The Hopemore Mine is a gold, lead, zinc, and silver mine located in Lake county, Colorado at an elevation of 11,483 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: 11,483 Feet (3,500 Meters)
Commodity: Gold, Lead, Zinc, Silver
Lat, Long: 39.24667, -106.23778
Map: View on Google Maps
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Hopemore Mine MRDS details
Site Name
Primary: Hopemore Mine
Secondary: Comstock-Hopemore-Hunter (Robert Burns) group
Commodity
Primary: Gold
Primary: Lead
Primary: Zinc
Primary: Silver
Secondary: Iron
Secondary: Copper
Location
State: Colorado
County: Lake
District: Leadville District
Land Status
Not available
Holdings
Type: Patented
Type: Located Claim
Type: Unknown
Workings
Not available
Ownership
Owner Name: Leadville Mining And Milling Co.
Percent: 100.0
Home Office: New York
Info Year: 1997
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Plant Type: Beneficiation (Mill)
Operation Type: Underground
Mining Method: Unknown
Milling Method: Flotation
Year First Production: 1997
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Model Name: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Specularite
Ore: Pyrite
Ore: Magnetite
Ore: Gold
Ore: Galena
Ore: Chalcopyrite
Gangue: Serpentine
Gangue: Quartz
Comments
Comment (Reserve-Resource): A 1990 report details many exploration targets for orebodies. (Sunshine files)
Comment (Geology): Ibex #4 fault vein (one of the longest and best mineralized in the district) passes through the mine area. Massive replacement deposits of magnetite-specularite are also present.
Comment (Location): Hopemore shaft is 800 feet NW of Ibex #4 shaft, about 2-1/2 miles east of Leadville, in SE/4 SE/4 sec 20 T 9 S, R 79 W.
Comment (Names): Different from the Comstock mine about 1 mile to the south on Whites Hill.
Comment (Reserve-Resource): About 121,000 tons of proven and probable reserves, grading 0.18 oz/ton gold, 8.63 oz/ton silver, 3.98% lead, 12.2% zinc, and 0.35% copper are reported. (Sunshine files, 1992)
Comment (Commodity): Iron occurs as masssive replacement deposits of magnetite skarn in Leadville Limestone.
Comment (Deposit): THE BUREAU OF MINES DISCLOSED A MAGNETIC ANOMALY HERE IN 194
Comment (Economic Factors): BALL MILL, DUAL GRAVITY & FLOTATION CIRCUITS:
References
Reference (Reserve-Resource): RANDOL MINING DIRECTORY, 1996/97, U.S. MINES & MINING COMPANIES, P. 175
Reference (Deposit): SKILLINGS MINING REVIEW, APRIL 5, 1997, P. 22; JULY 26, 1997, P. 10.
Reference (Deposit): MINE MAP REPO #400187
Reference (Deposit): Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.
Reference (Deposit): Emmons, S. F., Irving, J. D., and Loughlin, G. F., 1927, Geology and ore deposits of the Leadville mining district, Colorado: U.S. Geological Survey Professional Paper 148.
Reference (Deposit): THE MINING RECORD, VOL., 108, #9, FEB 26, 1997, P. 3.
Reference (Deposit): RANDOL MINING DIRECTORY, 1996/97, U.S. MINES & MINING COMPANIES, P. 175
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