The Johnson Ranch Prospect is a tungsten mine located in Park county, Colorado at an elevation of 8,901 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: 8,901 Feet (2,713 Meters)
Commodity: Tungsten
Lat, Long: 38.70056, -105.47833
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.
Johnson Ranch Prospect MRDS details
Site Name
Primary: Johnson Ranch Prospect
Commodity
Primary: Tungsten
Location
State: Colorado
County: Park
District: Guffey District
Land Status
Land ownership: BLM Administrative Area
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: Mining Ventures, Inc.
Years: 1955 -
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: Thirty One Mile Mountain Volcanic Center, Front Range
Type: L
Description: Currant Creek Fault And Related Nw-Trending Faults
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
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
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Scheelite
Gangue: Chlorite
Gangue: Quartz
Gangue: Epidote
Gangue: Garnet
Comments
Comment (Location): INFO FROM LAND.ST :1976
Comment (Commodity): SCHEELITE OCCURS AS CRYSTALS, GRAINS, FLAKES, COATINGS
Comment (Development): OPERATOR HELD OPTION ON MINERAL RIGHTS
Comment (Workings): SHALLOW PITS, TRENCHES
References
Reference (Deposit): WOBUS, R.A., EPIS, R.C., SCOTT, G.R., 1979, GEOLOGIC MAP OF THE COVER MOUNTAIN QUADRANGLE, FREMONT, PARK, AND TELLER COUNTIES, COLORADO: USGS MAP I-1179, 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.
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.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
