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Clinobisvanite, eulytite, and namibite from the pala pegmatite district, San Diego Co., California, USA

Published online by Cambridge University Press:  05 July 2018

Eugene E. Foord
Eugene E. Foord*
Affiliation:
MS 905, U.S. Geological Survey, Box 25046 Denver Federal Center, Denver, CO 80225, USA
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Extract

The 100 Ma complex LCT-type composite pegmatite- aplite dykes, intruded into various units of the Southern California Batholith, are known to contain bismuth minerals. Jahns and Wright (1951) reported the following primary and secondary bismuth minerals from the quartz-rich cores of a number of dykes in the Pala district, San Diego Co., California: native bismuth, bismuthinite, bismite, bismutite, and beyerite.

Keywords

clinobisvaniteeulytitenamibitePala pegmatite districtCaliforniabismuth minerals
Type
Short Communications
Information
Mineralogical Magazine , Volume 60 , Issue 399 , April 1996 , pp. 387 - 388
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1996

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References

Foord, E.E., Spaulding, L.B. Jr., Mason, R.A. and Martin, R.F. (1989) Mineralogy and paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California. Mineral Record, 20, 101—27Google Scholar
Foord, E.E., London, D., Kampf, A.R., Shigley, J.E. and Snee, L.W. (1991) Gem-bearing pegmatites of San Diego County, California. In: Geological Excursions in southern California and Mexico (Walawender, M.J. and Hanan, B.B., eds.) Guidebook for the 1991 Annual Meeting Geological Society of America, San Diego, CA., Oct. 21-24, 1991, 128–46.Google Scholar
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Jahns, R.H. (1979) Gem-bearing pegmatites in San Diego County, California: The Stewart mine, Pala district and the Himalaya mine, Mesa Grande district. In Mesozoic Crystalline rocks. (P.L. Abbott and V.R. Todd, eds.) San Diego, California, San Diego State University, Dept, of Geological Sciences, pp. 3–38.Google Scholar
Jahns, R.H. and Wright, L.A. (1951) Gem- and lithiumbearing pegmatites of the Pala district, San Diego County, California. Calif. Div. of Mines Spec. Report 7A, 72 pp.Google Scholar
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