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Cassadore deposit (Black Mesa deposit), Black Mesa area, San Carlos Indian Reservation, Gila Co., Arizona, USA
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Latitude: 33°29'48"N
Longitude: 110°22'59"W
 
 
An asbestos occurrence/prospect located in sec. 30, T2N, R19E, within 1 mile N of Black Mesa and about 2¾ miles SSE of Bear Canyon Junction, and 14 miles N of the San Carlos Indian Agency, on Indian Reservation land. The history and original claim names are not known.

Mineralization is a vein deposit with a linear ore body hosted in the Mescal Limestone. An associated rock unit is diabase.

Area structures include diabase which, on the south side of the creek, concordantly contacts the base of the algal member for about 150 feet up the hillside slope and then gradually cuts disconcordantly downward through the beds of the lower Mescal Member.

Assay data: 1 - 2 inch, harsh, semi-soft asbestos fiber.

Workings include several open cuts. The condition of the cuts indicates that the work was done many years ago. No production record.

Mineral List

Chrysotile


1 entry listed. 1 valid mineral.

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References

Bromfield, C.S. & Shride (1956), Mineral resources of the San Carlos Indian Reservation, Arizona, USGS Bull. 1027-N: 670.

Stewart, L.A. (1956) Chrysotile-Asbestos Deposits in Arizona. U.S. Bureau of Mines Information Circular 7745: 32.

Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.

MRDS database Dep. ID #10027451, MRDS ID M003119; and Dep. ID #10113029, MAS ID #0040070218.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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