Commodities
PrimarySilver, Lead, Zinc
SecondaryCopper, Gold
Commodity typeM
Deposit
Deposit typeContact Metamorphic
Deposit sizeS
Orebody formIRREGULAR
Ore controlChemically Favorable Limestone Near Intrusive Source
Materials
Ore mineralsChalcopyrite, Pyrite, Sphalerite
GangueAndalusite, Chlorite, Cordierite, Magnetite
Geology
Host rockLimestone · Leadville Limestone;Ouray Limestone
Associated rockMonzonite,Latite · Hornblende Latite Porphyry;Augite Monzonite
StructureSan Juan Uplift, Paradox Basin, Rico Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationMarbleization Of Limestone
Economic & production
Development statusPast Producer
Last production1927
Discovery year1878
Identification
Deposit ID10014141
MRDS IDD010788
Alternate namesPatented Claim: Shamrock, Ms 5832
RegionNA
Data scoreB
Coordinates37.69307, -108.03426
References
MCKNIGHT, E.T., 1974 GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P.75-76,95.PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGSCOLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEY MS 5832