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Giblin claims, Aguila District, Big Horn Mts, Maricopa Co., Arizona, USA

Latitude: 33°45'1"N
Longitude: 113°13'53"W
‡Ref.: Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 140-141; USGS 15 minute Aguila topo. map; MRDS file #10162080.

A group of manganese claims and surface prospect located about 1 mile south of the U.S. group of claims, at an altitude of 2,400 feet.

The deposit is a brecciated zone in red andesite, which trends NW. The ore is a black, earthy oxide, pyrolusite, with a few crusts of psilomelane, associated with fragments of andesite and calcite veinlets.

Workings are comprised of an open cut 40 feet long, 15 feet wide, and 6 feet deep. About 23 tons of ore were shipped in 1917.

Mineral List

Calcite
'Psilomelane'
Pyrolusite


3 entries listed. 2 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Arizona, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds 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. Current server date and time: 13th Jun 2011 13:33:35
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