Oak Mine

Producer in Josephine county in Oregon, United States with commodities Gold, Silver, Lead, Copper, Zinc
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10042986
MRDS ID M061404
Record type Site
Current site name Oak Mine
Related records 10225282

Geographic coordinates

Geographic coordinates: -123.30809, 42.55038 (WGS84)
Elevation 488
Relative position ADJACENT TO COVE CREEK

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sexton Mountain(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)

Federal lands

Bureau of Land Management(Bureau of Land Management OR)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Oregon Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 035S 005W 04 Oregon

Comments on the location information

  • SW 1/4

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Tertiary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Malachite Ore
Pyrite Ore
Pyrolusite Ore
Pyrrhotite Ore
Sphalerite Ore

Alteration

  • (Local) Limonite, Gossan

Analytical data

Result OLD ASSAYS ON 63 SAMPLES (CIRCA 1938) GAVE OVER 1% CU, .07 OZ AU &.6 OZ AG

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Meta-Basalt
    Rock unit name Applegate Group
    Rock description Applegate Group
    Stratigraphic age (youngest) Late Triassic

Nearby scientific data

(1) -123.30809, 42.55038

Economic information

Geologic structures

Type of structure Local
Structure description Fault Parallels Mineralized Zone, Probably Pre Ore

Ore body information

  • General form LENS
    Strike N25W
    Dip 70W
    Length 18.29M
    Width 3.66M
    Depth to top 15.24M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • ASSOCIATED WITH METAGABBROS AND ULTRAMAFICS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1916
Production years 1932-1933

Mining district

District name Grants Pass

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Oak Mining Co.
    First year 1967

Production statistics

  • Year 1933
    Period 1932-1933
    Material ORE
    Description Cp_Grade: ^0.07 Au, 0.6 Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 17g/mt
    Major Ore Gold Gold 2g/mt

Comments on the reserve resource information

  • THIS WAS ESTIMATED FOR ORE ABOVE LOWER LEVEL CIRCA 1938 -NO INFORMATION YET ON 1960'S RESULTS.

Workings at the site

  • Type of workings Underground
    Length 243.84M
    Overall depth 15.24M

Comments on the workings information

  • TWO ADITS TOTAL 800, WINZE 50

Comments on development

  • ECON.COM: EXPLORED & DEVELOPED BY OAK MINING CO. (1965-1967)

Reference information

Bibliographic references

  • Deposit

    RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45P

  • Deposit

    BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P.231

  • Deposit

    OREGON METAL MINES HANDBOOK, 1942, ODGMI BULL. 14-C, VOL. 2, SEC. 1, P.88

  • Production

    USBM

General comments

Subject category Comment text
Deposit DEPOSIT ALSO REFERRED TO AS REPLACEMENT, ORE PENETRATES COUNTRY ROCK
Deposit RECORD NUMBERS (M013460) AND (M015225) HAVE BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAR-1981 Smith, Roscoe M. And Ferns, Mark L. (Brooks, Howard C.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries

Beyond USGS

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

External references