Estermill group, Maricopa Co., Arizona, USA
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Latitude & Longitude (WGS84): | 33° 18' 2'' North , 112° 30' 44'' West |
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Latitude & Longitude (decimal): | 33.30055618286133, -112.51222229003906 |
Other regions containing this locality: | Sonoran Desert, North America |
‡Ref.: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 20 (Table A-1); Phillips, K.A. (1987), Arizona Industrial Minerals AZ Dept. of Mines and Mineral Resources Mineral Rpt. 4; USGS 15 minute Buckeye topo. map; AZ Dept. Min. Resources (ADMR) "U" file; MRDS files #10099394 & 10283508.
A group of 12 mica-feldspar claims and former surface mica mine located in the NW¼ sec. 36, T.1S., R.3W.
Mineralization is an unzoned pegmatite 2 to 10 feet wide in schist.
Workings include a 6 foot (2 meter) deep pit and open cut.
Mineral List
1 valid mineral.
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