Jamestown Mine

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

Name: Jamestown Mine  

State:  California

County:  Tuolumne

Elevation:

Commodity: Gold

Lat, Long: 37.95, -120.41667

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.


Satelite image of the Jamestown Mine

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

"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.