Roadside Mine (Prochnow workings; Old Prochnow property; Cibecue Mining Co. property; Cibecue workings; Lost Mines claims), Mule Hoof Bend area (Oxbow Bend area), Salt River, Salt River District, Fort Apache Indian Reservation, Gila Co., Arizona, USA
A former underground asbestos-Ag-Au mine located on 4 claims in approximate sec. 19, T5N, R18E, about 1½ air miles and 3 road miles NE of the highway 60 Salt River bridge, and about 2¾ miles NE of Mule Hoof Bend, at 4,350 feet of altitude.
Mineralization is a vein deposit with a linear ore body hosted in the Algal Mescal Limestone. Old workings are in massive algal limestone on the west side of the limestone block. The greatest concentration of fibers is in the vicinity of minor thrust faults.
Workings are 4 interconnecting adits 40 to 70 feet long, 2 short adits, and an open cut.
Assay data: Harsh brittle fiber, low tensile strength.
ReferencesU.S. Atomic Energy Commission Report 172-480 (1953), Gila County Preliminary Reconnaissance Report: 38.
Stewart, L.A. (1955), Chrysotile-Asbestos Deposits of Arizona, U.S. Bureau of Mines Information Circular 7706: 48-49.
Moore, R.T. (1968), Mineral Deposits of the Fort Apache Indian Reservation, Arizona, University of Arizona – Arizona Bureau of Mines Bull. 177: 46-48.
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.
Arizona Department of Mineral Resources U file, ASB14 & ASB 46.
MRDS database Dep. ID #10026860, MRDS ID #M000634; and Dep. ID #10060323, MRDS ID #TC10369; and Dep. ID #10258109, MAS ID #0040070240.
1 entry listed. 1 valid mineral.
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Locality Updated: San Miguel Mine, Moctezuma, Mun. de Moctezuma, Sonora, MexicoFrom David Von Bargen, 24th May 2013 23:52:46