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  3. Mineral Resource Data System (MRDS)

French Hill

Producer in Del Norte 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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10038033
MRDS ID M045292
Record type Site
Current site name French Hill

Geographic coordinates

Geographic coordinates: -123.97199, 41.8251 (WGS84)
Elevation 594
Location accuracy 100(meters)
Relative position 2 MI SOUTH OF GASQUET, Accurate On French Hill

Site location context

Political divisions (FIPS codes)

Del Norte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gasquet(quadrangle 1:24,000 scale)

Happy Camp(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Smith(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Six Rivers 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 Del Norte

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 017N 002E 32,33 NE4 (32) California

Comments on the location information

  • LOCATION GIVEN IS FOR BUILDINGS AT FRENCH FLAT
  • PARTS OF DREDGED AREA LIE WITHIN TRINITY NATIONAL FOREST. DREDGING TOOK PLACE FOR ABOUT 8 MI ALONG RIVER NEAR JUNCTION CITY AND INCLUDE SMALLER CLAIMS SUCH AS BERGIN PLACER (FORMERLY A SEPARATE RECORD BUT MERGED WITH THIS RECORD 01/92). LOCATION GIVEN IS IN TAILINGS EAST OF BENJAMIN FLAT AT JUNCTION CITY

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary

Comments on the commodity information

  • 340 POUNDS PYRITE. SPENCER FOUND NO PGE IN 1970'S

Materials information

Materials Type of material
Gold Ore

Analytical data

Result GOLD 924 FINENESS

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -123.97199, 41.8251
ListMap

Economic information

Ore body information

  • General form STREAM SEDIMENT DEPOSITS
    Thickness 6.1M
    Width 304.8M

Controls for ore emplacement

  • Stream Hydraulics

Comments on the geologic information

  • HORNBLENDE SCHIST BEDROCK

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1860

Mining district

District name Smith River Area

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner John H. Hopkins
    First year 1946

Comments on the production information

  • BERGIN PLACER SAID TO HAVE PRODUCED MORE THAN 1 OZ/YR PT
  • SMALL ANNUAL PT RECOVERY. EARLY OPERATIONS RECOVERED 1 OZ PT/$1,000 AU (1 OZ PT/48.38 OZ AU) (LOGAN, P. 62) ANOTHER REPORT STATES THAT PT FORMED 5% OF TOTAL VALUES.

Comments on the reserve resource information

  • LARGE RESERVES

Comments on the workings information

  • HYDRAULIC, DREDGING
  • HYDRAULIC AND SLUICING, IDLE IN RECENT YEARS EXCEPT FOR MINOR SLUICING

Reference information

Bibliographic references

  • Deposit

    O'BRIEN, J.C., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 48, NO. 4, P. 278, 303.

  • Deposit

    CATER, F.W., JR., AND WELLS, F.G., 1953, GEOLOGY AND MINERAL RESOURCES OF THE GASQUET QUADRANGLE, CALIFORNIA-OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 995-C, P. 79-133.

  • Deposit

    LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 58-59.

  • Deposit

    CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 116.

  • Deposit

    CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 142-143.

General comments

Subject category Comment text
Deposit SOME OF PLACER MATERIAL CONSISTED OF RIVER TERRACE GRAVELS
Deposit RECORD W025905 HAS BEEN MERGED AND DELETED.
Deposit GRAVEL OCCURS IN AN ANCIENT CHANNEL 800-1,000 FT WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-74 Blair, Will N. U.S. Geological Survey
Updater 01-JAN-89 Peterson, Jocelyn A. 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.