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Cowboy Mine

Past Producer in Josephine county in Oregon, United States with commodities Copper, Gold, Silver, Zinc, Cobalt, Nickel, Arsenic
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Geologic information

Identification information

Deposit ID 10042725
MRDS ID M060661
Record type Site
Current site name Cowboy Mine
Alternate or previous names East Cowboy
Related records 10298548

Geographic coordinates

Geographic coordinates: -123.60921, 42.01926 (WGS84)
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Geographic areas

Country State County
United States Oregon Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 041S 008W 11 NE Oregon

Comments on the location information

  • NE 1/4

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Primary
Zinc Primary
Cobalt Tertiary
Nickel Tertiary
Arsenic Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Cobaltite Ore
Cubanite Ore
Malachite Ore
Sphalerite Ore
Calcite Gangue
Epidote Gangue
Quartz Gangue

Analytical data

Result 15.1 -18.65% CU, .24% ZN, .15% CO, AS .11%, 0.11% NI, .08 OZ/TON AU, 8 OZ/TON AG.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Applegate Group;Applegate Group
    Rock description Applegate Group;Applegate Group

Nearby scientific data

(1) -123.60921, 42.01926
ListMap

Ore body information

  • General form LENS
    Strike N
    Dip 45-65E
    Width 2.44M
    Length 51.82M

Controls for ore emplacement

  • Contact Of Greenstone And Serpentine

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900
Discoverer Mr. Strong
Year of first production 1903

Mining district

District name Waldo

Land status

Ownership category Private
Area name Siskiyou National Forest

Production statistics

  • Year 1940
    Period 1900-1940
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^14 % Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 14wt-pct
  • Year 1940
    Period 1900-1940
    Material CU
    Accuracy Estimate
    Description Cp_Grade: ^ 0.03 Oz/Ton Au, Trace Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 1g/mt
  • Year 1940
    Period 1900-1940
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^14 Cu, 0.03 Au, Tr. Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 1g/mt
    Major Ore Copper Copper 395g/mt

Workings at the site

  • Type of workings Unknown
    Length 609.6M

Comments on the workings information

  • ADITS TOTAL 2000, WINZES, PIT

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M060661
U.S. Bureau of Mines Minerals Availability System MAS 0410330017

Bibliographic references

  • Deposit

    RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, P. 33.

  • Deposit

    OREGON METAL MINES HANDBOOK, 1942, ODGMI BULL. 14-C, VOL. 2, SEC. 1, P. 186

  • Deposit

    SHENNON, P.J., 1933, GEOLOGY AND ORE DEPOSITS OF THE TAKILMA-WALDO DISTRICT, OREGON; USGS BULL. 846-B, P. 170

  • Deposit

    COURY, ANNY B., ORIGINAL USGS REPORTER

General comments

Subject category Comment text
Deposit ROUNDED LUMPS OF MASSIVE SULPHIDE IN 6-8 FT. WIDE FAULT ZONE
Deposit RECORD NUMBERS (M013259) AND (W000687) HAVE BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE

Reporter information

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