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Lucky Four Mine

Past Producer in La Plata county in Colorado, United States with commodities Gold, Silver, Copper, Lead, Zinc
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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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10014177
MRDS ID D010837
Record type Site
Current site name Lucky Four Mine
Alternate or previous names Patented Claims: Lucky Four, MS 19336, Lucky Four No. 2, MS 19336, Iron King, MS 19336, Delphic, MS 19336, Dead Pine, MS 19336, Hesperain, MS 19336
Related records 10215707

Geographic coordinates

Geographic coordinates: -108.07037, 37.36751 (WGS84)
Elevation 3030
Location accuracy 250(meters)
Relative position 12.1 MILES N 61 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

Hesperus(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 15,16,21,22 W2 OF W2 (15); E2 (16); NE OF NE OF NE (21); NW OF NW OF NW (22) Colorado

Comments on the location information

  • (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). CLAIMS LIE ACROSS LOWER BURNT TIMBER CREEK AND EXTEND UP NW SIDE OF OHWILER RIDGE, 2.2 MILES SOUTH OF LA PLATA TOWNSITE (UNSURVEYED SECTION ; INFO FROM LAND.ST :1974

Commodities

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

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Barite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation Of Pb Sulfide

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) Late Jurassic
    Stratigraphic age (youngest) Paleocene
    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 > Sandstone
    Rock unit name Dolores Formation;Pony Express Limestone Member Of Wanakah Formation
    Rock description Dolores Formation;Pony Express Limestone Member Of Wanakah Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -108.07037, 37.36751
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
Year of first production 1907
Year of last production 1914

Mining district

District name California (La Plata) District

Land status

Ownership category National Forest
Area name San Juan N. F.

Comments on the production information

  • 1907 AND 1914 ARE ONLY TWO APPARENT YEARS OF PRODUCTION.

Comments on the workings information

  • CLAIMS PROBABLY DEVELOPED BY A NUMBER OF UNDERGROUND WORKINGS, NOW INACCESSIBLE. LOWER ADIT DRIVEN GENERALLY EASTWARD FOR 120 FT TO VEIN, THENCE DRIFT DRIVEN NORTH ON VEIN FOR 70 FT WITH 15-FT RAISE AT FACE.

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. 69-70, 140.

  • Deposit

    BLM MINERAL SURVEY MS 19336

  • Production

    ECKEL AND OTHERS, 1949, P. 140 (AS COMPILED FROM USGS/USBM RECORDS)

General comments

Subject category Comment text
Deposit COUNTRY ROCKS CONSIST OF CUTLER FM RED BEDS AND OTHER TRIASSIC-JURASSIC SEDIMENTARY ROCKS INTRUDED BY DIORITE-MONZONITE PORPHYRY SILLS AND DIKES. LOWER ADIT DEVELOPED NORTH-SOUTH-TRENDING VERTICAL VEIN CUTTING PORPHYRY AND SLIGHTLY SILICIFIED DOLORES FM RED BEDS. ORE PRODUCED IN 1914 REPORTEDLY CAME FROM PONY EXPRESS LIMESTONE MBR, POSSIBLY REPRESENTING REPLACEMENT DEPOSIT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-83 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.