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Standard Hill

Past Producer in Mono county in California, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Reserves and resources
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10035048
MRDS ID M022170
Record type Site
Current site name Standard Hill

Geographic coordinates

Geographic coordinates: -119.00014, 38.22075 (WGS84)
Elevation 2553
Relative position 10 MILES NORTH OF MONO LAKE.

Site location context

Political divisions (FIPS codes)

Mono(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bodie(quadrangle 1:24,000 scale)

Bridgeport(quadrangle 1:100,000 scale)

Walker Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

East Walker(hydrologic unit)

Walker(hydrologic accounting unit)

Central Lahontan(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States California Mono

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 027E 09,16,21 California

Comments on the location information

  • GENERALIZED UTM COORDINATES FOR GROSS DISTRICT INFO.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue
Sericite Gangue
Talc Gangue

Alteration

  • (Local) Alteration Of "Red Dikes" To Clay

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -119.00014, 38.22075
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description West Side Of Sierra Nevada Mts. Major Nw - Trending Faults.
Type of structure Local
Structure description Moyle Fault Cuts Bonanza Ore Body On Western Limits.

Ore body information

  • General form TRUNCATED WEDGE, PARALLEL VEINS, SEAMS
    Strike N
    Dip S
    Thickness 152.4M

Comments on the geologic information

  • 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.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1860
Discoverer Standard Con. Mining Co.
Year of first production 1860

Mining district

District name Bodie

Ownership information

  • Type Owner-Operator
    Owner J. S. Cain Co.

Production statistics

  • Year 1947
    Period 1907 - 1947
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^Yield 1,500,000 Oz. Fine Au And 5,000,000 Oz. Ag From Bonanza Zone.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Silver Silver 141747500g
    Gold Gold 42524250g

Comments on the production information

  • 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.

Reserves and resources

  • Type In-situ
    Estimate year 1947
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.008 g/mt Gold Major 1947
    Silver Ag 14.964 g/mt Silver Major 1947

Comments on the reserve resource information

  • 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.
  • 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.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 365.76M

Comments on the workings information

  • 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.

Comments on development

  • TOTAL$: 218600 ; EXPL$: 75000 ; DEV$: 68500 ; MILL$: 20800 ; MILL.CAP: 166 ; ECON.YEAR: 1947 ; ECON.COM: ABOVE FACTORS BASED ON PROJECTED ESTIMATES.

Reference information

Bibliographic references

  • Deposit

    MCCLUSKEY, S. B., 1947 , SURVEY OF BODIE PROJECT/SUMMARY OF STATISTICAL RECORDS AND ESTIMATES, METALLURGICAL ENGINEER, UNPUB. DATA

  • Reserve-Resource

    MCCLUSKY ( 1947 )

General comments

Subject category Comment text
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.
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.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Nelson, Scott C. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.