Mine detail: Eureka-Bulldozer Mine

Previously called 'Patented Claim: Eureka, MS 1271Unpatented Claim: Bulldozer'

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Location

Lat / long:

37.41307, -108.02148

Resource(M)

Primary:	Silver, Gold
Secondary:	Lead, Copper
Tertiary:	Tellurium
Ore:	Chalcopyrite, Galena, Gold, Pyrite
Gangue:	Chlorite, Fluorite, Quartz
Discovery year:	1882

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1882
Last production ended:	1914

Geology

Host rock:	Cutler Formation;Rico Formation
Host type:	Mudstone,Shale,Sandstone
Associated rock:	Porphyritic Rocks--Diorite-Monzonite Porphyry
Associated type:	Diorite
Structure:	San Juan Uplift, Four Corners Platform, La Plata Dome
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010820
DEP	10014165
Reference	{Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-76, 119, PL. 22.}{Deposit:: BLM MINERAL SURVEY MS 1271}{Production:: ECKEL AND OTHERS, 1949, P. 119 (AS COMPILED FROM U.S. MINT, USGS, AND USBM RECORDS)}
Reporter	Schwochow, Stephen D.