1. Geochemistry and stratigraphic relations of Middle Proterozoic rocks of the New Jersey Highlands Author/Creator: Volkert, Richard A. Publication/Creation: Reston, Va. : U.S. Geological Survey ; Denver, CO : For sale by USGS Information Services, 1999 Resource Type: Book Access & Availability: Loading
2. Geology, geochemistry, and tectonostratigraphic relations of the crystalline basement beneath the coastal plain of New Jersey and contiguous areas Author/Creator: Volkert, Richard A. Publication/Creation: Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1996 Resource Type: Book Access & Availability: Loading
3. Late Proterozoic diabase dikes of the New Jersey Highlands : a remnant of Iapetan rifting in the north-central Appalachians Author/Creator: Volkert, Richard A. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1995 Resource Type: Book Access & Availability: Loading