Description
W.L. Bull And Others (Johnny Bull Claimants)
Commodities
PrimaryCopper, Silver
SecondaryGold
TertiaryBismuth, Tellurium, Lead
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
Ore controlFracture Intersection
Materials
Ore mineralsEnargite, Gold, Pyrite
GangueKaolinite, Quartz
Geology
Host rockSandstone · Dolores Formation
Associated rockLatite,Basalt · Hornblende Latite Porphyry And Basalt;Calico Peak Porphyry
StructureSan Juan Uplift, Paradox Basin, Rico Dome, Calico Peak Stock, Calico Peak Anticline
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationKaolinitization; Silicification; Shallow Bit Intense Near-Suface Oxidation Of Ores
Economic & production
Development statusPast Producer
First production1890
Discovery year1879
Identification
Deposit ID10014129
MRDS IDD010772
Alternate namesPatented Claims: Johnny Bull, MS 596, Spanking Jack, MS 7047, Last Chance, MS 7047
RegionNA
Data scoreB
Coordinates37.71695, -108.09093
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. 357-358.COLORADO DIV. MINES INF. REPTS.BLM MINERAL SURVEYS MS 596, 7047MARRS, G.O., 1925, REPORT ON THE GOLD ANCHOR GROUP OF MINES, PIONEER MINING DISTRICT, DOLORES COUNTY, COLORADO: UNPUB. ENG. REPT., 8 P.