The Good Hope Mine is a gold and silver mine located in San Juan county, Colorado at an elevation of 12,201 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: 12,201 Feet (3,719 Meters)
Commodity: Gold, Silver
Lat, Long: 37.71917, -107.52972
Map: View on Google Maps
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Good Hope Mine MRDS details
Site Name
Primary: Good Hope Mine
Secondary: Patented Claims: Good Hope, MS 7764
Secondary: Wonder, MS 7764
Commodity
Primary: Gold
Primary: Silver
Secondary: Copper
Secondary: Lead
Tertiary: Zinc
Tertiary: Tellurium
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
Year First Production: 1893
Discovery Year: 1892
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: Associated Rock
Age Young: Oligocene
Name: Rhyodacite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: STEVEN AND OTHERS' (1969) SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSES OF 7 VEIN SAMPLES CONTAINING PYRITE, LIMONITE, SIDERITE, SPHALERITE, AND TETRAHEDRITE SHOWED 30 TO 3000 PPM TI, 30 TO GT 5000 PPM MN, 1 TO 1000 PPM AG, LT 200 PPM AS, 15 TO 300 PPM BA, LT 10 PPM BI, LT 20 TO 20 PPM CD, LT 5 TO 5 PPM CO, LT 5 TO 30 PPM CR, 7 TO 5000 PPM CU, LT 5 TO 7 PPM MO, 2 TO 15 PPM NI, LT 10 TO 500 PPM PB, LT 100 TO 1500 PPM SB, LT 10 PPM SN, LT 100 TO 300 PPM SR, 20 TO 70 PPM V, LT 50 PPM W, LT 200 TO 2000 PPM ZN, 0.03 TO 7 PPM FE. CHEMICAL ANALYSES SHOWED 0.04 TO 26 PPM AU, LT 10 TO 6600 PPM CU, LT 25 TO 1400 PPM PB, LT 25 TO 1500 PPM ZN, 8 TO 60 PPM MO, LT 10 TO 80 PPM AS, GT 100 PPM SB, 0.12 TO GT 6 PPM HG, 4.1 TO 680 PPM TE, 1.2 TO 760 PPM AG.
Materials
Ore: Galena
Ore: Sphalerite
Ore: Chalcocite
Ore: Bornite
Ore: Marcasite
Ore: Tetrahedrite
Ore: Chalcopyrite
Ore: Sylvanite
Ore: Petzite
Ore: Calaverite
Gangue: Barite
Gangue: Limonite
Gangue: Hematite
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Deposit): MINE DEVELOPED ON NNE-TRENDING QUARTZ VEIN IN NORTH PART OF CENTRALLY CONCENTRATED ZONE OF PRODUCTIVE VEINS. PORTAL LIES APPROX ON TWO EAST-WEST-TRENDING FAULTS SEPARATING IRVING FM (ON NORTH) FROM UNCOMPAHGRE FM QUARTZITE (ON SOUTH) IN EAST-WEST-TRENDING QUARTZITE FAULT BLOCK.
Comment (Workings): ONE TUNNEL HEADING GENERALLY SOUTHWARD AND ONE RAISE, BOTH OF UNKNOWN EXTENT.
Comment (Development): MINE REPORTEDLY WAS FIRST OPERATING PROPERTY IN DISTRICT
Comment (Location): (LAND STATUS AND ADMINISTRATIVE AREA LOCATIONS CALCULATED USING GIS OVERLAY ANALYSIS FOR SAN JUAN N. F.). EAST OF CONTINENTAL DIVIDE ON UNNAMED TRIBUTARY OF BEAR CREEK 1.5 MILES WSW FROM BEARTOWN SITE (UNSURVEYED SECTION). ; INFO FROM LAND.ST :41? 01 1977
References
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.
Reference (Deposit): STEVEN, T.A., AND OTHERS, 1974, 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): BLM MINERAL SURVEY MS 7764
Reference (Deposit): PROSSER, W.C., 1911, THE BEAR CREEK SYLVANITE CAMP, COLORADO: ENG. MINING JOUR., V. 91, P. 712.
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