‡Ref.: Bromfield, C.S. & Shride (1956), Mineral resources of the San Carlos Indian Reservation, AZ, USGS Bull. 1027-N: 686-687.
Peirce, H.W. (1969), Gem Materials, in USGS & Arizona Bureau of Mines & US Bureau of Reclamation, Mineral and Water Resources of Arizona, Arizona Bureau of Mines Bull. 180 (USGS Bull.871): 359.
Rabb, D.D. and Vuich, J.S. (1975) San Carlos Indian Reservation Peridot Mine: Inspection Report B75-2, Arizona Bureau of Mines, University of Arizona, Tucson, 34 pp.
Moore, R.T. and Vuich, J.S. (1977) An Evaluation of the Olivine Resources of the San Carlos Apache Indian Reservations and Recommendations for Potential Development. NADSAT Project Completion Report No. 1. Arizona Bureau of Mines, 34 pp.
Garcia, M.O., et al (1980), Volatiles in Ti-rich amphibole megacrysts, southwestern USA, American Mineralogist: 65: 306-312.
Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 114.
MRDS database Dep. ID #10060353, RDS ID #TC10730; and Dep. ID #10113001, MAS ID #0040070542.
A peridot/olivine mine immediately SW of San Carlos.
Mineralization is a mesa capped by a basalt flow from 10 to more than 100 feet thick, underlain by flat-lying tuffs, siltstones & gravels. These sedimentary rocks are regarded as the equivalent of the Gila Conglomerate and therefore of Pliocene or Pleistocene age. The peridot occurs in roughly ellipsoidal bombs, or segregations, in basalt & cinders erupted from a volcanic cone that occupies the SW corner of the mesa.
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Map Reference: 33°19'49"N , 110°29'35"W
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