Description
W. B. Norton And Others (Claimants)
Commodities
PrimarySilver, Lead, Zinc, Gold
TertiarySulfur-Pyrite, Manganese
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
Ore controlChemical Favorability Of Limestone For Replacement Near Major Trunk Fault
Materials
Ore mineralsPyrite, Sphalerite
GangueFluorite, Gypsum, Halloysite, Quartz, Sericite
Geology
Host rockSandstone,Limestone · Hermosa Formation
Associated rockLatite · Hornblende Latite Porphyry
StructureSan Juan Uplift, Paradox Basin, Rico Dome, Blackhawk Fault, Princeton Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationOxidation Of Sulfide Ores; Silicification And Sericitization Of Sandstone
Economic & production
Development statusPast Producer
First production1885
Discovery year1885
Identification
Deposit ID10014132
MRDS IDD010776
Alternate namesLogan Group, Patented Claims: General Logan, MS 2476, General Sherman, MS 2477, General O. O. Howard, MS 2478, General Sheridan, MS 2479, Little Casper, MS 19665, Goliath, MS 19665
RegionNA
Data scoreB
Coordinates37.71723, -108.02426
References
MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723.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. 390-392CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.BLM MINERAL SURVEYS MS 2476, 2477, 2478, 2479, 19665