Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Maine
|Name||Penobscot Formation, Basalt Member|
|Geologic age||Ordovician - Cambrian|
|Original map label||OCApg|
|Comments||AA - Low rank amphibolite facies Protolith V - Basaltic volcanic rocks|
|Primary rock type||basalt|
|Secondary rock type|
|Other rock types|
Igneous > Volcanic > Mafic-volcanic > BasaltAA - Low rank amphibolite facies Protolith V - Basaltic volcanic rocks
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.
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||Knox - Waldo|
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