Golconda Mine (Golconda claim), Yavapai Co., Arizona, USA
‡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.
| Gold|| Muscovite|
3 entries listed. 2 valid minerals.
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Locality Updated: Schönbach, Andelsbuch, Bregenzerwald, Vorarlberg, AustriaFrom Uwe Kolitsch, 1st Aug 2014 13:14:54