Patsy Bob Mine

The Patsy Bob Mine is a gold mine located in Calaveras 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: Patsy Bob Mine  

State:  California

County:  Calaveras

Elevation:

Commodity: Gold

Lat, Long: 38.00083, -120.50472

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 Patsy Bob Mine

Patsy Bob Mine MRDS details

Site Name

Primary: Patsy Bob Mine
Secondary: Rio Vista


Commodity

Primary: Gold
Tertiary: Lead
Tertiary: Copper


Location

State: California
County: Calaveras


Land Status

Not available


Holdings

Not available


Workings

Type: Surface/Underground


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: PINCH & SWELL


Structure

Type: L
Description: Ore Zone Of Faults And Veins - 240 Ft Thick.


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: ASSAYS OF ORE ZONE SAID TO AVERAGE $13.50/TON


Materials

Ore: Pyrite
Ore: Gold
Ore: Galena
Gangue: Quartz


Comments

Comment (Geology): 1/2 IN TO 2 FT THICK VEINS, SMALL, PARALLEL, 6 - IN TO 8 - FT APART; TOTAL THICKNESS OF ZONE 240 FT. PORPHYRY DIKE INTRUSION ON FOOTWALL ACCOUNTS FOR ENRICHMENT. MINERALIZED ZONE IS FAIRLY WELL FAULTED. HANGING WALL SAID TO BE SLATE W SOME ANDELUSITE.

Comment (Location): UTM EST. NE 1/4 26 NW 1/4 25 ON WEST SLOPE OF STANISLAUS RIVER

Comment (Deposit): VEIN

Comment (Workings): 450 - FT LONG OPEN CUT, 100 FT ADIT. OTHER CAVED OPEN CUTS, SHAFTS, ADITS.


References

Reference (Deposit): CLARK, W. B., & LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 173 & PL B

Reference (Deposit): ERIC, J. H., STROMQUIST, A. A., & SWINNY, C. M., 1955 , GEOL. OF THE ANGELS CAMP AND SONORA QUADS., CALAVERAS & TUOLOMNE COS.: CALIF. DIV. MINES SPEC. REPORT, 41 , P. 50 & PL 4

Reference (Deposit): LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 281 - 282 - 317

Reference (Production): CLARK, 1962


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.