1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Napoleon Group

Past Producer in Inyo county in California, United States with commodities Gold, Silver
Map
XML
JSON
KML
C
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10036042
MRDS ID M024052
Record type Site
Current site name Napoleon Group
Related records 10187704

Geographic coordinates

Geographic coordinates: -117.11117, 36.35275 (WGS84)
Elevation 1585
Relative position 1 MI S. HARRISBURG

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wildrose Peak(quadrangle 1:24,000 scale)

Darwin Hills(quadrangle 1:100,000 scale)

Death Valley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Death Valley-Lower Amargosa(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Death Valley National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018S 045E 21 California

Comments on the location information

  • UTM ACC. LAND UNSURVEYED. LOCATION PROJECTED

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -117.11117, 36.35275
ListMap

Economic information

Ore body information

  • Thickness 1.52M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Park

Production statistics

  • Year 1939
    Period 1937-1939
    Material AU-AG ORE
    Accuracy Estimate
    Description Cp_Grade: ^2.55 Oz/Ton Au, 2.16 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 61g/mt
    Major Ore Gold Gold 72g/mt

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND

Comments on the workings information

  • 80 DEG. INCLINE, 80 FT. DEEP; SEVERAL ADITS, ALL WITHIN RADIUS OF 800 FT. MOST OF ORE CAME FROM 3 ADITS LOCATED 400-700 FT. SW OF SHAFT

Reference information

Bibliographic references

  • Deposit

    NORMAN, L.A., JR. AND STEWART, RICHARD M., 1951, MINES AND MINERAL RESOURCES OF INYO COUNTY: CALIF. JOURNAL OF MINES AND GEOLOGY, V. 47, NO. 1, P. 46-47

  • Production

    NORMAN AND STEWART (1951)

General comments

Subject category Comment text
Deposit SERIES OF QUARTZ-FILLED FRACTURES, MOST PROMINANT A SHEAR PLANE, FEW IN.-5 FT. THICK
Deposit 4 UNPATENTED CLAIMS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1980 Nelson, Scott C. (Albers, John, P.) 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.