089); 44 - Plumbago. |
| 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.Zartman, R.E., Hurley, P.M., Kruger, H.W., and Giletti, B.J., 1970, A Permian disturbance of K-Ar radiometric ages in New England: its occurrence and causes: Geol. Soc. Amer., Bull., v. 81, p. 3359-3374. |
| NGMDB product | |
| Counties | Franklin - Oxford - Somerset |