Mine detail: San Luis Mine

Previously called 'El PlomoRito SecoPlomo MinePlomo districtSan Luis deposit'

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Location

Lat / long:

37.25753, -105.34196

Resource(M)

Primary:	Gold
Secondary:	Silver, Copper, Lead
Tertiary:	Molybdenum, Zinc
Ore:	Gold
Gangue:	Hematite, Pyrite, Quartz, Chlorite, Fluorite, Sericite, Calcite
Other material:	Goethite
Discovery year:	1890

Production

Operation type:	Surface
Deposit type:	flat vein system
Development status:	Past Producer
First production started:	1991

Geology

Host rock:	brecciated gneiss and cataclasite
Host type:	Tectonite
Associated rock:	biotite gneiss, granitic gneiss, felsite dikes, andesite dikes
Associated type:	Biotite Gneiss,Granitic Gneiss,Felsic Volcanic Rock,Andesite
Structure:	prominent low-angle fault , numerous high-angle faults also
Alteration processes:	quartz + specular hematite veinlet and matrix filling, silica breccia matrix replacement, quartz-muscovite-pyrite replacements and veins, carbonate +/- chlorite replacements and veins

References

MAS	80230016
DEP	10142482
Reference	{Deposit:: AMERICAN MINES HANDBOOK 1993, P.32.}{Deposit:: EPLER, BILL. SAN LUIS GOLD - BM * NEW PRODUCER IS UP & RUNNING, PAYDIRT MAG. (ROCKY MT ED), MAY 1991, PP 4A-6A}{Deposit:: BATTLE MTN GOLD CO. 1994 ANNUAL REPORT, P.4.}{Deposit:: BATTLE MTN GOLD CO. 1995 ANNUAL REPORT, P.12.}{Deposit:: MINING RECORD. GOLD PRODUCTION FOR SAN LUIS PROJECTED AT}%%{Deposit:: 69,000 OZ. IN 1995. VOL106/N16. 4/19/95. P.7.}%%{Deposit:: BATTLE MOUNTAIN GOLD CO. 1995 FORM 10-K RPT, P8.}{Deposit:: BATTLE MOUNTAIN GOLD CO., 1996 FORM 10-K, PP. 4, 13.}{Deposit:: BATTLE MOUNTAIN GOLD CO., 1996 ANNUAL REPORT, P17.}{Deposit:: Benson, R.G., 1997, Detachment fault-related mineralization in a rift setting at the San Luis gold deposit and Sangre de Cristo Mountains, Alamosa, Costilla, and Saguache Counties, Colorado: Golden, Colorado School of Mines, Ph.D. dissertation, 226 p.}{Deposit:: VAN DEIST, E.C., AND VAN DEIST, P.H., 1898, NOTES ON THE GEOLOGY OF THE WESTERN SLOPE OF THE SANGRE DE CRISTO RANGE IN COSTILLA COUNTY, COLO.: COLO, SCI. SOC. PROC., V. 5, P. 76-80.}{Deposit:: GUNTHER, C.G., 1905, THE GOLD DEPOSITS OF PLOMO, SAN LUIS PARK, COLORADO: ECON. GEOLOGY, V. 1, P. 143-154.}{Deposit:: RITTER, E.A., 1934, REPORT ON THE RITO SECO MINING PROPERTY LOCATED IN COSTILLA COUNTY, COLORADO: COLORADO STATE PLAN. COMM. UNPUB. REPI.}{Deposit:: Benson, R.G., and Jones, D.M., 1994, Geology of the San Luis gold deposit: New developments, Costilla County, Colorado: Society for Mining, Metallurgy, and Exploration, SME Annual Meeting, Albuquerque, New Mexico, 9 p.}{Development:: WEILKINSON, BRUCE, 1981, GOLD LODE STUDIED IN COSTILLA COUNTY: DENVER POST, 6/14/81, P. 46.}{Geology:: GOLD DEPOSIT, COSTILLA CO, COLORADO. GOLD *0 PROCEEDINGS OF THE AIME OF THE GOLD *0 SYMPOSIUM, SALT LAKE CITY,}{Geology:: UT, FEB. 26 - MAR 1, 1990; HAUSEN, D. M., ET AL, EDS.,}{Geology:: 1990, PP. 83-91.}{Geology:: Wallace, A.R., and Soulliere, S.J., 1996, Geologic map of the Ojito Peak quadrangle, Costilla County, Colorado: U.S. Geological Survey Miscellaneous Field Studies Map MF-2312-B, scale 1:24,000.}{Production:: BATTLE MOUNTAIN GOLD CO. 1995 ANNUAL REPORT, P12.}
Reporter	Buckingham, David A., Keller, John W.