Mine detail: Presidio Mine

Previously called 'Shafter'

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Location

Lat / long:

29.813, -104.32938

Resource(M)

Primary:	Silver, Lead, Gold, Zinc
Tertiary:	Manganese
Ore:	Anglesite, Argentite, Cerargyrite, Chalcopyrite, Chrysocolla, Covellite, Descloizite, Endlichite, Galena, Hemimorphite, Iron, Plumbojarosite, Pyrite, Sphalerite
Gangue:	Calcite, Dolomite, Quartz
Orebody form:	BLANKET, PINCH AND SWELL
Discovery year:	1880

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer
Production years:	1883-1930; 1934-1942.
First production started:	1883
Last production ended:	1942

Geology

Host rock:	Mina Grande Formation;Presidio
Host type:	Limestone
Associated type:	Plutonic Rock
Structure:	Doming Of Host Carbonates.
Alteration processes:	Dolomitization And Silicification Of Limestone; Kaolinite-Calcite-Pyrite In Tertiary Dike Rocks

References

MRDS	W701346
DEP	10085715
Reference	{Deposit:: PRICE, J. G., HENRY, C. D., AND STANDEN, A. R., 1983, ANNOTATED BIBLIOGRAPHY OF MINERAL DEPOSITS IN TRANS-PECOS TEXAS: BUREAU OF ECONOMIC GEOLOGY (TEXAS), MINERAL RESOURCE CIRCULAR NO. 73, 108 P.}{Deposit:: ROSS, CLYDE P., 1943, GEOLOGY AND ORE DEPOSITS OF THE SHAFTER MINING DISTRICT, PRESIDIO COUNTY, TEXAS: USGS BULL. 928-B, 125P.}{Deposit:: TWO MONTHS OF FIELD INVESTIGATIONS IN 1934 BY CLYDE P. ROSS, W.E. CARTWRIGHT, AND C.H. COLDWELL UNDER ALLOTMENT FROM THE PUBLIC WORKS ADMINISTRATION}{Other Database:: CIMRI}{Production:: PRICE AND OTHERS, 1983; MINES HANDBOOK}{Reserve-Resource:: USGS OFR 92-002, P. 18.}
Reporter	Paidakovich, Matthew E., Long, Keith R.