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Silver Cloud Mine, Escapule Mine group (Escapule Mine; Joe Escapule Mine; Moonlight group; Northside group; Garnet group; Arizona group), Middle Pass District, Dragoon Mts, Cochise Co., Arizona, USA

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Latitude & Longitude (WGS84): 31° 50' 21'' North , 109° 57' 16'' West
Latitude & Longitude (decimal): 31.83917,-109.95444
GeoHash:G#: 9t9v1ujse
Other regions containing this locality:Sonoran Desert, North America
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate


A former small underground Cu-Pb-Zn-Ag-Au mine located in West-central sec. 25, T18S, R23E (Black Diamond Peak 7.5 minute topo map), approximately 1½ miles (2.2 km) SW of Black Diamond Peak, on private land. Produced 1921-1934. Operators included H. Hutchison, and J.S. Chambers.

Mineralization is base metal sulfides in small orebodies and vein-like deposits along faults in altered Cretaceous Bisbee Group limestone. Mineralization includes oxidized copper minerals.

Local structures include complex Tertiary faulting of Paleozoic and Cretaceous sediments. Tertiary intrusive beds strike NW and dip NE (variable). East-dipping, NW-trending thrust sheets dip steeply to overturned Cretaceous beds.

Workings include a shaft and adit. A few tons of ore were produced intermittently from 1921 to 1955.

Mindat Articles

Silver Cloud Mine, Dragoon Mountains, Arizona by Rolf Luetcke




Mineral List


20 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

Cretaceous
66 - 145 Ma



ID: 3187054
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Serpukhovian - Early Cambrian
323.2 - 541 Ma



ID: 2832860
Mississippian, Devonian, and Cambrian sedimentary rocks

Age: Paleozoic (323.2 - 541 Ma)

Stratigraphic Name: Tapeats Sandstone; Bright Angel Shale; Muav Limestone; Temple Butte Formation; Redwall Limestone; Bolsa Quartzite; Abrigo Formation; Martin Formation; Escabrosa Limestone

Description: Brown to dark gray sandstone grades upward into green and gray shale, overlain by light to medium gray or tan limestone and dolostone. This unit includes the Tapeats Sandstone, Bright Angel Shale, Muav Limestone, Temple Butte Formation and Redwall Limestone in northern Arizona, and the Bolsa Quartzite, Abrigo Formation, Martin Formation, and Escabrosa Limestone in southern Arizona. These rocks record intermittent sea-level rise and inundation in early Paleozoic time. (330-540 Ma)

Lithology: Major:{sandstone,shale,limestone}, Minor:{dolostone,quartzite}

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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cederstrom, D.J. (1946a) Geology of the central Dragoon Mountains, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 93 p.
Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, Arizona Bureau of Mines Bull. 158: 28.
Gilluly, James (1956) General geology of central Cochise County, Arizona, with sections on age and correlation, by A.R. Palmer, J.S. Williamson, and J.B. Reeside, Jr.: U.S. Geological Survey Professional Paper 281, 169 p., 13 sheets, scale 1:62,500.
Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 187, Index of Mining Properties in Cochise County, Arizona: 69 (Table 4).
Phelps-Dodge (1979) Middlemarch Project 451 (unpublished data).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 6 (Table 1).
Chatman, M.L. (1993) U.S. Bureau of Mines Open File Report Mineral Land Assessment (MLA) 30-93: 36, D118-D119.
U.S. Bureau of Mines - Arizona Bureau of Geology and Mineral Technology file data.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10048227, MRDS ID #M800321; and, Dep. ID #10234065.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0040030210.

 
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