Independence District

Pitkin County, Colorado, United States

GoldSilverCopperLead

⌖ Show on map USGS source ↗

Commodities

PrimaryGold, Silver, Copper

SecondaryLead

Commodity typeM

Deposit

Deposit typeVein

Deposit sizeS

Ore controlMineralization Localized In Quartz Veins Filling Post-Collapse Radial And Concentric Faults And Fractures Beyond North Rim Of Main Grizzly Peak Collapse Structure.

Materials

Ore mineralsChalcopyrite, Galena, Gold, Pyrite, Silver

GangueQuartz

Geology

Host rockSchist

Associated rockDiorite,Rhyolite,Quartz Latite,Latite

StructureSawatch Uplift, Central Colorado Trough, Arkansas Valley Graben, Twin Lakes Batholith, Grizzly Peak Cauldron, Mt Elbert Volcanotectonic Depression, Lincoln Gulch Stock

Tectonic settingCentral Cordillera (Southern Rocky Mtns)

AlterationFe And Cu Alteration Noted By Rohlfing In Vein And Vein Walls At Independence And Mt Hope Mines. Cruson Noted Significant Zoned Quartz-Sericite-Pyrite, Quartz-Sericite, Argillic, And Propylitic Alteration Only Farther Inside Cauldron Around Stockworks And More Intensely Mineralized Areas.

Economic & production

Development statusProducer

First production1879

Last production1951

Discovery year1879

Identification

Deposit ID10090049

MRDS IDD010411

Alternate namesIndependence, MS 1421, Climax, MS 1754, Golden Champion Mill Site, MS 1882b, Claims: Legal Tender, MS 1307, Last Dollar, MS 1318, Minnie, MS 1344, Gatton, MS 1422, Dolly Varden, MS 1423, Mammoth, MS 1424, Friday, MS 1486, Little Giant, MS 3790, Little Birdie, MS 3791, Case, MS 3811, Ocean Wave, MS 3813, Germania, MS 3814, Ward Mill Site, MS 1823b, Mount Hope, MS 1881a, Mount Hope Mill Site, MS 1881b, Golden Champion, MS 1882a, Little Tillie, MS 2038, Iroquois, MS 2076, Pride of the West Placer, MS 2591, Thatcher, MS 2591, Clark Placer, MS 1609, Pride of the West, MS 3892, Minniehaha, MS 4150, Golden Rock, MS 4151, Grand View, MS 4399, Spotted Tail, MS 6548, Panama, MS 7766, Principal, MS 12441, Geld Placer, MS 1235, B. H., MS 4107, Gold Reef, MS 4363, Norah C., MS 4364., Johnson Placer, MS 1730, Emma B. Carlisle, MS 1752, Choler, MS 1819, Sheba Lode, MS 1823a

RegionNA

Data scoreB

Coordinates39.10527, -106.60479

References

CRUSON, M.G., 1973, GEOLOGY AND ORE DEPOSITS OF THE GRIZZLY PEAK CAULDRON COMPLEX, SAWATCH RANGE, COLORADO: COLORADO SCHOOL MINES PH.D. THESIS T-1538.ROHLFING, D.P., 193?, REPORT ON THE INDEPENDENCE GOLD PROPERTY, PITKIN COUNTY, COLORADO: COLORADO STATE PLANNING COMM. UNPUB. REPT., 7 P.HOWELL, J.V., 1919, GEOLOGY AND ORE DEPOSITS OF THE TWIN LAKES DISTRICT OF COLORADO: CGS BULL. 17, 106 P.LUDINGTON, STEVE, AND ELLIS, C.E., 1981, MINERAL RESOURCE POTENTIAL OF THE HUNTER-FRYINGPAN WILDERNESS AND THE PORPHYRY MOUNTAIN WILDERNESS STUDY AREA , PITKIN COUNTY, COLORADO, USGS MAP MF-1236-D. & &LUDINGTON, STEVE, AND YEOMAN, R.A., 1980, GEOLOGIC MAP OF THE HUNTER-FRYINGPAN WILDERNESS AND THE PORPHYRY MOUNTAIN WILDERNESS STUDY AREA, PITKIN COUNTY, COLORADO, USGS MAP MF-1236-A.LUDINGTON AND ELLIS, 1981; USBM MINERALS YEARBOOKS 1932-51