Devonian Hartin Formation

Devonian Hartin Formation
State Maine
Name Devonian Hartin Formation
Geologic age Devonian
Lithologic constituents
Sedimentary > Clastic > SandstoneGS - Greenschist facies; Protolith L - Calcareous quartz sandstone
Comments Rocks previously mapped as Heald Mountain Rhyolite of Moose River Group by Boucot and Heath (1969) are here reassigned to Kineo Volcanic Member of Tomhegan Formation of Moose River Group. (ME004) Unit description from USGS GEOLEX website (ME078). GS - Greenschist facies

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 - Washington