Description
John P. Jones And Others (Claimants)
Commodities
PrimarySilver, Lead
SecondaryGold
TertiaryZinc
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
Ore controlEast-Trending Fault Cutting Limestone And Shale
Materials
Ore mineralsGold, Pyrite, Sphalerite
GangueQuartz
Geology
Host rockShale,Limestone · Hermosa Formation
Associated rockLatite,Granite · Hornblende Latite Porphyry;Alaskite Porphyry
StructureRico Dome, Nellie Bly Fault, San Juan Uplift, Paradox Basin
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1879
Last production1895
Discovery year1875
Identification
Deposit ID10014118
MRDS IDD010760
Alternate namesPatented Claims: Aztec, MS 367a, Aztec Mill Site, MS 367b
RegionNA
Data scoreB
Coordinates37.70279, -108.03982
References
RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 364-365.MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P.92.PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.BLM MINERAL SURVEYS MS 367A&BCOLORADO DIV. MINES INF. REPTS.