Latitude: 33°3'39"N
Longitude: 109°24'30"W
A placer gold deposit area located in sec. 19, T4S, R29E, and in secs. 25 & 30, T4S, R28E, 2½ miles West of Morenci, along lower parts of Pinkard Gulch and Gold Gulch, on private land. Discovered by ranchers from Silver City, New Mexico, in 1870. Produced until 1905.
Mineralization is a placer gold deposit with irregular veins; dispersed flakes in stream gravels, and in pockets. Placer gold is commonly found along the porphyry-sediment contact and occurs free in stream gravel deposits. Erosion and fluviatile processes concentrated gold in small pockets within stream gravel deposits. Deposits result from surface oxidation of narrow and irregular gold-bearing veins along both sides of Pinkard Gulch and the lower part of Gold Gulch. Gold is concentrated in a number of sand bars along the lower course of Gold Gulch and along Pinkard Gulch.
References
Lindgren W. (1905) The Copper Deposits of the Clifton-Morenci District, Arizona. USGS Professional Paper 43: 211-212, 292-298.
Wilson, E.D. (1927), Arizona Gold Placers, 2nd. ed. (revised), University of Arizona Bull. 124: 53.
Arizona Bureau of Mines Bull. 135 (1933), Arizona Gold Placers & Placering: 73.
Wilson, E.D., Cunningham, J.B., and Butler, G.M. (1934), Arizona Lode Gold Mines and Gold Mining. Arizona Bureau of Mines Bull. 137 (revised 1967): 185.
Johnson, M.G. (1972), Placer gold deposits of Arizona, USGS Bull. 1355: 15.
Bennett (1975) Geology and Origin of the Breccias in the Morenci-Metcalf District, Greenlee County, Arizona, MS thesis, University of Arizona, 153 pp.
MRDS database Dep. ID #10108993, MRDS ID #M001263.
Mineral List
5 entries listed. 3 valid minerals.
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