Colorado · La Plata County
Past Producer

Bay City Mine

La Plata County, Colorado, United States
GoldSilverCopperLead
⌖ Show on mapUSGS source ↗
Description

De Veau Mining Co. (Claimant)

Commodities
PrimaryGold, Silver, Copper
SecondaryLead
Commodity typeM
Deposit
Deposit typeReplacement
Model72: Polymetallic replacement
Deposit sizeS
WorkingsUnderground
Ore controlFavorability Of Limestone And Metamorphosed Limestone For Chemical Replacement Near Intrusion
Materials
Ore mineralsChalcopyrite
Geology
Host rockMarble,Limestone · Dolores Formation
Associated rockDiorite · Porphyritic Rocks--Diorite-Monzonite Porphyry
StructureSan Juan Uplift, Four Corners Platform, La Plata Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1876
Last production1918
Discovery year1987
Identification
Deposit ID10014152
MRDS IDD010802
RegionNA
Data scoreB
Coordinates37.36445, -108.07926
References
ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 68-69, 89-90COLORADO DIV. MINES INF. REPT.BLM MINERAL SURVEY MS 1140ECKEL AND OTHERS, 1949, P. 89