The Standard Hill is a gold and silver mine located in Mono county, California at an elevation of 8,376 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: 8,376 Feet (2,553 Meters)
Commodity: Gold, Silver
Lat, Long: 38.22083, -118.99917
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Standard Hill MRDS details
Site Name
Primary: Standard Hill
Commodity
Primary: Gold
Primary: Silver
Location
State: California
County: Mono
District: Bodie
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: J. S. Cain Co.
Production
Year: 1947
Time Period: 1907 - 1947
Material type: ORE
Description: Cp_Grade: ^Yield 1,500,000 Oz. Fine Au And 5,000,000 Oz. Ag From Bonanza Zone.
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1860
Discovery Year: 1860
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: TRUNCATED WEDGE, PARALLEL VEINS, SEAMS
Structure
Type: R
Description: West Side Of Sierra Nevada Mts. Major Nw - Trending Faults.
Type: L
Description: Moyle Fault Cuts Bonanza Ore Body On Western Limits.
Alterations
Alteration Type: L
Alteration Text: Alteration Of "Red Dikes" To Clay
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Gangue: Talc
Gangue: Sericite
Comments
Comment (Production): ORE WAS TREATED BY SIMPLE CYANIDATION, FREE - MILLING, LARGE AMOUNT OF AU WAS FREE & RECOV. BY AMALGAMATION. TOTAL PRODUCTION FOR BONANZA ZONE THRU 1947 WAS 1.25 - 1.5 MILLION OZ. AU AND 5 - 10 MILLION OZ. AG.
Comment (Deposit): 19 PATENTED CLAIMS, 11 UNPATENTED LODE LOCATIONS, 4 MILL SITES AND SPRINGS, APPROXIMATING 1000 ACRES. ALL OF THE INFORMATION IN THIS REPORT IS FROM MCCLUSKEY'S UNPUBLISHED REPORT. NUMEROUS OTHER PUBLISHED REPORTS ON THE BODIE DISTRICT AND STANDARD HILL EXIST AND ARE REFERENCED UNDER INDIVIDUAL MINE REPORTS IN THE DISTRICT.
Comment (Deposit): NUMEROUS ZONES OF ENRICHMENT. (1) BONANZA ZONE, LARGEST OF THESE, CONTAINS NUMEROUS REPORTED UNMINED STRINGERS OF HIGH GRADE. (2) CONTIGUOUS EASTERN LATERAL ZONE (HARRINGTON PORTAL AREA), (3) THE WESTERN LATERAL ZONES (CON. PACIFIC - BULWAR - FORTUNA AREAS) ALL ON THE STANDARD HILL AND (4) THE NORTHERLY EXTENSIONS OF THE BONANZA VEINS THRU TIOGA - BECHTOF - HOBART CLAIMS ON THE SW FLANK OF BODIE BLUFF.
Comment (Location): GENERALIZED UTM COORDINATES FOR GROSS DISTRICT INFO.
Comment (Reserve-Resource): POTENTIAL TONNAGE AND ASSAY AVG. PREPARED BY TRANDWELL - YUKON CORP. FOR BONANZA ZONE, EASTERN MARGINAL ZONE, WESTERN MARGINAL ZONE, NORTHERN MARGINAL ZONE, EASTERN SUB - MARGINAL AND WESTERN SUB - MARGINAL ZONES, RESPECTIVELY. METALS IN THESE ORES OCCUR IN MEAN RATIO OF 1 FINE OZ. AU TO 15 OZ. AG. NUMEROUS OTHER PROJECTED ASSAYS HAVE BEEN MADE FOR INDIVIDUAL MINES AND PORTIONS OF THE MINES.
Comment (Reserve-Resource): VALUES FOR CON. PACIFIC TUNNEL, EXT., WESTERN MARGINAL BLOCK, STANDARD HILL AND S BODIE BLUFF, SECTION OF WESTERN MARGINAL ZONE, AND BLOCK OF ORE ADJACENT TO CON. PACIFIC TUNNEL. NUMEROUS OTHER VALUES OF RESERVE PROJECTIONS EXIST.
Comment (Development): TOTAL$: 218600 ; EXPL$: 75000 ; DEV$: 68500 ; MILL$: 20800 ; MILL.CAP: 166 ; ECON.YEAR: 1947 ; ECON.COM: ABOVE FACTORS BASED ON PROJECTED ESTIMATES.
Comment (Workings): NUMEROUS SHAFTS, ADITS; CROSSCUTS, WINZES AND STOPES ON MANY LEVELS. PROPOSED DIAMOND DRILLING (CORE VS - SLUDGE), MOIL CUT CHANNELS AND BULK EXCAVATION. STANDARD MILLING PLANT AND SEVERAL OTHERS EXIST ON STANDARD HILL. OPEN - CUTS & TRENCHING.
Comment (Geology): NARROW, BARREN CLAY SEAMS COMMON. 5 DISTINCT PERIODS OF DEFORMATION HAVE BEEN RECOGNIZED IN THE BONANZA ZONE, CHARACTERIZED BY INTRUSION, FAULTING OR FISSURING AND 5 DISTINCT PERIODS OF QUARTZ - VEIN FORMATION, 3 OF WHICH ARE ORE - BEARING.
References
Reference (Deposit): MCCLUSKEY, S. B., 1947 , SURVEY OF BODIE PROJECT/SUMMARY OF STATISTICAL RECORDS AND ESTIMATES, METALLURGICAL ENGINEER, UNPUB. DATA
Reference (Reserve-Resource): MCCLUSKY ( 1947 )
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.
