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Rosecranz

Past Producer in El Dorado 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. Production statistics
  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 10007005
MRDS ID C007977
Record type Site
Current site name Rosecranz
Related records 10187187

Geographic coordinates

Geographic coordinates: -120.87186, 38.87295 (WGS84)
Relative position 3 MI. SW OF GEORGETOWN

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Garden Valley(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 010E 21 California

Comments on the location information

  • UTM EST. SW 1/4

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • 80 PERCENT OF AU IS IN NATIVE STATE, WORK ON 100 FT. XCUT TO TAYLOR VEIN, AND ON 130 FT. LEVEL IN TAYLOR VEIN, DIDN'T REVEAL ORE.

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -120.87186, 38.87295
ListMap

Economic information

Ore body information

  • Strike N
    Dip W
    Depth to top 0M

Comments on the geologic information

  • 3 1/2 FT. THICK VEIN

Economic information about the deposit and operations

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

Production statistics

  • Year 1888
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 14g/mt

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND.

Workings at the site

  • Type of workings Surface/Underground
    Area 8.754HA

Comments on the workings information

  • 350 FT. SHAFT, INCLINED?, W LEVELS AT 100 , 130 , 200 , 250 , 350 FT. OPEN STOPES ON 100 FT. LEVEL IS XCUT TO ADJOINING TAYLOR VEIN. SURFACE THICKNESS OF AMPHIBOLITE SCHIST IS 250 FT, W MARIPOSA SLATE ON BOTH SIDES. VEIN HAS LITTLE GOUGE, IS FROZEN. W OF TAYLOR VEIN. OCCURS IN IRREGULAR SHAPED BODIES. HARD WALLS PERMIT MINING W/O TIMBER.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG. 423 , 424 .

  • Deposit

    LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG. 248 , 249 , 267 , PL. II.

  • Production

    CLARK AND CARLSON, 1956

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Hayden, F. (Albers, J.) U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 27-APR-1995 Mosier, Dan 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.