Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Maine
|Name||Devonian Heald Mountain Rhyolite dark tuff member|
|Original map label||Dhmd|
|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|
|Primary rock type||rhyolite|
|Secondary rock type|
|Other rock types|
Igneous > Volcanic > Felsic-volcanic > RhyoliteGS - Greenschist facies
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.
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