The Iron Dike is a copper mine located in Plumas county, California at an elevation of 4,199 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: 4,199 Feet (1,280 Meters)
Commodity: Copper
Lat, Long: 40.06472, -120.84333
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.
Iron Dike MRDS details
Site Name
Primary: Iron Dike
Secondary: Copper Bull
Secondary: Iron Dyke
Secondary: Montgomery
Commodity
Primary: Copper
Location
State: California
County: Plumas
District: Taylorsville
Land Status
Land ownership: National Forest
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
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: PETTINGER VEIN: 12 % CU,
Materials
Ore: Malachite
Ore: Chalcopyrite
Gangue: Quartz
Comments
Comment (Deposit): TWO MAJOR VEINS; PETTINGER VEIN, AN IMPERFECT QUARTZ VEIN IN SLATE, STRIKING N 54 W, DIPS 50 SW, LENGTH PROVEN ON SURFACE 2500 FT. THE IRON DIKE VEIN, A SOLID NON-NICKELIFEROUS PYRRHOTITE IN SHEAR ZONE OF SANDSTONE NEAR WITH SERPENTINE, AND MONTGOMERY LIMESTONE OF THE GRIZZLY FORMATION AND TAYLOR CONGLOMERATE. VEIN VARIES FROM 10 - 50 FT. IN WIDTH, STRIKES N 13 W, DIPS 50 SW., WITH PROVEN LENGTH OF 2500 FT., TWO VEINS INTERSECT. ORE OCCURS AT INTERVALS-NOT WELL DEFINED SHOOTS.
Comment (Workings): MAIN TUNNEL NOW ( 1928 ) IN 700 FT. IS 200 FT. BELOW SURFACE IN PARTLY OXIDIZED MATERIL - OTHER TUNNELS AGGREGATE 2000 FT., ONE 60 FT. SHAFT ON PETTINGER VEIN. NEW WORKINGS ( 1936 ) INCLUDE A TUNNEL WHICH RUNS EAST AND STRIKES FOUR VEINS, FIRST ONE AT 350 FT. SECOND AT 400 FT., THIRD AT 450 FT., FOURTH AT 500 FT. SOME DRIFTING ON SECOND VEIN FOR ABOUT 300 FT., ALONG WITH A RAISE OF 30 FT. SOME CHALCOPYRITE ON THIRD VEIN.
Comment (Geology): GEOL.DESC: HANGING (?) WALL-LIMESTONE, FOOT (?) WALL SANDSTONE AND FINE CONGLOMERATE. COUNTY ROCK IN WHICH FOUR SMALLER VEINS FOUND-SAID TO PROBABLY BE META-ANDESITE.
Comment (Deposit): COMPRISED OF 160 ACRES.
References
Reference (Deposit): AVERILL, C.V., 1937 , MINERAL RESOURCES OF PLUMAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 33 , NO. 2 ; DIV. OF MINES, P. 95
Reference (Deposit): MAC BOYLE, E., 1918 , PLUMAS COUNTY; 16TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 135 - 136
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
