The Jamestown Mine 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.
Jamestown Mine MRDS details
Site Name
Primary: Jamestown Mine
Secondary: Includes Harvard
Secondary: Crystalline
Secondary: Dutch App
Secondary: Nyman
Secondary: Jumper
Secondary: And Rawhide Mines
Commodity
Primary: Gold
Secondary: Silver
Location
State: California
County: Tuolumne
District: Jamestown
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Sonora Mining Corp., Subsid. Of Sonora Gold Corp.
Production
Year: 1916
Time Period: 1899-1916
Material type: AU
Description: Cp_Grade: ^0.12 Oz/Ton Au
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1899
Discovery Year: 1850
Years of Production:
Organization:
Significant: Y
Deposit Size: L
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Model Name: Low-sulfide Au-quartz vein
Orebody
Not available
Structure
Type: R
Description: Melones Fault Zone
Alterations
Alteration Type: L
Alteration Text: Carbonatization
Rocks
Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Silver
Ore: Pyrite
Ore: Gold
Gangue: Sericite
Gangue: Ankerite
Gangue: Talc
Gangue: Quartz
Comments
Comment (Reserve-Resource): LINE 1: HARVARD MINE; LINE 2: CRYSTALLINE MINE; LINE 3: DUTCH APP MINE; LINE 4: NYMAN MINE; LINE 5: JUMPER MINE; LINE 6: RAWHIDE MINE.
Comment (Development): LARGEST GOLD FLOTATION MILL IN U. S.
References
Reference (Deposit): BLISS, JAMES D., AND JONES, GAIL M., 1988, MINERALOGIC AND GRADE-TONNAGE INFORMATION ON LOW-SULFIDE AU-QUARTZ VEINS: U. S. GEOLOGICAL SURVEY OPEN-FILE REPORT 88-229, 99 P.
Reference (Production): ALLGOOD AND OTHERS, 1985.
Reference (Deposit): MINING MAGAZINE, JAN., 1988, P. 50.
Reference (Deposit): SKILLINGS' MINING REVIEW STAFF, 1984, SONORA GOLD CORP.'S PROJECT FOR OCT. 1984-START UP IN MOTHER LODE: VOL. 73, NO. 20, MAY 19, P. 2-4.
Reference (Deposit): ALLGOOD, G. M., LOVEJOY, M. E., AND ALLGOOD, R. W., 1985, JAMESTOWN GOLD MINE, TUOLUMNE COUNTY, CALIFORNIA: SONORA MINING CORPORATION, 6 P.
Reference (Deposit): ARGALL, GEORGE O., JR., 1987, SONORA GOLD MAKES FLOTATION CONCENTRATES AT JAMESTOWN: ENGINEERING AND MINING JOURNAL, DEC., P. 38-39.
Reference (Deposit): JULIHN, C. E., AND HORTON, F. W., 1940, MINES OF THE SOUTHERN MOTHER LODE REGION, PART II-TUOLUMNE AND MARIPOSA COUNTIES: U. S. BUREAU OF MINES BULLETIN 424, 179 P.
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.
