The Summit Mine is a silver and gold mine located in San Juan county, Colorado at an elevation of 12,779 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: 12,779 Feet (3,895 Meters)
Commodity: Silver, Gold
Lat, Long: 37.71444, -107.53556
Map: View on Google Maps
Satelite View
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Summit Mine MRDS details
Site Name
Primary: Summit Mine
Commodity
Primary: Silver
Primary: Gold
Secondary: Copper
Secondary: Lead
Tertiary: Tellurium
Tertiary: Zinc
Tertiary: Antimony
Location
State: Colorado
County: San Juan
District: Beartown (Bear Creek) District
Land Status
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
Deposit Type: Vein
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Model Name: Alkaline Au-Te (Au-Ag-Te veins)
Orebody
Not available
Structure
Type: R
Description: San Juan Uplift, San Juan Volcanic Field
Type: L
Description: San Juan Uplift, Unnamed Fault
Alterations
Not available
Rocks
Name: Rhyodacite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Rhyodacite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Name: Rhyodacite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: STEVEN AND OTHERS' (1969) SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSES OF THREE PYRITE-BEARING VEIN SAMPLES FROM NORTH AND SOUTH PORTIONS OF EAST VEIN AND CENTRAL PORTION OF WEST VEIN SHOWED 300 TO 3000 PPM TI, 70 TO 150 PPM MN, 7 TO 200 PPM AG, LT 200 TO 500 PPM AS, 200 TO 300 PPM BA, LT 10 PPM BI, LT 20 PPM CD, LT 5 PPM CO, 5 TO 15 PPM CR, 30 TO 300 PPM CU, LT 5 TO 7 PPM MO, 2 TO 3 PPM NI, 50 TO 100 PPM PB, 100 TO 1500 PPM SB, LT 10 PPM SN, LT 100 TO 150 PPM SR, 30 TO 70 PPM V, LT 50 PPM W,LT 200 PPM ZN, 0.07 TO 15 PPM FE. CHEMICAL ANALYSES SHOWED 21 TO 190 PPAU, 48 TO 240 PPM CU, LT 25 TO 32 PPM PB, LT 25 TO 60 PPM ZN, 8 TO 12 PPM MO, 10 TO 150 PPM AS, GT 100 PPM SB, 4 TO GT 6 PPM HG, 90 TO 350 PPM TE, 29 TO 260 PPM AG.
Materials
Ore: Bornite
Ore: Marcasite
Ore: Calaverite
Ore: Sphalerite
Ore: Galena
Ore: Tetrahedrite
Ore: Chalcopyrite
Ore: Petzite
Ore: Sylvanite
Ore: Chalcocite
Gangue: Barite
Gangue: Calcite
Gangue: Hematite
Gangue: Quartz
Gangue: Limonite
Comments
Comment (Commodity): TELLURIDES, CU-PB-ZN SULFIDES, AND OXIDIZED ORES LISTED ARE REPORTED GENERALLY FOR DISTRICT AND NOT SPECIFICALLY MENTIONED AT THIS MINE. MINOR PRODUCTION OF CU AND PB LIKEWISE NOT VERIFIED.
Comment (Deposit): MINE DEVELOPED ON ONE OR TWO NNE-TRENDING QUARTZ VEINS IN EAST-WEST-TRENDING QUARTZITE FAULT BLOCK IN SMALL CONCENTRATED ZONE OF FISSURES WEST OF CENTRALLY CONCENTRATED ZONE OF PRODUCTIVE VEINS.
Comment (Workings): ONE TUNNEL OF UNKNOWN EXTENT
Comment (Location): (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). ON WEST SIDE OF UNNAMED PEAK ON CONTINENTAL DIVIDE 0.45 MILE NE OF ELDORADO LAKE AND 1.9 MILES SW OF BEARTOWN SITE (UNSURVEYED SECTION)9 ; INFO FROM LAND.ST :41? 01 1977
References
Reference (Deposit): STEVEN, T.A., AND OTHERS, 19748 GEOLOGIC MAP OF THE DURANGO QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP I-764.
Reference (Deposit): CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.
Reference (Deposit): STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 67-71, 89-90, 168-171.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.