The Jumper & Golden Rule Group is a gold mine located in Tuolumne county, California at an elevation of 1,348 feet.
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
Elevation: 1,348 Feet (411 Meters)
Commodity: Gold
Lat, Long: 37.91, -120.41333
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.
Jumper & Golden Rule Group MRDS details
Site Name
Primary: Jumper & Golden Rule Group
Commodity
Primary: Gold
Secondary: Silver
Location
State: California
County: Tuolumne
District: Mother Lode Belt
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
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: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: FREE MILLING GOLD ORE OCCURS WITH 2 % PYRITE
Materials
Ore: Gold
Ore: Pyrite
Gangue: Ankerite
Gangue: Quartz
Comments
Comment (Production): MOSTLY LOW GRADE ORE PRODUCED
Comment (Geology): GEOL.DESC: THE JUMPER MINE WORKED ALONG A DIKE, INTRUDED BETWEEN AMPHIBOLITE SCHIST WALLS WHERE SMALL VEINS AND QUARTZ STRINGERS CUT THE 5 TO 50 FT. THICK SCHISTOSE ZONE. THIS MINE DIFFERENT FROM OTHER MINES ON THE MOTHER LODE, AT THIS LOCALITY, IN THAT NO CONTINUOUS ORE SHOOTS OCCUR. THE FOOTWALL OF THE VEIN IS A HARD ALTERED DIORITE AND SERPENTINE WITH A DIORITE AND DIABASE HANGING WALL.
Comment (Deposit): THIS GROUP OF CLAIMS INCLUDED JUMPER, NEW ERA, AND GOLDEN RULE MINES.
Comment (Deposit): POCKET GOLD WAS COMMON HERE.
Comment (Workings): 3 INCLINED SHAFTS; NEWS ERA 1400 FT, GOLDEN RULE 500 FT., WEST VEIN SHAFT 200 FT. WINZE AT 1400 FT. LEVEL ON NEW ERA, 400 FT.; WINZE AT 493 FT. LEVEL OF GOLDEN RULE, 800 FT. ON 70 DEGREE INCLINE.
References
Reference (Deposit): TUCKER, W.B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 152 - 153
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.
