Geologic map of New Jersey. Click on the image to see a larger version. The sketch below outlines the physiographic provinces of NJ. >>Download a PDF file of the geologic map and a detailed explanation of the physiographic provinces. This file was produced by the NJ Geological Survey.

The diagram below shows a regional cross section through the major physiographic provinces of eastern Pennsylvania and NJ. The red line is a large normal fault, movement on which produced the Newark rift basin. The area labeled Piedmont on the cross section is mostly covered by Coastal Plain sediments in NJ. Modified from Johnson, D., 1931, Stream sculpture on the Atlantic slope: New York, Columbia University Press.