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German Bar

Past Producer in Nevada county in California, United States with commodities Gold, Platinum
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10034777
MRDS ID M021683
Record type Site
Current site name German Bar

Geographic coordinates

Geographic coordinates: -120.81714, 39.43878 (WGS84)
Elevation 914
Relative position 2 MI SOUTH-SOUTHEAST OF ALLEGHANY

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alleghany(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 Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N 010E 11,12 NE4 OF SE4 (11); SW4 (12) California

Comments on the location information

  • ON SOUTH BANK OF MIDDLE FORK OF YUBA RIVER 500 FT NORTH OF MOUTH OF JACKASS RAVINE. MINE IS ADJACENT TO SIERRA COUNTY LINE

Commodities

Commodity Importance
Gold Primary
Platinum Critical Tertiary

Comments on the commodity information

  • SMALL BUNCHES OF HIGH-GRADE ORE ARE ASSOCIATED WITH COARSE ARSENOPYRITE

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Analytical data

Result PT DETECTED IN ANALYSIS OF NATIVE GOLD SAMPLES, AMOUNT UNCERTAIN BECAUSE INDIVIDUAL SAMPLES NOT LABELED AS TO LOCALITY

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -120.81714, 39.43878
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Melones Fault Zone
Type of structure Local
Structure description Fault

Ore body information

  • General form VEIN
    Strike N70-80W
    Dip 40-80 NE
    Depth to top 0M

Controls for ore emplacement

  • Fractures

Comments on the geologic information

  • HANGING WALL IS COMPOSED OF GABBRO; FOOTWALL IS COMPOSED OF CONGLOMERATIC BLACK SLATE, SCHIST, AND TUFF.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1851
Year of first production 1851

Mining district

District name Alleghany District

Land status

Ownership category National Forest

Production statistics

  • Year 1932
    Period 1851-1932
    Material AU
    Description Cp_Grade: ^0.49 Oz/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 14g/mt

Comments on the production information

  • TOTAL PRODUCTION WAS ABOUT $200,000 TO 1932. PROPERTY WAS IDLE FOR MANY YEARS. MUCH PRODUCTION OF MILL ROCK AT $10/TON

Comments on the workings information

  • 4 ADITS TOTALING 2000 FT, 500 FT OF RAISES.

Comments on development

  • FIRST MINE IN REGION TO BE SYSTEMATICALLY WORKED

Reference information

Bibliographic references

  • Deposit

    MCCULLOCH, W.C., OESTERLING, W.A., SPURCK, W.H., AND TISCHLER, M.S., 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA: SOUTHERN PACIFIC COMPANY, V. 2, P. 39.

  • Deposit

    AVERILL, C.V., 1942, MINES AND MINERAL RESOURCES OF SIERRA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY V, 38, NO. 1, P. 55.

  • Deposit

    FERGUSON, H.G., AND GANNETT, R.W., 1932, GOLD QUARTZ VEINS OF THE ALLEGHANY DISTRICT, CALLIFORNIA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 172, P. 132-134, SKETCH MAP, P. 133.

  • Deposit

    LOGAN, C.A., 1941, MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37, NO. 3, PL. 3.

  • Deposit

    J.K. BOHLKE, 1982, WRITTEN COMMUN. TO N.J PAGE, U.S. GEOLOGICAL SURVEY

  • Production

    FERGUSON AND GANNETT

General comments

Subject category Comment text
Deposit 2 VEINS, THE GERMAN BAR AND WHEELER. VEIN TRACED UPHILL TO SOUTHEAST INTERSECTS SERPENTINE(?). IT MAY BELONG TO SAME FISSURE ZONE AS IRELAN MINE. ZONE OF QUARTZ STRINGERS WITH SOME GOUGE CONNECTS GERMAN BAR VEIN WITH WHEELER VEIN. MINOR POST-MINERAL MOVEMENT ALONG MAIN VEIN. AT PORTAL OF TWO LOWER ADITS, A STEEP POST-MINERAL FAULT CUTS VEIN AT AN ACUTE ANGLE
Deposit CLAIMS ARE PATENTED, 36.26 AC ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit RECORD C011759 HAS BEEN MERGED AND DELETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (Albers, J) U.S. Geological Survey
Updater 01-AUG-1993 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

External references

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.