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
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.
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
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