The Great Northern Mine is a mercury mine located in Siskiyou county, California at an elevation of 3,599 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: 3,599 Feet (1,097 Meters)
Commodity: Mercury
Lat, Long: 41.91667, -122.73111
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.
Great Northern Mine MRDS details
Site Name
Primary: Great Northern Mine
Secondary: Empire Canyon
Secondary: Empire
Secondary: Mercury Mine
Secondary: J.N.P. Mining Company
Secondary: Morgan Brothers Mine
Secondary: Herzog-Morgan
Secondary: Minnehaha
Commodity
Primary: Mercury
Location
State: California
County: Siskiyou
District: Klamath River District
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: J. C. H. Humphrey
Years: 1939 -
Owner Name: Lowe, C. A.
Years: 1939 -
Production
Year: 1962
Time Period: To 1962
Material type: HG
Description: Cp_Grade: ^3-5 Lb/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1919
Discovery Year: 1905
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
Model Name: Silica-carbonate Hg
Orebody
Form: FISSURE FILLING, VUG FILLINGS, AND DISSEMINATED IN VEINS
Structure
Type: L
Description: Shear Zone
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Mercury
Ore: Cinnabar
Gangue: Calcite
Gangue: Pyrite
Comments
Comment (Development): ECON.COM: ORE RESERVES DEPLETED (HOLMES)
Comment (Geology): MINE IS NEAR CONTACT
Comment (Deposit): MAIN VEIN ATTITUDE: N37E, VERTICAL
Comment (Workings): ADITS WITH SEVERAL THOUSAND FEET OF UNDERGROUND WORKINGS
Comment (Deposit): ORE IS DEPLETED ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): HOLMES, G.W., JR., 1965, MERCURY IN CALIFORNIA, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 171, 198.
Reference (Deposit): BAILEY, E.H., U.S. GEOLOGICAL SURVEY, PERSONAL FILES
Reference (Deposit): LOGAN, C.A., 1925, SACRAMENTO FIELD DIVISION, SISKIYOU COUNTY, IN 21ST REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU, P. 495-496.
Reference (Production): USBM DATA
Reference (Deposit): RANSOME, A.L., AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 35, NO. 4, P. 459.
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.
