Quartz-Oligoclase Gneiss (NJYlo;11)

State	New Jersey
Name	Quartz-Oligoclase Gneiss
Geologic age	Middle Proterozoic
Lithologic constituents	Major Metamorphic > GneissWhite-weathering, light-greenish-gray, medium- to coarse-grained, moderately layered to indistinctly foliated gneiss. Minor Metamorphic > Amphibolite Metamorphic > Granoblastic > Granofelslesser amounts of granofels composed of quartz, oligoclase or andesine, and, locally, biotite, hornblende and (or) clinopyroxene
Comments	Losee Metamorphic Suite (Middle Proterozoic) (Drake, 1984)
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. Drake, Avery A. Jr.,Volkert, Richard, A., Monteverde, Donald H., Herman, Gregory C., Houghton,Hugh F., Parker, Ronald A., and Dalton, Richard F., 1996, Bedrock Geologic Map of Northern New Jersey: U.S. Geological Survey Miscellanenous Investigations Map I-2540-A, 4 cross sections, 2 sheets, size 56x40; 58x41, scale 1:100.000. https://pubs.er.usgs.gov/publication/i2540A Drake, A.A., Jr., 1984, The Reading Prong of New Jersey and eastern Pennsylvania; an appraisal of the rock relations and chemistry of a major Proterozoic terrane in the Appalachians, in Bartholomew, M.J., ed., The Grenville event in the Appalachians and related topics: Geological Society of America Special Paper 194, p. 75-109.
NGMDB product	NGMDB product page for 19458 NGMDB product page for 13025
Counties	Bergen - Hunterdon - Morris - Passaic - Somerset - Sussex - Warren

State

Name

Quartz-Oligoclase Gneiss

Geologic age

Middle Proterozoic

Lithologic constituents

Major

Metamorphic > GneissWhite-weathering, light-greenish-gray, medium- to coarse-grained, moderately layered to indistinctly foliated gneiss.

Minor

Metamorphic > Amphibolite

Metamorphic > Granoblastic > Granofelslesser amounts of granofels composed of quartz, oligoclase or andesine, and, locally, biotite, hornblende and (or) clinopyroxene

Comments

Losee Metamorphic Suite (Middle Proterozoic) (Drake, 1984)

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.

Drake, Avery A. Jr.,Volkert, Richard, A., Monteverde, Donald H., Herman, Gregory C., Houghton,Hugh F., Parker, Ronald A., and Dalton, Richard F., 1996, Bedrock Geologic Map of Northern New Jersey: U.S. Geological Survey Miscellanenous Investigations Map I-2540-A, 4 cross sections, 2 sheets, size 56x40; 58x41, scale 1:100.000.

https://pubs.er.usgs.gov/publication/i2540A

Drake, A.A., Jr., 1984, The Reading Prong of New Jersey and eastern Pennsylvania; an appraisal of the rock relations and chemistry of a major Proterozoic terrane in the Appalachians, in Bartholomew, M.J., ed., The Grenville event in the Appalachians and related topics: Geological Society of America Special Paper 194, p. 75-109.

NGMDB product

NGMDB product page for 19458

NGMDB product page for 13025

Counties

Bergen - Hunterdon - Morris - Passaic - Somerset - Sussex - Warren