|Name||Chestnut Hill Formation|
|Geologic age||Late Proterozoic|
Metamorphic > Metasedimentary > Metaclastic > Quartziteferruginous quartzite, quartzite conglomerate
Sedimentary > Clastic > Sandstone > Arkose (Bed)
Sedimentary > Clastic > Conglomerate (Bed)quartzite conglomerate
Metamorphic > Metaigneous > Metavolcanic > Metarhyolite
|Comments||Note that there is a unit Zd (Diabase dikes) that is described in the digital description and is used on the printed map; but it is not used on the digital map. Probably because it is a line feature and the digital geology is only polygons. Unit Zd has NOT been entered here.|
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.
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.
|Counties||Hunterdon - Warren|