Latitude: 33°52'49"N
Longitude: 111°4'33"W
A uranium deposit/occurrence located on 16 claims in sec. 12, T6N, R12E, about ¾ mile SW of Greenback Peak, about 15 miles NNE of the Roosevelt, on National Forest land. Owned by E.C. Conway & others, Tonto Basin, AZ.
Mineralization is 0.46 meters thick. Host rock is weathered & bleached flaggy siltstone about 65 feet above the base of the upper member. Strata strike about N65W & dip 5SW. Strong vertical joints that strike N60-65E seemingly have no relationship to the radioactivity. Radioactivity: 0.5 to 5.0 mr/hr. An associated rock unit is diabase.
Workings include an open cut, small pit and a bulldozed area. No production record.
References
U.S. Atomic Energy Commission Report 172-480 (1955), Gila County Preliminary Reconnaissance Reports, file A-P-336: 116.
Granger, H.C. & R.B. Raup (1959), Uranium deposits in the Dripping Spring Quartzite, Gila County, Arizona, USGS Bull. 1046-P: 417, 474.
Granger, H.C. & R.B. Raup (1969), Geology of uranium deposits in the Dripping Spring quartzite, Gila County, Arizona, USGS PP 595.
Schwartz, R.J. (1978) Uranium Occurrences of Gila County, Arizona: U.S. Atomic Energy Commission, October 1957, Publication RME-2071.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 408.
USGS Armer Mountain Quadrangle map.
MRDS database Dep. ID #10027096, MRDS ID #M002000; and Dep. ID #10113076, MAS ID #0040070319.
Mineral List
2 entries listed. 2 valid minerals.
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