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  3. Mineral Resource Data System (MRDS)

Blue Rock

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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10007039
MRDS ID C008049
Record type Site
Current site name Blue Rock

Geographic coordinates

Geographic coordinates: -120.84603, 38.99289 (WGS84)
Relative position 1 1/2 MI NE OF GEORGETOWN NEAR GEORGETOWN SLIDE (SITE)

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Georgetown(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 013N 010E 34 California

Comments on the location information

  • Used California PLSS to select point in section 34 that is in El Dorado County.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Nearby scientific data

(1) -120.84603, 38.99289
ListMap

Economic information

Ore body information

  • Depth to top 0M

Comments on the geologic information

  • ON PORPHYRY SEAM BELT, ZONE OF SCHISTS AND SLATES TRAVERSING FMN, QTZ SEAMS

Economic information about the deposit and operations

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

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. 568 .

  • Deposit

    LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG. 259 .

  • Deposit

    TUCKER, W. B., 1919 , EL DORADO COUNTY: CALIF. MIN. BUR. REPT., 15TH REPT. STATE MIN., P. 282 .

General comments

Subject category Comment text
Deposit VEIN, QTZ SEAMS
Deposit SEE GEORGIA SLIDE MINES ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1979 Mateik, R.; 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.