Colorado · Costilla County
Past Producer

San Luis Mine

Costilla County, Colorado, United States
GoldSilverCopperLeadMolybdenumZinc
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
SecondarySilver, Copper, Lead
TertiaryMolybdenum, Zinc
Commodity typeM
Deposit
Deposit typeflat vein system
Model82: Epithermal veins129: Detachment-fault-related polymetallic Cu-Au-Ag-Pb-Zn deposits281: Gold on flat faults
WorkingsSurface
Materials
Ore mineralsGold
GangueHematite, Pyrite, Quartz, Chlorite, Fluorite, Sericite, Calcite
Other materialsGoethite
Geology
Host rockTectonite · brecciated gneiss and cataclasite
Associated rockBiotite Gneiss,Granitic Gneiss,Felsic Volcanic Rock,Andesite · "biotite gneiss", "granitic gneiss", "felsite dikes", "andesite dikes"
Structureprominent low-angle fault , numerous high-angle faults also
Alterationquartz + specular hematite veinlet and matrix filling, silica breccia matrix replacement, quartz-muscovite-pyrite replacements and veins, carbonate +/- chlorite replacements and veins
Economic & production
Development statusPast Producer
First production1991
Discovery year1890
Identification
Deposit ID10142482
Alternate namesEl Plomo, Rito Seco, Plomo Mine, Plomo district, San Luis deposit
RegionNA
Data scoreA
Coordinates37.25753, -105.34196
References
AMERICAN MINES HANDBOOK 1993, P.32.EPLER, BILL. SAN LUIS GOLD - BMG'S NEW PRODUCER IS UP & RUNNING, PAYDIRT MAG. (ROCKY MT ED), MAY 1991, PP 4A-6ABATTLE MTN GOLD CO. 1994 ANNUAL REPORT, P.4.BATTLE MTN GOLD CO. 1995 ANNUAL REPORT, P.12.MINING RECORD. GOLD PRODUCTION FOR SAN LUIS PROJECTED AT"69,000 OZ. IN 1995. VOL106/N16. 4/19/95. P.7."BATTLE MOUNTAIN GOLD CO. 1995 FORM 10-K RPT, P8.BATTLE MOUNTAIN GOLD CO., 1996 FORM 10-K, PP. 4, 13.BATTLE MOUNTAIN GOLD CO., 1996 ANNUAL REPORT, P17.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.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.GUNTHER, C.G., 1905, THE GOLD DEPOSITS OF PLOMO, SAN LUIS PARK, COLORADO: ECON. GEOLOGY, V. 1, P. 143-154.RITTER, E.A., 1934, REPORT ON THE RITO SECO MINING PROPERTY LOCATED IN COSTILLA COUNTY, COLORADO: COLORADO STATE PLAN. COMM. UNPUB. REPI.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.WEILKINSON, BRUCE, 1981, GOLD LODE STUDIED IN COSTILLA COUNTY: DENVER POST, 6/14/81, P. 46.GOLD DEPOSIT, COSTILLA CO, COLORADO. GOLD '90 PROCEEDINGS OF THE AIME OF THE GOLD '90 SYMPOSIUM, SALT LAKE CITY,UT, FEB. 26 - MAR 1, 1990; HAUSEN, D. M., ET AL, EDS.,1990, PP. 83-91.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.BATTLE MOUNTAIN GOLD CO. 1995 ANNUAL REPORT, P12.