Ref.: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 170 (Table 4).
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10065027, MRDS ID #TC40016; and, Dep. ID #10259489, MAS ID #0040120379.
A former surface Chrysoprase mine located in the NE¼ sec. 33, T5N, R17W (protracted). NOTE: Alternate coordinates provided: 33.7364N, 114.0297W. Lat-long from center of sec. 33.
Mineralization is narrow, irregular stringers of chrysoprase in Cretaceous or Tertiary volcanics (rhyolite ?).
Workings include shallow trenches and pits. A total of $2,000 worth of material was reportedly sold in 1958-1960.
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Map Reference: 33°43'54"N , 114°8'15"W
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