Champie Mine (Lehman Mine; Lehman Copper Mine; Lone Star Mine; UFO claims; Cersa Moje 1-7 claims; Rhoades-Iola claims), Copperopolis, Castle Creek District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
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U.S. Bureau of Mines - Arizona Bureau of Geology and Mining Technology file data.
Arizona Department of Mineral Resources file data - Duco Boy.
Arizona Department of Mineral Resources Golden Aster Mines file.
Arizona Department of Mineral Resources Lone Star file.
Arizona Department of Mineral Resources Rhoades-Iola Mine file.
U.S. Bureau of Land Management Arizona Mining Claims Lead Files #68361 and 68894.
USGS Copperopolis Quadrangle map.
MRDS database Dep. ID #10048153, MRDS ID #M800200; and, Dep. ID #10210740, MAS ID #0040250417.
A former underground Au-Ag-Cu-Pb mine located about ½ mile (0.8 km) West of Copperopolis at 3,400 feet of altitude. Reopened in 1917. Owned at times, or in part, by Gus Lehman; and, E.C. Champie (1917). Produced 1937-1965.
Mineralization is a vein deposit with a tabular ore body hosted in amphibolite schist, injected with pegmatite and tourmaline-quartz. The vein strikes N.20ºW. & dips 45ºSW. Ore control was faulting and shearing. Ore concentration was oxidation at near surface. Alteration was minor Fe-staining.
Area structures include veins parallel to low-angle (less than 50 degree dip) faults which trend NW. Foliation in Precambrian schist trends N20E to N50E. Tertiary volcanics dip NE and strike NW.
Workings include 4 tunnels within a vertical distance of 200 feet (65 meters). No ore was shipped by Lehman; 4 carloads were shipped in 1917.
16 entries listed. 14 valid minerals.
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