The Wilfley-Kimberly Mine is a gold, lead, zinc, and silver mine located in Summit county, Colorado at an elevation of 10,600 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: 10,600 Feet (3,231 Meters)
Commodity: Gold, Lead, Zinc, Silver
Lat, Long: 39.43389, -106.19750
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Wilfley-Kimberly Mine MRDS details
Site Name
Primary: Wilfley-Kimberly Mine
Secondary: Wilfley Adit (Tunnel)
Secondary: Delphose Tunnel
Secondary: Kimberly Tunnel
Commodity
Primary: Gold
Primary: Lead
Primary: Zinc
Primary: Silver
Secondary: Copper
Location
State: Colorado
County: Summit
District: Tenmile - Kokomo
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.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1965
Time Period: 1902-65
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Model Name: Polymetallic replacement
Orebody
Not available
Structure
Type: L
Description: SW flank of Kokomo syncline, many small high-angle faults
Alterations
Alteration Type: L
Alteration Text: silicification (jasperoid)
Rocks
Name: Porphyry
Role: Associated
Age Type: Associated Rock
Age Young: Tertiary
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Pennsylvanian
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Pyrrhotite
Ore: Pyrite
Ore: Galena
Gangue: Siderite
Comments
Comment (Production): The Wilfley-Kimberly was one of the major producers in the district. Rich oxidized silver-lead ore was mined in the early days, but records of production before 1902 are unavailable. Total production from 1902 to 1965: gold - 4,485 oz, silver - 203,358 oz, copper - 7,759 lb, lead - 2,313,880 lb, zinc - 9,183,746 lb.
Comment (Production): Production grouped with Kimberly mine
Comment (Development): In 1895 the Wilfley concentrating table was developed and used here to successfully separate mixed sulfide ores of lead and zinc.
Comment (Geology): Replacement ore bodies are in the White Quail Limestone that dips NE into the Kokomo syncline at 20 to 35 degrees. Many north- to NE-trending, high-angle faults of small displacement probably served as channels for ore fluids and are mineralized also.
Comment (Location): Adits on west side of Searle Gulch, about 1 mile NW of Kokomo (townsite), in the NE/4 sec 22, T 7 S, R 79 W.
Comment (Commodity): Gangue contains jasperoid.
Comment (Reserve-Resource): 500,000 tons in 5 blocks, half of which is judged to be recoverable (1949 Sunshine file report)
References
Reference (Deposit): Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.
Reference (Deposit): Bergendahl, M. H., and Koschmann, A. H., 1971, Ore deposits of the Kokomo-Tenmile district, Colorado: U.S. Geological Survey Professional Paper 652, 53 p.
Reference (Deposit): Koschmann, A. H., and Wells, F. G., 1946, Preliminary report on the Kokomo mining district, Colorado: Colorado Scientific Society Proceedings, v. 15, no. 2, p. 51-112.
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