The Gem is a gold mine located in Tuolumne county, California.
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
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.
Gem MRDS details
Site Name
Primary: Gem
Secondary: Gem & Senate ?
Commodity
Primary: Gold
Tertiary: Lead
Location
State: California
County: Tuolumne
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: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Galena
Ore: Pyrite
Comments
Comment (Location): LOCATION APPROXIMATED
Comment (Commodity): ORE RICH IN SULFIDES
Comment (Production): NO PRODUCTION FIGURE FOUND.
Comment (Deposit): KIDNEY SHAPED ORE FROM VEINS
Comment (Workings): CROSSCUT ADIT 380 FT. INTERSECTING VEIN 230 FT FROM PORTAL WITH 200 FT OF DRIFT AND 50 FT. WINZE ON GEM VEIN.
Comment (Geology): GEOL.DESC: BOTH GEM AND SENATE VEINS, ON ADJACENT CLAIMS HAVING A POSING ORIENTATIONS. THE SENATE VEIN STRIKES N 15 W, AND DIPS 60 NE. BOTH VEINS HAVE AVERAGE THICKNESS OF 18 INCHES
Comment (Deposit): THIS MINE IS ONE OF SEVERAL CLAIMS IN A GROUP LISTED AS FOLLOWS: GEM, REPRESENTATIVE, SENATE, EDITH, CONGRESS, ASSEMBLY, IOLA, FAITH PLACER MINE, HOPE PLACER MINE, AND CHARITY PLACER MINE.
References
Reference (Deposit): TUCKER, W.B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P 149
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.
