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Memphis Mine (Roos shaft; Ross shaft [?]), Organ, Organ District, Organ Mts, Doña Ana Co., New Mexico, USA

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Latitude & Longitude (WGS84): 32° 26' 28'' North , 106° 35' 28'' West
Latitude & Longitude (decimal): 32.44123, -106.59137
Other regions containing this locality:North America

A former Cu-Ag-Zn-Pb-Bi occurrence/mine located in the NW¼ sec. 36, T21S, T3E, NMM, 1.8 km (1.1 miles) NNE of Organ (hamlet) and 22.7 km (14.1 miles) NE of Las Cruces (at the foot of the San Augustin Mountains; just outside the US Army White Sands Proving Grounds), on patented (private) land. The property is comprised of 1 claim. Discovered prior to 1982. Owned by the Torpedo Mining Company, New Mexico (1935). MRDS database stated accuracy for this location is 500 meters.

Mineralization is hosted in the Lead Camp Limestone. The ore body is tabular. Associated rocks include the Sugarloaf Peak Quartz Monzonite. Local rocks include quartz monzonites, intermediate intrusives, and other intermediate felsic dikes and plugs and/or Pennsylvanian rocks, undivided.

Local geologic structures include the Torpedo-Bennett Fault Zone.

Workings include underground openings comprised of open cuts, shafts and drifts to 200 feet. The Ross (Roos ?) shaft was sunk in 1927-1929. A mill/smelter capacity was small (1984).

Production data are found in: Seager, W.R. (1981).

Production information: Cu, Zn, and Ag produced $200,000 to $400,000 (period values). Bi was mined but not produced.

Mineral List

46 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

This page contains all mineral locality references listed on 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 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.


Lindgren, W., Graton, L. C., Schrader, F. C., & Hill, J. M. (1910), The ore deposits of New Mexico, USGS Professional Paper 68.

Dunham, K.C. (1935), The geology of the Organ Mountains with an account of the geology and mineral resources of Dona Ana County, New Mexico, New Mexico Bureau of Mines and Mineral Resources Bulletin 11: 231.

Albritton, C.C., Jr., and Nelson, V.E. (1943), Lead, Zinc, and Copper Deposits of the Organ District, New Mexico (with a supplment on the occurrence of bismuth), USGS Open-File Report 43, 39 pp.

Glover, Thomas J. (1975), Geology and ore deposits of the northwestern Organ Mountains, Doña Ana County, New Mexico. New Mexico Bureau of Mines and Mineral Resources, Open-file Report OF-63.

Seager, W.R. (1981), Geology of Organ Mountains and Southern San Andres Mountains, New Mexico, New Mexico Bureau of Mines and Mineral Resources Memoir 36, 97 pp.

Northrop, S.A. and LaBruzza, F.A. (1996), Minerals of New Mexico, revised Third Edition.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10105276 & 10125821.

Rocks & Minerals (2006): 81: 208-213.

New Mexico Mineral Symposium (2008), abstracts.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0350130186.

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