Publications
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Origin and emplacement of the ultramafic rocks of the Emigrant Gap area, California
The ultramafic bodies of the Emigrant Gap area are part of a mafic complex within a large composite pluton of the northern Sierra Nevada. The pluton was magmatically emplaced and is surrounded by an aureole of hornblende-hornfels facies rocks. Inclusions of country rock in ultramafic rock are of pyroxene-hornfels facies and appear to have been partly melted. Gravity studies indicate that the ultra
Authors
O.B. James
Geology of the Valley and Ridge Province between Delaware Water Gap and Lehigh Gap, Pennsylvania
No abstract available.
Authors
Jack B. Epstein, Anita G. Epstein
Structural control of wind gaps and water gaps and of stream capture in the Stroudsburg area
No abstract available.
Authors
Jack B. Epstein
Guidebook for the Annual Field Conference of Pennsylvania Geologists: Geology in the region of the Delaware to Lehigh water gaps
No abstract available.
Authors
Jack B. Epstein, Anita G. Epstein