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
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.
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" 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.