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Atlantic Mine, Howard Mine group, Dos Cabezas, Dos Cabezas (Two Heads) District, Dos Cabezas Mts, Cochise Co., Arizona, USA
Ref.: Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 187, Index of Mining Properties in Cochise County, Arizona: 62 (Table 4).A Au-Pb-Ag-Cu (Mn) mine located in the SW ΒΌ sec. 23, T.14S., R.27E.
Mineralization is lensing quartz stringers with minor base metal sulfides associated with shear zones along a rhyolite-slate contact.
Workings are shallow. A few hundred tons of ore were produced from this mine group in the late 1880's and some 20 tons in 1932.
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Locality Updated: San Miguel Mine, Moctezuma, Mun. de Moctezuma, Sonora, MexicoFrom David Von Bargen, 24th May 2013 23:52:46