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Mountain Lion Prospect

Producer in Josephine county in Oregon, United States with commodities Gold, Silver
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Production statistics
  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 10109675
MRDS ID M061071
Record type Site
Current site name Mountain Lion Prospect
Related records 10298892

Geographic coordinates

Geographic coordinates: -123.24559, 42.32621 (WGS84)

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Applegate(quadrangle 1:24,000 scale)

Grants Pass(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Applegate(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 037S 005W 25 Oregon

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Calcite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Grayback Pluton
    Rock description Grayback Pluton
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Applegate Group
    Rock description Applegate Group

Nearby scientific data

(1) Granitic rocks
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Many Faults, Vein Difficult To Follow

Ore body information

  • Strike N80W
    Dip 65S
    Length 91.44M
    Width 0.91M

Controls for ore emplacement

  • Best Ore Found Near Contact Of Slate & Greenstone

Comments on the geologic information

  • GEOL.DESC: SLATES ARE NARROW LENSES IN GREENSTONE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1934-1935

Land status

Ownership category BLM Administrative Area

Production statistics

  • Year 1935
    Period 1934-1935
    Material ORE
    Description Cp_Grade: ^0.14 Au, 0.1 Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 3g/mt
    Major Ore Gold Gold 4g/mt

Comments on the production information

  • PRE-1914 PRODUCTION MAY HAVE BEEN CONSIDERABLE.

Workings at the site

  • Type of workings Unknown
    Length 365.76M

Comments on the workings information

  • OVER 8000 FEET OF CROSSCUTS, DRIFTS, AND STOPES PRE-1914 PRODUCTION MAY HAVE BEEN CONSIDERABLE.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    OREGON METAL MINES HANDBOOK, 1942, ODGMI BULL. 14-C, VOL. 2, SEC. 1, P. 165

  • Production

    USBM

General comments

Subject category Comment text
Deposit TWO VEINS DEVELOPED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAR-1981 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

Maps centered on this site