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

Bowman

Past Producer in Sierra 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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10086504
MRDS ID X025324
Record type Site
Current site name Bowman
Alternate or previous names Boman
Related records 10141181

Geographic coordinates

Geographic coordinates: -120.94521, 39.4446 (WGS84)
Relative position 6 MI WSW OF ALLEGHANY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pike(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N 009E 10 California

Comments on the location information

  • UTM ACC. NE 1/4 NE 1/4

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Quartz Gangue

Nearby scientific data

(1) -120.94521, 39.4446
ListMap

Economic information

Comments on the geologic information

  • QTZ VEIN STRIKING N 30 - 40 W IN HIGHLY WEATHERED METAMORPHIC RX

Economic information about the deposit and operations

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

Mining district

District name Pike

Production statistics

  • Year 1944
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^.33 Oz/Ton Au, .038 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 1g/mt
    Major Ore Gold Gold 9g/mt

Comments on the production information

  • FOR 180 TONS ORE, 60 OZ AU AND 7 OZ AG WERE EXTRACTED IN 1944 . NO OTHER PRODUCTION RECORD FOUND.

Comments on the workings information

  • 1200 FT TRENCH.

Reference information

Bibliographic references

  • Deposit

    MCCULLOCH, W. C., OESTERLING, W. A., SPURCK, W. H., & TISCHLER, M. S., 1964 , MINERALS FOR INDUSTRY, N CALIF. : SO. PACIFIC COMPANY, VOL. 2 , P. 34

  • Production

    USBM YEARBOOK, V 3 , 1944

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (Albers, J.) 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.