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Eureka-Bulldozer Mine

Past Producer in La Plata county in Colorado, United States with commodities Gold, Silver, Lead, Copper, Tellurium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10014165
MRDS ID D010820
Record type Site
Current site name Eureka-Bulldozer Mine
Alternate or previous names Patented Claim: Eureka, MS 1271, Unpatented Claim: Bulldozer
Related records 10239733

Geographic coordinates

Geographic coordinates: -108.02148, 37.41307 (WGS84)
Elevation 3277
Relative position 12 MILES N 41 W FROM DURANGO

Site location context

Political divisions (FIPS codes)

La Plata(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

La Plata(quadrangle 1:24,000 scale)

Cortez(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle San Juan(hydrologic unit)

Upper San Juan(hydrologic accounting unit)

San Juan(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

San Juan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado La Plata

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 036N 011W 01 NE Colorado

Comments on the location information

  • (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). ON SW SIDE OF LEWIS MTN NEAR HEAD OF LEWIS CREEK AND WEST OF EAGLE PASS, 2.5 MILES NE OF LA PLATA TOWNSITE (UNSURVEYED SECTION). ; INFO FROM LAND.ST :1974

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Copper Secondary
Tellurium Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Chlorite Gangue
Fluorite Gangue
Quartz Gangue

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Porphyritic Rocks--Diorite-Monzonite Porphyry
    Rock description Porphyritic Rocks--Diorite-Monzonite Porphyry
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Cutler Formation;Rico Formation
    Rock description Cutler Formation;Rico Formation

Nearby scientific data

(1) -108.02148, 37.41307
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Uplift, Four Corners Platform
Type of structure Local
Structure description La Plata Dome

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1882
Discoverer De Veau Mining Co. (Claimant)
Year of first production 1882
Year of last production 1914

Mining district

District name California (La Plata) District

Land status

Ownership category Private
Area name San Juan N. F.

Comments on the production information

  • PARTIAL PRPDUCTION RECORD. FIGURES UNAVAILABLE FOR YEARS PRIOR TO 1887. NO RECORDS FOR 1891-1901. NO PRODUCTION REPORTED FOR 1902-1903, 1905-1912, AND AFTER 1914.

Comments on the workings information

  • MINE WORKED BY EUREKA SHAFT AND ADIT (EXTENT UNKNOWN) AND BY DAVIE AND WATER TUNNELS. WATER TUNNEL DRIVEN N 30 E FOR 85 FT, THENCE S 78 E FOR 96 FT AND GENERALLY N 68 TO 78 W FOR 225 FT; OVERHEAD STOPE TO SURFACE LIES NW OF CROSSCUT. DAVIE TUNNEL LOCATED 260 FT SW OF WATER TUNNEL, DRIVEN N 20 E FOR 270 FT, THENCE GENERALLY EAST TO ESE FOR 260 FT; 60-FT DRIFT ON VEIN DRIVEN WNW-ESE AT 180 FT FROM PORTAL. WATER TUNNEL LIES 125 FT ABOVE GOLD KING NO. 2 LEVEL; DAVIE TUNNEL LIES 55 FT ABOVE GOLD KING NO. 2 LEVEL AND IS CONNECTED TO IT BY RAISE AT 190 FT ALONG SW BRANCH OF TUNNEL.

Comments on development

  • FOLLOWING DISCOVERY IN 1882, MINE WORKED INTERMITTENTLY UNTIL 1914.

Reference information

Bibliographic references

  • 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)

General comments

Subject category Comment text
Deposit COUNTRY ROCK CONSISTS OF SW-DIPPING CUTLER AND RICO FM RED BEDS INTRUDED BY DIORITE-MONZONITE PORPHYRY SILLS AND DIKES. VEIN NEAR SURFACE WAS 5 FT WIDE WITH 1-FT HIGH-GRADE ORE STREAK ON ONE WALL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1983 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.