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Hamburg Mine (Wisconsin Mine; Hartford Mine), Ramsey Canyon, Hartford District (Huachuca Mountains District), Huachuca Mts, Cochise Co., Arizona, USA

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Latitude & Longitude (WGS84): 31° 25' 28'' North , 110° 19' 30'' West
Latitude & Longitude (decimal): 31.4244444444, -110.325
Other regions containing this locality:Sonoran Desert, North America



A former small underground Cu-Pb-Zn-Ag-Au mine located in the corner intersection of secs. 16, 17, 20 & 21, T.23S., R.20E. (Miller Peak 7.5 minute topo map), in upper Ramsey Canyon, where Pat Scott and Wisconsin Canyon enter Ramsey Canyon, on National Forest land. Produced 1913-1950. Owned at times, or in part, by the Arizona Copper Mining Co.; the Hartford Arizona Copper Mining Co.; and, the Butte & Arizona Mining Co. Operated by the Butte & Arizona Mining Co.; and, the Coronado Investment Co.

Mineralization is a contact metamorphic deposit with irregular veinlets, pods, and disseminations of sulfides in pyrometasomatic tactite in deformed Permian Concha Limestone along a strong fault and intruded by Jurassic quartz monzonite.

Workings include a 200 foot long tunnel driven in the early 1900'S; Three principal adits, including this tunnel, pits, and small prospect drifts. Up to 100 tons of ore were produced intermittently in the early 1900's.

Mineral List


9 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Tithonian - Toarcian
145 - 182.7 Ma
Jurassic granitic rocks

Age: Jurassic (145 - 182.7 Ma)

Description: Granite to diorite, locally foliated and locally alkalic; includes Triassic(?) granitoids in the Trigo Mountains. This unit includes two dominant assemblages of igneous rocks. The Kitt Peak-Trigo Peaks superunit includes, from oldest to youngest: dark, foliated or gneissic diorite, medium-grained equigranular to porphyritic granodiorite, and small, irregular intrusions of light-colored, fine-grained granite. The Ko Vaya superunit, limited to south-central Arizona, includes texturally heterogeneous K-feldspar-rich granitic rocks. (150-180 Ma)

Lithology: Major:{diorite,alkali granite,granodiorite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

‡Ref.: Alexis, C.O. (1949), The Geology of the Northern Part of the Huachuca Mountains, Arizona, University of Arizona, PhD. Thesis: 65-66.

Weber, R.H. (1950), The Geology of the East-central Portion of the Huachuca Mountains, Arizona, University of Arizona, PhD. Thesis: 156-160.

Wilson, E.D., et al (1950), Arizona zinc & lead deposits, Part I, Arizona Bureau of Mines Bull. 156: 156-161.

Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, Arizona Bureau of Mines Bull. 158: 37.

Frondel, C. (1962), The System of Mineralogy, Vol. III, Silica minerals, Wiley, New York.

Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geol. Sur. Branch Bull. 187, Index of Mining Properties in Cochise County, Arizona: 65 (Table 4).

Ludington, S. (1984) Preliminary mineral-resource assessment of the proposed Miller Peak Wilderness, Cochise County, Arizona: U.S. Geological Survey Open-File Report 84-0293, 10 p.: 3-4.

Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 4 (Table 1).

Tuftin, S.E. and Armstrong, R.C. (1994) U.S. Bureau of Mines Open File Report Mineral Land Assessment (MLA) 1-94.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 151, 346.

MRDS database Dep. ID file #10046172, MRDS ID #M241004; and, Dep. ID #10161065, MAS ID #0040030151.

 
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