El Marmol claims (Superstition Secret Stone Co. claim), Roblas Butte area, Pioneer District, Pinal Mts, Pinal Co., Arizona, USA
A Ag-Pb-Cu-marble-asbestos group of claims with underground workings located in sec. 13, T1S, R11E, about 2½ miles NE of Roblas Butte and about 6½ miles NW of Superior. Also produced limestone/marble.
Mineralization is a chrysotile vein deposit hosted in the Mescal Limestone.
ReferencesStewart, L.A. (1956) Chrysotile-Asbestos Deposits in Arizona. U.S. Bureau of Mines Information Circular 7745: 41.
Elevatorski, E.A. (1980) Arizona Industrial Minerals: 53.
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Min. Report 4, 185 pp.: 50.
Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.
USGS Picketpost Mountain Quadrangle map.
Arizona Department of Mineral Resources El Marmol Mine file.
MRDS database Dep. ID #10056419, MRDS ID #TC00202 and Dep. ID #10065821, MRDS ID #TC41249; and Dep. ID #10258825, MAS ID #0040210309.
1 entry listed. 1 valid mineral.
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Locality Updated: Newberry Caldera, East Lake, Deschutes Co., Oregon, USAFrom Chester S. Lemanski, Jr., 8th Dec 2013 16:11:40