The Lady Eleanora Mine is a gold and silver mine located in La Plata county, Colorado at an elevation of 8,799 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: 8,799 Feet (2,682 Meters)
Commodity: Gold, Silver
Lat, Long: 37.36306, -108.07583
Map: View on Google Maps
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Lady Eleanora Mine MRDS details
Site Name
Primary: Lady Eleanora Mine
Secondary: Little La Plata Mine
Secondary: Patented Claims: Little La Plata, MS 1374a
Secondary: Little La Plata Mill Site, MS 1374b
Secondary: Red Cloud, MS 1375
Secondary: Unpatented Claims: Lady Eleanora
Secondary: Henrietta
Secondary: Butterfly
Secondary: Florence C.
Commodity
Primary: Gold
Primary: Silver
Secondary: Copper
Secondary: Lead
Tertiary: Zinc
Tertiary: Antimony
Location
State: Colorado
County: La Plata
District: California (La Plata) District
Land Status
Land ownership: Private
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
Owner Name: Kel-Sco Industries
Home Office: Hesperus, Co.
Years: 1965 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1885
Year Last Production: 1923
Discovery Year: 1882
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
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Triassic
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic
Analytical Data
Analytical Data: SAMPLE 3 (SOUTH END), 0.07 TO 2.1 OZ/TON AU AND 1.5 TO 170.3 OZ/TON AG.
Analytical Data: SAMPLE 2 (ROOF), 0.16 OZ/TON AU AND 53.3 OZ/TON AG
Analytical Data: 1.10 OZ/TON AU, 10.1 OZ/TON AG. LITTLE LA PLATA VEIN ASSAYS FROM RAISE: SAMPLE 1 (NORTH END). 0.2 OZ/TON AU AND 51.4 OZ/TON AG
Analytical Data: SAMPLE 2, 0.08 OZ/TON AU, 148 OZ/TON AG. OTHER SURFACE ORE: 10.06 OZ/TON AU, 9.8 OZ/TON AG, 4.48% CU
Analytical Data: SAMPLE 4, 2.88 OZ/TON AU, 10.1 OZ/TON AG, 6.5% CU. MIXED ORE SMELTER ASSAY: 5.3 OZ/TON AU, 1.3 OZ/TON AG, 0.6% PB, 5.7% CU, 0.6% ZN. ORE FROM JUNCTION OF LITTLE LA PLATA AND IDAHO VEINS: SAMPLE 1, 2.8 OZ/TON AU, 3.2 OZ/TON AG, 14.3% CU
Analytical Data: SAMPLE 3, 1.8 OZ/TON AU, 8.6 OZ/TON AG, 9.2% CU
Analytical Data: SAMPLE 2, 4.2 OZ/TON AU, 50 OZ/TON AG, 3.4% CU
Analytical Data: SAMPLE 2, 0.04 OZ/TON AU, 18.6 OZ/TON AG, AND 17.2% CU. SAMPLE FROM 3-FT VEIN IN 15-FT SHAFT ON RED CLOUD CLAIM ASSAYED 0.12 OZ/TON AU AND 155.9 OZ/TON AG. FROM LA PLATA VEIN, FOUR SAMPLES FROM OPEN CUT: SAMPLE 1, 3.9 OZ/TON AU, 14.7 OZ/TON AG, 3.64% PB
Analytical Data: RITTER'S (1930) ASSAYS FROM IDAHO VEIN: SAMPLE 1, 1.38 OZ/TON AU AND 72.6 OZ/TON AG
Materials
Ore: Gold
Ore: Chalcopyrite
Ore: Pyrite
Ore: Galena
Ore: Tetrahedrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Siderite
Gangue: Epidote
Comments
Comment (Deposit): Discovery Year: EARLY 1880S
Comment (Location): (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). ON EAST SIDE OF LA PLATA RIVER BETWEEN SNOWSLIDE GULCH AND BAY CITY GULCH AT WEST BASE OF OHWILER RIDGE, 2.6 MILES SSW OF LA PLATA TOWNSITE (UNSURVEYED SECTION). ; INFO FROM LAND.ST :1974
Comment (Development): PROPERTY ORIGINALLY OPERATED BY LADY ELEANORA CONSOLIDATED GOLD MINES CO. EARLY ORE PRODUCED FROM SURFACE AND SHALLOW WORKINGS. INTERMITTENT PRODUCTION FROM 1906-1923. SMALL FLOTATION CONCENTRATION MILL BUILT IN 1936 PRODUCED SMALL AMOUNT OF CONCENTRATES.
Comment (Production): PARTIAL PRODUCTION RECORD. FIGURES UNAVAILABLE FOR YEARS PRIOR TO 1906, BUT PRODUCTION CONSIDERED SMALL.
Comment (Deposit): COUNTRY ROCK CONSISTS OF SW-DIPPING DOLORES FM RED BEDS INTRUDED BY DIORITE-MONZONITE PORPHYRY DIKES. IN LOWER WORKINGS, SANDSTONE AND SHALE ARE SILICIFIED, AND LIMESTONE CONGLOMERATE IS METAMORPHOSED. IDAHO AND VALLEY VIEW VEINS BELIEVED TO BE EXTENSIONS FROM THOSE NAMED PROPERTIES AND TREND NNW; IDAHO VEIN DIPS STEEPLY NE TO VERTICAL, 0.5 TO 3.5 FT WIDE, AND CONSISTS OF OPEN BRECCIA IN PLACES CONTAINING QUARTZ AND SULFIDES. LITTLE LA PLATA VEIN TRENDS GENERALLY N 22 TO 25 E, 65 TO 80 NW AND LIES IN 1- TO 5-FT-WIDE FRACTURE ZONE CONTAINING 3 INCHES TO 3 FT OF QUARTZ, SIDERITE, AND SULFIDES.
Comment (Workings): PRINCIPAL WORKINGS ARE CROSSCUT TUNNEL DRIVEN S 60 E FOR 320 FT, THENCE S 75 E FOR 150 FT. AT 180 FT FROM PORTAL, 185-FT RAISE DRIVEN ON LITTLE LA PLATA VEIN TO UPPER LEVEL WHICH IS 425-FT DRIFT DRIVEN N 23 E, WITH 10-FT RAISE AT 285 FT. AT 70 FT IN FIRST RAISE IS 500-FT CROSSCUT DRIVEN EAST TO IDAHO VEIN, WITH 100-FT RAISE ON VEIN AT 430 FT. ALSO FROM 185-FT RAISE IS INTERMEDIATE LEVEL DRIVEN NE ON LITTLE LA PLATA VEIN FOR 70 FT. OTHER WORKINGS INCLUDE SHORT CROSSCUT AND DRIFT TUNNELS, SHAFTS, AND OPEN CUTS.
References
Reference (Deposit): COLORADO DIV. MINES INF. REPTS.
Reference (Deposit): BLM MINERAL SURVEYS MS 1374A&B, 1375
Reference (Production): ECKEL AND OTHERS, 1949, P. 134 (AS COMPILED FROM USGS AND USBM RECORDS)
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, 134-135.
Reference (Deposit): RITTER, E.A., 1930, REPORT ON THE LADY ELEANORA CONSOLIDATED GOLD MINES COMPANY, LA PLATA, COLORADO: UNPUB. ENG. REPT., 8 P.
Colorado Mining Photos
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