Description
Dolores Silver Mining Co. (Claimant)
Commodities
PrimarySilver, Lead, Zinc
SecondaryCopper, Gold
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
Orebody formIRREGULAR
Ore controlChemically Favorable Limestone Near Intrusive Source
Materials
Ore mineralsChalcopyrite, Pyrite, Sphalerite
GangueChert, Chlorite, Epidote, Garnet, Pyrrhotite, Wollastonite
Geology
Host rockLimestone · Leadville Limestone;Ouray Limestone
Associated rockMonzonite,Latite · Hornblende Latite Porphyry;Augite Monzonite
StructureSan Juan Uplift, Paradox Basin, Rico Dome, Smelter Fault, Knob Hill Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationMarbleization Of Limestone; Chloritization Of Shale
Economic & production
Development statusPast Producer
First production1878
Last production1946
Discovery year1878
Identification
Deposit ID10014117
MRDS IDD010759
Alternate namesPatented Claim: Atlantic Cable, Ms 1136
RegionNA
Data scoreA
Coordinates37.69418, -108.03176
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: USGS MAP GQ-797.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEY MS 1136RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 395-396.COLORADO DIV. MINES ANNUAL OPERATOR REPTS.