State | New Jersey |
---|---|
Name | Gneiss granofels and Migmatite |
Geologic age | Middle Proterozoic |
Lithologic constituents |
Major
Metamorphic > MigmatiteMany rocks were injected by a granitoid that has blue quartz and augen of potassic feldspar and are arteritic migmatites
Incidental
Metamorphic > Metasedimentary > Metacarbonate > Marble
|
Comments | Rocks of the Trenton prong |
References | Dalton, R.F., Herman, G.C., Monteverde, D.H., Pristas, R.S., Sugarman, P.J., and Volkert, R.A., 1999, New Jersey Department of Environmental Protection, Bedrock Geology and Topographic Base Maps of New Jersey: New Jersey Geological Survey CD Series CD 00-1; ARC/INFO (v. 7.1), scale 1:100,000.Owens, James P., Sugarman, Peter J., Sohl, Norman F., Parker, Ronald A., Houghton, Hugh F., Volkert, Richard A., Drake, Avery A., Jr., and Orndorff, Randall C., 1998, Bedrock Geologic Map of Central and Southern New Jersey: U.S. Geological Survey Miscellaneous Investigations Series Map I-2540-B, 8 cross sections, 4 sheets, each size 58x41, scale 1:100,000.https://pubs.er.usgs.gov/publication/i2540B |
NGMDB product | |
Counties | Mercer |