Commodities
PrimaryZinc, Lead, Silver
SecondaryCopper, Gold
TertiaryManganese, Bismuth
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
Orebody formTABULAR
Ore controlBedding Fault In Shale; Intersection Of Limestone And Nw-Trending Fault
Materials
Ore mineralsAnglesite, Chalcopyrite, Limonite, Pyrite, Sphalerite
GangueQuartz
Geology
Host rockLimestone · Hermosa Formation
Associated rockLatite · Hornblende Latite Porphyry
StructureSan Juan Uplift, Paradox Basin, Rico Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationOxidation Of Pb Sulfide To Carbonate And Sulfate; Alteration Of Pyrite; Mn Oxides From Impure Limestone
Economic & production
Development statusPast Producer
Last production1966
Identification
Deposit ID10014125
MRDS IDD010768
Alternate namesPatented Claims: Forest, MS 730, Payroll, MS 7631, Unpatented Claim: Wedge
RegionNA
Data scoreB
Coordinates37.6939, -108.01009
References
MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 73-75, 93-94.PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 346-349.CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEYS MS 730, 7631COLORADO DIV. MINES ANNUAL OPERATOR REPTS.; MCKNIGHT, 1974, P. 94 (FIGURES FOR 1965-1966)