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Esterley Placer

Producer in Josephine county in Oregon, United States with commodities Gold, Platinum, Silver, Chromium, Ruthenium, Iridium, Osmium, Palladium, Rhodium
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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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10042730
MRDS ID M060674
Record type Site
Current site name Esterley Placer
Alternate or previous names Llano De Oro, Cameron Placer, Logan Placer, Simmons Placer, French Flat
Related records 10153004

Geographic coordinates

Geographic coordinates: -123.63448, 42.06871 (WGS84)
Elevation 457
Location accuracy 100(meters)
Relative position ABOUT 1 MI NORTHEAST OF WALDO, Accurate Within Mined Area, Accurate Within Mined Area

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

O'Brien(quadrangle 1:24,000 scale)

Grants Pass(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Illinois(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 040S 008W 10,15,22,27 S2 (15); S2 (22); NW4 OF NE4 (27); SW4 (10) Oregon

Comments on the location information

  • ON CARROLL SLOUGH AND FRENCH FLAT. LOCATION GIVEN IS TAILINGS NORTH OF ESTERLY LAKES

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary
Silver Secondary
Chromium Critical Tertiary
Ruthenium Critical Tertiary
Iridium Critical Tertiary
Osmium Tertiary
Palladium Critical Tertiary
Rhodium Critical Tertiary

Comments on the commodity information

  • PT IS FLATTENED SCALES WITH ROUNDED CORNERS - TINY GRAINS TO >2 MM. MOST OF GOLD IS ANGULAR. PLATINUM METALS ARE MOSTLY PT WITH RU, SOME IR, OS, SLIGHT PD, RH

Materials information

Materials Type of material
Chromite Ore
Gold Ore
Epidote Gangue
Hematite Gangue
Ilmenite Gangue
Limonite Gangue
Magnetite Gangue
Zircon Gangue

Analytical data

Result PT:AU=1:50. GOLD FINENESS=955

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
    Rock unit name Llano De Oro Formation;Llano De Oro Formation;Llano De Oro Formation;
    Rock description Llano De Oro Formation;Llano De Oro Formation;Llano De Oro Formation;

Nearby scientific data

(1) -123.63448, 42.06871
ListMap

Economic information

Ore body information

  • General form STREAM SEDIMENT DEPOSITS
    Thickness 15.24M

Controls for ore emplacement

  • Stream Hydraulics

Comments on the geologic information

  • WORKINGS IN TERTIARY CONGLOMERATE MINOR IN COMPARISON TO PLEISTOCENE GRAVELS. BEDROCK VARIES - TERTIARY CONGLOMGERATE, SERPENTINE; HORSETOWN(?) SANDSTONE ; GEOL.DESC: BEDROCK VARIES - TERT. CONG., SERP; HORSETOWN (?) SANDSTONE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Waldo Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Esterly, George M.
    First year 1933
  • Type Owner
    Owner Acura Mining Corp.
    First year 1980

Comments on the production information

  • FOR MANY YEARS THIS WAS THE MOST PRODUCTIVE AU-PT PLACER IN OREGON

Comments on the reserve resource information

  • LARGE AREAS CONTAINING GOLD ARE UNTOUCHED. 1921 ESTIMATE: GRAVELS AVERAGED $0.18 IN RESERVES

Workings at the site

  • Type of workings Surface
    Area 1214.1HA

Comments on the workings information

  • OVER 30 ACRES HYDRAULICKED. SEVERAL BIG PITS

Comments on development

  • ONE OF STATE'S LARGEST PLACERS IN EARLY 1900'S. MINING SEASON IS 7 MONTHS/YR

Reference information

Bibliographic references

  • 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. 194-196.

  • Deposit

    BROOKS, H.C., AND RAMP, LEN, 1968, GOLD AND SILVER IN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 61, P. 242.

  • Deposit

    MERTIE, J.B., JR., 1969, ECONOMIC GEOLOGY OF THE PLATINUM METALS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 630, P. 99-100.

  • 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

    SHENON, P.J., 1933, GEOLOGY AND ORE DEPOSITS OF THE TAKILMA-WALDO DISTRICT, OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 846-B, P. 186-188.

  • Deposit

    DILLER, J.S., 1914, MINERAL RESOURCES OF SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY BULLETIN 546, P. 119-120.

General comments

Subject category Comment text
Deposit SEE ALSO: MRDS M013263.
Deposit AVERAGE THICKNESS 18 FT. AU, PT CONCENTRATED NEAR BEDROCK BUT SOME GOLD THROUGHOUT FORMATION

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-81 Johnson, Maureen G. U.S. Geological Survey
Updater 01-JUL-81 Ferns, Mark L. (Brooks, Howard C.) Oregon Department of Geology and Mineral Industries
Updater 01-MAY-89 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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