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Pacific Mine (Pacific claim), Silver District, Trigo Mts, La Paz Co., Arizona, USA

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Latitude & Longitude (WGS84): 33° 5' 30'' North , 114° 35' 45'' West
Latitude & Longitude (decimal): 33.0916666667, -114.595833333
‡Ref.: The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Scottsdale, AZ: 73.

Wilson, E.D. (1933) Geology and Mineral Deposits of Southern Yuma County, Arizona. Arizona Bureau of Mines Bulletin 134: 68.

Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, Arizona Bureau of Mines Bull. 158: 94.

Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 177 (Table 4).

MRDS database Dep. ID file #10027200, MRDS ID #M002451.

A Pb-Ag-Fe-Mn mine located in East-central sec. 11, T4S, R23W (protracted), between the Black Rock Mine and the Red Cloud Mine (adjoins the Black Rock mine on the NW), on BLM-administered land. Owned at times, or in part, by Mr. M.L. Keith, who had it surveyed for patent in 1887; and, Mr. C.E. Batton (circa 1933).

Mineralization is spots of lead carbonate and small, altered nodules of galena with silver in banded quartz and masses of iron oxides, pyrolusite, and calcite along a silicified fault zone in metamorphic Mesozoic schist intruded by Laramide diorite. The principal mineralization occurs within a silicified fault zone that strikes north, but swings southeastward on the Mandan claim, and dips about 85ºE.

Workings include a 100 foot deep shaft (before 1887). This claim was patented in 1887 and produced some silver ore in the 1880's.

Mineral List

9 entries listed. 8 valid minerals.

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