| State | Maine |
|---|---|
| Name | Ordovician - Precambrian Z Ellsworth formation |
| Geologic age | Ordovician - Precambrian Z |
| Lithologic constituents | Major
Metamorphic > Metasedimentary > Metaclastic > Phyllite (Greenschist, Amphibolite)GS - Greenschist facies; AA - Low rank amphibolite facies; Protolith Q - Interbedded pelite and sandstone
Sedimentary > Clastic > Siltstone (Bed)GS - Greenschist facies; AA - Low rank amphibolite facies; Protolith Q - Interbedded pelite and sandstone
|
| Comments | AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; Protolith N - Limestone and/or dolostone |
| 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.Rankin, D.W. (editor), Chiarenzelli, J.R., Drake, A.A., Jr., Goldsmith, Richard, Hall, L.M., Hinze, W.J., Isachsen, Y.W., Lidiak, E.G., McLelland, James, Mosher, Sharon, Ratcliffe, N.M., Secor, D.T., Jr. and Whitney, P.R., 1993, Proterozoic rocks east and southeast of the Grenville Front, IN Reed, J.C., Jr., and others, eds., Precambrian; conterminous U.S.: Geological Society of America, The Geology of North America, The Decade of North American Geology (DNAG), v. C-2, p. 335-461.US Geological Survey, 2005, National Geologic Map Database, Geologic Names Lexicon "GEOLEX", http://ngmdb.usgs.gov/Geolex/. |
| NGMDB product | |
| Counties | Hancock - Knox - Waldo |