The West Ranch Deposit is a tungsten mine located in Park county, Colorado at an elevation of 8,799 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: 8,799 Feet (2,682 Meters)
Commodity: Tungsten
Lat, Long: 38.73556, -105.52639
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.
West Ranch Deposit MRDS details
Site Name
Primary: West Ranch Deposit
Secondary: West Deposit
Commodity
Primary: Tungsten
Location
State: Colorado
County: Park
District: Guffey District
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
Owner Name: G. D. West
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
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
Not available
Orebody
Form: LENSOID, TABULAR, POD-LIKE
Structure
Type: R
Description: Thirtyone Mile Mountain Volcanic Center, Front Range, Guffey Volcanic Center
Type: L
Description: Currant Creek Fault And Related Nw-Trending Faults; Ilse Fault
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Scheelite
Gangue: Garnet
Gangue: Epidote
Gangue: Quartz
Gangue: Actinolite
Gangue: Grossularite
Gangue: Calcite
Gangue: Chlorite
Comments
Comment (Geology): LIME-SILICATE BEDS FOLLOW SCHISTOSITY; THE HOST SKARN IS "GIANT-GRAINED"
Comment (Location): ONE MILE SOUTH OF GUFFEY BY ROAD AND 0.25 MILES EAST OF THE JUNCTION OF COLORADO HWY 9 AND THE GUFFEY ROAD ; INFO FROM LAND.ST :1976; 1:24000 QUADRANGLE MAP IS A 1982 EDITION
Comment (Commodity): SCHEELITE OCCURS AS SUBHEDRAL TO EUHEDRAL CRYSTALS TO 0.8 INCHES ON AN EDGE, AND AS GRAINS, FLAKES, COATINGS. THE LARGER CRYSTALS FLUORESCE BLUE-WHITE IN THE CENTERS. MILKY WHITE CRYSTALS IN ORDINARY LIGHT. NARROW MARGINS FLUORESCE YELLOW.
Comment (Workings): SHALLOW TRENCHES
References
Reference (Deposit): BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO; USBM INFORMATION CIRCULAR 7748, P. 19-26.
Reference (Deposit): EPIS, R.C., WOBUS, R.A., AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE BLACK MOUNTAIN QUADRANGLE, FREMONT AND PARK COUNTIES, COLORADO: USGS MAP I-1195, 1:62,500
Reference (Deposit): HEINRICH, E.W., 1981, PRECAMBRIAN TUNGSTEN AND COPPER-ZINC SKARN DEPOSITS OF SOUTH-CENTRAL COLORADO. CGS RESOURCE SERIES 21, 115 P.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
