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Big Four Placer

Producer in Josephine county in Oregon, 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. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10109671
MRDS ID M060783
Record type Site
Current site name Big Four Placer
Alternate or previous names Bartlett
Related records 10128534

Geographic coordinates

Geographic coordinates: -123.48644, 42.50399 (WGS84)
Elevation 259
Relative position 0.5 MI FROM MOUTH OF PICKETT CREEK; 15 MI NORHTWEST OF GRANTS PASS

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Merlin(quadrangle 1:24,000 scale)

Canyonville(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Rogue(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 035S 007W 26 NE4 OF NE4 Oregon

Comments on the location information

  • IN ROGUE NATIONAL WILD AND SCENIC RIVER. LOCATION GIVEN IS ABOUT 0.5 MI NORTH OF MOUTH OF PICKETT CREEK ON WEST SIDE OF ROGUE RIVER. NO INDICATION OF PLACER ACTIVITY IS SHOWN ON TOPO MAP. ODGMI'S MILOC FILE INDICATES LOCATION IN W/2 SEC. 26, PRESUMABLY THE LOCATION USED IN THE USBM RECORD

Commodities

Commodity Importance
Gold Primary
Platinum Critical Tertiary

Comments on the commodity information

  • GOLD IS WELL WORN, FINE TO COARSE

Materials information

Materials Type of material
Gold Ore

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
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -123.48644, 42.50399
ListMap

Economic information

Ore body information

  • General form STREAM SEDIMENT DEPOSITS
    Thickness 21.34M
    Width 76.2M
    Depth to top 4.27M

Controls for ore emplacement

  • Stream Hydraulics

Comments on the geologic information

  • BEDROCK IS SLATE, PROBABLY OF GALICE FORMATION

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Federal

Ownership information

  • Type Owner
    Owner Thomas, Alice
    First year 1980

Comments on the production information

  • THERE WAS PROBABLY A LARGE PRODUCTION BETWEEN 1900 AND 1940. GOLD VALUES WERE $.20/YD. SMALL BYPRODUCT PGE PRODUCTION

Comments on the reserve resource information

  • AN ESTIMATED 4 MILLION YARDS OF MINEABLE GRAVEL WAS LEFT IN 1940, COVERING 30 WORKABLE ACRES.

Workings at the site

  • Type of workings Surface
    Area 8.094HA

Comments on the workings information

  • HYDRAULIC. 20 ACRES MINED, 137 ACRES PATENTED. 3 OPEN PITS WITH 300 FT FACE AT 45-60 FT OF BACK

Comments on development

  • INTERMITTENT MINING FOR 40 YEARS

Reference information

Bibliographic references

  • Deposit

    RAMP, LEN, AND BROOKS, H.C., 1969, PLATINUM GROUP METALS, IN MINERAL AND WATER RESOURCES OF OREGON: U.S. CONGRESS, 90TH, 2D SESSION, COMMITTEE ON INTERIOR AND INSULAR AFFAIRS, SENATE PRINTING, P. 170-171.

  • Deposit

    OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, 1952, OREGON METAL MINES HANDBOOK, SOUTHWESTERN OREGON--JOSEPHINE COUNTY (2D ED.): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 14-C, V. 2, SEC. 1, P. 66-67.

  • Deposit

    DILLER, J.S., 1914, MINERAL RESOURCES OF SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 546, P. 111-112.

  • Deposit

    RAMP, LEN, AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 100, TABLE 1.

  • Deposit

    PARKS, H.M., AND SWARTLEY, A.M., 1916, HANDBOOK OF THE MINING INDUSTRY OF OREGON: OREGON BUREAU OF MINES AND GEOLOGY, THE MINERAL RESOURCES OF OREGON, V. 2, NO.4, P. 36-37.

General comments

Subject category Comment text
Deposit LARGEST GOLD IS IN THE BOTTOM GRAVEL. TERRACE IS 300 FT ABOVE THE ROGUE RIVER

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1981 Johnson, Maureen G. U.S. Geological Survey
Updater 01-SEP-1981 Ferns, Mark L. (Brooks, Howard C.) Oregon Department of Geology and Mineral Industries
Updater 01-MAY-1989 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

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