The Ophir Valley is a molybdenum mine located in San Miguel county, Colorado.
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
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.
Ophir Valley MRDS details
Site Name
Primary: Ophir Valley
Secondary: Nevada Gulch, Silver Tip Lower Yellow Jacket, Chapman Gulch
Secondary: New Dominion
Commodity
Primary: Molybdenum
Location
State: Colorado
County: San Miguel
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: 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 veins
Orebody
Form: ELLIPTICAL CHIMNEY (NEVADA GULCH)
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Molybdite
Ore: Molybdenite
Ore: Ferrimolybdite
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Galena
Comments
Comment (Geology): METAMORPHOSED SEDIMENTARY ROCKS (YELLOW JACKET, N. DOMINION).
Comment (Workings): CHAPMAN IS ASSOCIATED WITH A PORPHYRITIC QTZ MONZONITE PLUG
References
Reference (Deposit): VHAY, J.S., VARNES, D.J., 1943, PRELIMINARY REPT ON MOLYBDENUM PROSPECTS, OPHIR VALLEY, SAN MIGUEL COUNTY, COLO: UNPUB REPT
Reference (Deposit): WORCESTER, 1919, MOLYBDENUM DEPOSITS IN COLO.: COLO. G.S. BULL. 14
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
