Lucky Four Mine

The Lucky Four Mine is a silver and gold mine located in La Plata county, Colorado at an elevation of 9,941 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Lucky Four Mine  

State:  Colorado

County:  La Plata

Elevation: 9,941 Feet (3,030 Meters)

Commodity: Silver, Gold

Lat, Long: 37.3675, -108.06972

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Lucky Four Mine

Lucky Four Mine MRDS details

Site Name

Primary: Lucky Four Mine
Secondary: Patented Claims: Lucky Four, MS 19336
Secondary: Lucky Four No. 2, MS 19336
Secondary: Iron King, MS 19336
Secondary: Delphic, MS 19336
Secondary: Dead Pine, MS 19336
Secondary: Hesperain, MS 19336


Commodity

Primary: Silver
Primary: Gold
Secondary: Lead
Secondary: Copper
Tertiary: Zinc


Location

State: Colorado
County: La Plata
District: California (La Plata) District


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: San Juan N. F.


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1907
Year Last Production: 1914
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Navajo Section


Mineral Deposit Model

Model Name: Polymetallic veins


Orebody

Not available


Structure

Type: R
Description: San Juan Uplift, Four Corners Platform

Type: L
Description: La Plata Dome


Alterations

Alteration Type: L
Alteration Text: Oxidation Of Pb Sulfide


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene


Analytical Data

Not available


Materials

Ore: Sphalerite
Ore: Galena
Gangue: Barite
Gangue: Quartz


Comments

Comment (Location): (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

Comment (Production): 1907 AND 1914 ARE ONLY TWO APPARENT YEARS OF PRODUCTION.

Comment (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.

Comment (Workings): 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.


References

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

Reference (Deposit): BLM MINERAL SURVEY MS 19336

Reference (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.


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

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