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Garibaldi

Past Producer in Mariposa county in California, United States with commodity Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10102890
MRDS ID M009653
Record type Site
Current site name Garibaldi
Alternate or previous names Blue Lead

Geographic coordinates

Geographic coordinates: -119.99377, 37.69742 (WGS84)
Elevation 853
Relative position 11 1/2 MI. WNW OF EL PORTAL

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kinsley(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Stanislaus 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 Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003S 018E 04,09 California

Comments on the location information

  • S 1/2 4 , N 1/2 9 , UTM ACC.

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • HIGH GRADE ORE OCCURS AS BOULDER-LIKE TO NODULAR MASSES IN A BLACK 8 - 10 FT. THICK GOUGE FOUND BETWEEN DOLOMITE AND THE ALTERED DIKE ROCK.

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -119.99377, 37.69742
ListMap

Economic information

Ore body information

  • General form PINCH AND SWELL
    Thickness 4.57M

Comments on the geologic information

  • GEOL.DESC: TWO PARALLEL VEINS 1 - 15 FT. APART SEPERATED BY ALTERED DIKE ROCK. METASEDIMENTS ARE CHIEFLY SLATE. GRAPHITE SCHIST, BLACK MANGANIFEROUS CHERT. DOLOMITE OCCURS CHIEFLY ON THE HANGING WALL, IS BLUE-GRAY - TO - BLACK AND SOMEWHAT PLATY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1897
Production years 1897 - 1930S

Ownership information

  • Type Operator
    Owner Robert O. Greeves

Comments on the production information

  • LITTLE RECORDED OF EARLY HISTORY. WORKED INTERMITTENTLY 1897 TO LATE 1930'S. MINE IDLE SINCE THEN. MOST OF WORKINGS ARE CAVED. THE TAILINGS DUMP WAS WORKED FOR A SHORT PERIOD, THE LAST ACTIVITY RECORDED.

Workings at the site

  • Type of workings Underground
    Area 7.608HA
    Overall depth 30.48M

Comments on the workings information

  • 325-FT. INCLINED SHAFT, 40-FT. CROSSCUT, DRIFTS.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 100 - 101 , 262 .

  • Deposit

    AUBRY, L. E., 1903 , REGISTER OF MINES AND MINERALS FOR MARIPOSA COUNTY, CALIF., P. 11 .

  • Production

    BOWEN AND GRAY, 1957

General comments

Subject category Comment text
Deposit VEINS
Deposit ONE PATENTED CLAIM. DEVELOPMENT HAS BEEN HAMPERED BY WATER AS THE MINE YIELDS UP TO 600,000 GALLONS OF WATER A DAY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-JAN-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.

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.