Incas Mine

La Plata County, Colorado, United States

GoldSilverCopperLeadZincTellurium

⌖ Show on map USGS source ↗

Description

Van Emmett Gold Mining And Milling Co. (Incas And Unexpected Claimant)

Commodities

PrimaryGold, Silver

SecondaryCopper, Lead

TertiaryZinc, Tellurium

Commodity typeM

Deposit

Model85: Polymetallic veins

Deposit sizeS

Materials

Ore mineralsGalena, Gold, Pyrite, Sphalerite

GangueAnkerite, Calcite, Quartz

Geology

Host rockSandstone,Limestone · Pony Express Limestone Member Of Wanakah Formation;Entrada Sandstone

Associated rockDiorite · Porphyritic Rocks--Diorite-Monzonite Porphyry

StructureSan Juan Uplift, Four Corners Platform, La Plata Dome

Tectonic settingCentral Cordillera (Southern Rocky Mtns)

AlterationSericitization, Kaolinitization

Economic & production

Development statusPast Producer

First production1909

Last production1922

Discovery year1904

Identification

Deposit ID10087915

MRDS IDD010826

Alternate namesIncas No. 1, MS 18511, Oriental, MS 18511, Incas No. 2, MS 18513, Incas No. 3, MS 18513, Van Emmett Property, Patented Claims: Incas, MS 17117, Northern Slope, MS 18513, Unexpected No. 1, MS 18513, Unexpected No. 2, MS 18513, Unexpected No. 3, MS 18513, Great Divide, MS 18513, Great Divide No. 2, MS 18513, Great Divide No. 3, MS 18513, Northern Knight, MS 18513, Moonlight, MS 18513, Gold Coin, MS 18740, Unexpected, MS 17118

RegionNA

Data scoreB

Coordinates37.3664, -108.06009

References

ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-76, 125-129.COLORADO DIV. MINES INF. REPTS.BLM MINERAL SURVEYS MS 17117, 17118, 18511, 18513, 18740ECKEL AND OTHERS, 1949, P. 126 (AS COMPILED FROM USGS AND USBM RECORDS)