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Golconda Mine (Golconda claim), Yavapai Co., Arizona, USA

Latitude: 34°3'23"N
Longitude: 112°18'27"W
‡Ref.: Lindgren, W. (1926), Ore deposits of the Jerome and Bradshaw Mountains quadrangles, Arizona, USGS Bull. 782: 178-179.

Elsing and Heineman (1936) Arizona Metal Production. Arizona Bureau of Mines Bulletin 140: 60-61.

U.S. Bureau of Mines - Arizona Bureau of Geology and Mining Technology file data.

MRDS database Dep. ID #10048063, MRDS ID #M800033.

A former underground Au-Ag-As mine. Discovered 1897. Produced 1913.

Mineralization is a vein deposit with a tabular ore body. Ore control was faulting and shearing. Ore concentration was oxidation at near surface. Alteration was sericitization adjacent to some dikes. An associated rock unit is the Crazy Basin Monzonite and rhyolite porphyry dikes.

Area structures include Veins parallel to rhyolite dikes and foliation in Precambrian xenoliths (quartz-mica schist) that trends N40-50E.

Mineral List

Gold
Muscovite
var: Sericite

Pyrite


3 entries listed. 2 valid minerals.

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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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