Ordovician Kamankeag Formation basalt and graywacke member (MEOkmg;0)

State	Maine
Name	Ordovician Kamankeag Formation basalt and graywacke member
Geologic age	Ordovician
Original map label	Okmg
Comments	GS - Greenschist facies E - Epidote-amphibolite facies AA - Low rank amphibolite facies Protolith E - Feldspathic sandstone
Primary rock type	graywacke
Secondary rock type	basalt
Other rock types
Lithologic constituents	Major Igneous > Volcanic > Mafic-volcanic > Basalt (Bed)GS - Greenschist facies E - Epidote-amphibolite facies AA - Low rank amphibolite facies Protolith E - Feldspathic sandstone Sedimentary > Clastic > Sandstone > Graywacke (Bed)GS - Greenschist facies E - Epidote-amphibolite facies AA - Low rank amphibolite facies Protolith E - Feldspathic sandstone
Map references	Digital bedrock data downloaded from Maine Office of GIS in September 2005 from http://apollo.ogis.state.me.us/catalog/catalog.asp?state=2&extent=cover#bedrock Bedrock units table (publication date 11/15/2002) downloaded from same site. Permission to redistribute these data granted by Dr. Robert Marvinney, State Geologist of Maine, in September 2006. [http://apollo.ogis.state.me.us/catalog/catalog.asp?state=2&extent=cover#bedrock]
Unit 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.
Geographic coverage	Franklin - Oxford