The Hardhat Workings is a molybdenum and copper mine located in Nye county, Nevada at an elevation of 4,931 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: 4,931 Feet (1,503 Meters)
Commodity: Molybdenum, Copper
Lat, Long: 37.22361, -116.05833
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.
Hardhat Workings MRDS details
Site Name
Primary: Hardhat Workings
Secondary: Pile-Driver Adit?
Commodity
Primary: Molybdenum
Primary: Copper
Location
State: Nevada
County: Nye
District: Oak Spring District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: 3 Joint Sets (1) Nw, Near Vertical (2) Nne, Near Vertical (3) Ne, 20-35 Ne
Alterations
Alteration Type: L
Alteration Text: Potassic Alteration; Chloritic Alteration
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Molybdenite
Gangue: Quartz
Gangue: Kaolinite
Gangue: Pyrite
Comments
Comment (Development): IN USE AS A HIGH-LEVEL NUCLEAR STORAGE FACILITY
Comment (Deposit): 3 JOINT SETS. MOLYBDENITE FLAKES AND AGGREGATES ALONG JOINTS, IN QUARTZ VEINLETS PEGMATITE DIKELETS, AND IN WALL ROCK ADJACENT TO THESE STRUCTURES, COMMONLY WITH PYRITE
Comment (Workings): 780-FT SHAFT WITH 600-FT CROSSCUT AT BOTTOM SUNK BY AEC IN 1962.
References
Reference (Deposit): QUADE, J., 1983, FIELD EXAMINATION ON MAR. 23, 1983
Reference (Deposit): SCHILLING, JOHN, 1968, NOTES, NBMG FILE 243, ITEM 4.
Reference (Deposit): SCHILLING, JOHN, 1968, MOLYBDENUM RESOURCES OF NEVADA, NBMG OFR 79-3.
Nevada Gold
Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.
