The North Star is a gold mine located in Nevada county, California at an elevation of 2,402 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: 2,402 Feet (732 Meters)
Commodity: Gold
Lat, Long: 39.19417, -121.14500
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.
North Star MRDS details
Site Name
Primary: North Star
Commodity
Primary: Gold
Secondary: Copper
Secondary: Lead
Secondary: Zinc
Location
State: California
County: Nevada
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Year: 1933
Material type: ORE
Description: Ap_Grade: ^.38 Oz Au/Ton
Year: 1919
Material type: CON
Description: Ap_Grade: ^3180 Lbs. Cu, 222000 Lbs Pb
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: L
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: PINCHS, SWELLS, IRREGULAR
Structure
Type: L
Description: Ne-Striking Fissures, Faulting (Strike N, Dip 50 W)
Alterations
Alteration Type: L
Alteration Text: Oxidized To 5 - 150 Ft. Depth W/High Grade Ore
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Calcite
Gangue: Quartz
Comments
Comment (Workings): STOPED, SHAFTS, DRIFTING, WINZE, RAISES, MANY LEVELS
Comment (Deposit): VEINS, AVG. 16 IN. THICK. GOUGE ZONE AROUND WALLS, SULFIDES AVG. 2 %
Comment (Geology): DIABASE IS BRECCIATED ALONG VEINS
Comment (Deposit): PATENTED 1200 ACRES. CLAIM PART OF EMPIRE STAR MINES CO. INCLUDES GOLD HILL; NEW YORK HILL, NEW ROCKY BAR, GRANITE HILL, CINCINNATI & OTHERS ; INFO.SRC : 1 PUB LIT
Comment (Location): UTM ACC. SW 1/4 34
Comment (Production): 1933 - 34 FIGURES FOR NORTH STAR & EMPIRE MINES. COMBINED PRODUCTION OF GRASS VALLEY HOLDINGS OF NORTH STAR MINES. UP TO END OF 1928 WAS $33,267,734 . CON. AVG. $60 - $125/TON. PRODUCTION YIELD DECREASES W/DEPTH WHILE HORIZONTAL YIELD (PER SQUARE FOOT) INCREASES: $50 - $100 AU/TON 5 - 150 FT. LEVEL, TO 3000 FT. AVG. $20 AU/TON FOR ADDITIONAL PRODUCTION DATA, SEE LOGAN ( 1930 ) P. 121 - 124 .
References
Reference (Deposit): LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 , 394 - 5 .
Reference (Deposit): MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 211 - 224 .
Reference (Deposit): LOGAN, C. A., 1930 , SACRAMENTO FIELD DIVISION: REPORT XXVI OF THE STATE MINERALOGIST; CALIFORNIA DIVISION OF MINES VOL. 26 , NO. 2 , P. 121 - 124 .
Reference (Production): LOGAN, ( 1941 ) MACBOYLE ( 1918 ) LOGAN ( 1930 ) GOODWIN ( 1957 )
Reference (Deposit): GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 57 , NOS 3 AND 4 , P. 582 .
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.
