Commodities
PrimarySilver, Lead, Zinc
SecondaryCopper, Gold
TertiaryManganese
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
Ore controlNw-Trending Near-Vertical Fissure
Materials
Ore mineralsChalcopyrite, Pyrite, Sphalerite
GangueQuartz, Rhodochrosite
Geology
Host rockShale,Sandstone · Hermosa Formation
Associated rockDiabase,Latite · Hornblende Latite Porphyry;Diabase (Basalt)
StructureSan Juan Uplift, Paradox Basin, Rico Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1940
Identification
Deposit ID10014130
MRDS IDD010774
RegionNA
Data scoreB
Coordinates37.68307, -108.03037
References
MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 73-75.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. 339-340.CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.COLORADO DIV. MINES INF. REPT. AND ANNUAL OPERATOR REPTS.COLORADO DIV. MINES ANNUAL OPERATOR REPTS.