Latitude: 33°57'37"N
Longitude: 112°33'47"W
‡Ref.: Jahns, Richard H. (1952), Pegmatite Deposits of the White Picacho District. Arizona Bureau of Mines Bull. 162: 51, 86-87.
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bureau of Mines Information Circular 8298: 23 (Table A-1).
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 Midnight Owl file.
MRDS database Dep. ID #10027571, MRDS ID #M003392; and Dep. ID #10137811, MAS ID #0040251599.
A Feldspar-Li pegmatite occurrence/prospect located in the eastern ½ of the SW ¼ sec. 10, T.7N., R.3W.
Mineralization is the White Jumbo Li-pegmatite. A poorly-zoned dike that trends N.75º to 85ºE. and probably dips SSE at moderate to steep angles. The dike is 100 fee long and more than 40 feet in outcrop bredth in the vicinity of the prospect openings, but splits into 2 prongs ENE of the stripped area. The North prong tapers out at 50 feet beyond the point of separation but the South prong appears to be more continuous.
The country rock is a dark greenish-gray, fine-grained hornblende-biotite schist. A distinct foliation trends N70ºE. and dips 65º NNW.
Workings include several shallow cuts and bulldozer scrapings.
Mineral List
11 entries listed. 7 valid minerals.
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