Description
Benjamin O. Reid and others (Claimants)
Commodities
PrimarySilver, Gold
SecondaryCopper, Lead
TertiaryTellurium
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeS
Ore controlPossibly Scissor Fault Intersection
Materials
Ore mineralsGalena, Gold, Pyrite, Sylvanite
GangueBarite, Calcite, Chlorite, Quartz, Sericite
Geology
Host rockDiorite · Cutler Formation
Associated rockDiorite · Nonporphyritic Rocks--Diorite
StructureSan Juan Uplift, Four Corners Platform, La Plata Dome, Lewis Mtn Diorite Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1895
Last production1913
Discovery year1895
Identification
Deposit ID10014159
MRDS IDD010810
Alternate namesPatented Claims: Lorrillard, MS 1142, Little Mack, MS 1144, Moonlight, MS 9179, Columbus, MS 9223, Maverick, MS 9223, Gold Cup, MS 9223, Last Chance, MS 17252, Lucky Boy, MS 19405
RegionNA
Data scoreB
Coordinates37.42779, -108.01759
References
ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-76, 101-103, PL. 16.Neubert and others, 1992, Mineral Appraisal of the San Juan National Forest, Colorado: USBM MLA 2-92, fig. 39, p. 111; p. 114-115.BLM MINERAL SURVEY MS 1142, 1144, 9179, 9223, 17252, 19405REED, J.R., 1936, REPORT ON COLUMBUS MINES CO., LA PLATA COUNTY, COLORADO--LUCKY BOY, LAST CHANCE, MOONLIGHT, ETC.: UNPUB. ENG. REPT., 3 P.COLORADO DIV. MINES INF. REPT.ECKEL AND OTHERS, 1949, P. 101-102 (AS COMPILED FROM USGS AND USBM RECORDS)