The Mammoth Mine Folk, Armstrong, San Francisco, Big Bonanza and Mammoth is a silver, gold, lead, and copper mine located in Mono 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: Mammoth Mine Folk, Armstrong, San Francisco, Big Bonanza and Mammoth
State: California
County: Mono
Elevation:
Commodity: Silver, Gold, Lead, Copper
Lat, Long: 37.61278, -118.99778
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.
Mammoth Mine Folk, Armstrong, San Francisco, Big Bonanza and Mammoth MRDS details
Site Name
Primary: Mammoth Mine Folk, Armstrong, San Francisco, Big Bonanza and Mammoth
Commodity
Primary: Silver
Primary: Gold
Primary: Lead
Primary: Copper
Location
State: California
County: Mono
District: Mammoth Lakes
Land Status
Land ownership: National Forest
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: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
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
Not available
Materials
Not available
Comments
Comment (Production): $200,000 IN GOLD
Comment (Workings): 4 TUNNELS TO SOUTHEAST ALL OVER 150' LONG, CROSSCUTS AND STOPE. WORKINGS ALL INACCESSIBLE IN 1940.
Comment (Geology): GEOL.DESC: VEIN OCCURS IN SILICEOUS, CRYSTALLINE ROCK, STRIKE GENERALLY NW, DIP 70 DEG. TO 80 DEG. NE, OVER 100' WIDE IN PLACES; FILLING IS QUARTZ AND DECOMPOSED WALL ROCK. THE BULLION PRODUCED FROM THIS MINE WHEN UNDER OPERATION REPORTED TO HAVE BEEN VALUED AT $7 TO $16 PER OUNCE.
Comment (Deposit): NO EVIDENCE OF MINERAL IN SEC. 10
References
Reference (Deposit): CALIF. V. 36, NO. 2, P. 127 AND PL. 1
Reference (Deposit): REPT. 23, OCT. 1927, P. 384-5; REPT. 12, P. 178 & 181
Reference (Deposit): CALIF. B. 144, P. 274; V. 30, NO. 1, P. 85-86; V. 53, NOS. 3 AND 4, P. 563-4; ADD. REF.: U.S.G.S. PROF. PAPER 385, P. 98, PL. 1
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.
