Blue River prospect (Unnamed asbestos prospect (2); Prospect west of the Blue River), Blue River, San Carlos Indian Reservation, Gila Co., Arizona, USA
Latitude: 33°31'10"N
Longitude: 110°16'54"W
An asbestos prospect located in sec. 17, T2N, R20E, just West of the Blue River, 3 miles E of Bear Canyon deposit, on the SE side of a hill at 4,500 feet of altitude (3 miles East of Bear Canyon deposit and ¼ mile West of Whitetail Spring Road. NOTE: Alternate coordinates provided: 33.5333N, 110.3847W.
Mineralization is a vein deposit with a linear ore body hosted in the Mescal Limestone. The ore zone strikes N45E and dips 10SE. It is found in about 40 foot of thin-bedded Mescal Limestone that is underlain by diabase and is overlain by red to rusty-brown siltstones and quartzites and brown to yellow-brown, silty limestone of undetermined age and Paleozoic limestones. The hill is capped by Tertiary basalt. The beds strike N.45ºE. and dip from 50º to 10ºSE. Asbestos veins occurs at a horizon about 25 to 30 feet above the underlying diabase-limestone contact.
Workings include some suficial workings, and open cut and a short stub-adit.
Assay data: Fiber harsh to semi-harsh.
References
Bromfield, C.S. & Shride, A.F. (1956), Mineral Resources of the San Carlos Indian Reservation, Arizona, USGS Bull. 1027-N: 669-670.
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
MRDS database Dep. ID #10027416, MRDS ID #M003051; and Dep. ID #10161417, MAS ID #0040070194; and Dep. ID #10282701, MAS ID #0040070556.
Mineral List
2 entries listed. 1 valid mineral.
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