Summit Mine

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

Name: Summit Mine  

State:  Colorado

County:  San Juan

Elevation: 12,779 Feet (3,895 Meters)

Commodity: Silver, Gold

Lat, Long: 37.71444, -107.53556

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 Summit Mine

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

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.