THE GRANITE PAGE
R. FORREST HOPSON
Geological Information Services
Reno, Nevada 89509
fhopson@geoinfoservices.net
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The Granite Page is intended for professional geologists whose prime interest is granitoids. It is a collection of brief descriptions based on my observations that are accompanied by photographs. Descriptions will be posted periodically. Also, links to recent papers will also be posted.

Twentynine Palms Quartz Monzonite

The origin of Morongo Valley, an extensional basin in the eastern Transverse Ranges, southern California

Recent Notable Papers

Wiebe, R.A., K.D. Blair, D.P. Hawkins, and C.P. Sabine, 2002, Mafic injections, in situ hybridization, and crystal accumulation in the Pyramid Peak granite, California: Geological Society of America, Volume 114, No. 7, p. 909­920.

Vernon, R. H. and S. R. Paterson, Igneous origin of K-feldspar megacrysts in deformed granite of the Papoose Flat Pluton, California, USA: Electronic Geosciences DOI 10.1007/s10069-002-0005-3