The Roff is a gold mine located in Siskiyou county, California at an elevation of 3,150 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: 3,150 Feet (960 Meters)
Commodity: Gold
Lat, Long: 41.36167, -122.86778
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.
Roff MRDS details
Site Name
Primary: Roff
Secondary: Cory Or Bridger
Commodity
Primary: Gold
Location
State: California
County: Siskiyou
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: ASSAYED $9/TON IN GOLD FROM MILLING (GOLD AT $20/OZ) DIKE ASSAYED AT $1.50/TON IN GOLD (GOLD AT $20/OZ.). IN 50 FT. ADIT AT 30 FT. DEPTH, AVG. IS $0.80 AND FOR LAST 10 FT. IS $1. 0.44 OZ. AU REPORTED FROM PIT.
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Location): UTM SE 1/4 NW 1/4
Comment (Production): ORE HAULED TO MILL BELOW NO PRODUCTION RECORD FOUND
Comment (Deposit): VEIN, 18 IN. THICK IN SEC. 34. 50 FT. THICK DIKE IN SEC. 27
Comment (Deposit): 1 PATENTED AND 3 UNPATENTED CLAIMS. 80 ACRES ; INFO.SRC : 1 PUB LIT
Comment (Workings): 18 FT. SHAFT, 150 FT. DRIFT-ADIT 100 FT. LOWER. STOPE. 100 FT. BELOW ADIT IS 100 FT. CROSSCUT WITH 6 FT. OF DRIFTS. 120 FT BELOW IS A 320 FT. ADIT THOUGHT TO PARALLEL VEIN. 120 FT. ADIT ON NEXT CLAIM TO SOUTH WITH 100 FT. OF DRIFTS; VEIN WAS STOPED OUT TO SURFACE, 60 FT. ABOVE. SECOND CLAIM TO SOUTH HAS 520 FT. CROSSCUT ADIT THAT DIDN'T REACH VEIN-PRESUMABLY FROM VEIN OFFSET. ANOTHER ADIT TO SOUTH.
References
Reference (Deposit): SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V2, P. 140
Reference (Deposit): AVERILL, C. V., 1935, MINES AND MINERAL RESOURCES OF SISKIYOU COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 31, NO. 3, P. 306 PL. 4
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.
