Gray Jockey Mine

Past Producer in Beaverhead county in Montana, United States with commodities Silver, Lead, Copper, Gold
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. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10070488
MRDS ID W013439
Record type Site
Current site name Gray Jockey Mine
Related records 10196699

Geographic coordinates

Geographic coordinates: -112.93283, 45.69433 (WGS84)
Elevation 2420

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Vipond Park(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Hole(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Montana Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002S 011W 02 Montana

Commodities

Commodity Importance
Silver Primary
Lead Primary
Copper Primary
Gold Secondary

Materials information

Materials Type of material
Freibergite Ore
Tetrahedrite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Hasmark
    Rock description Hasmark
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -112.93283, 45.69433

Economic information

Geologic structures

Type of structure Local
Structure description Gray Jockey Anticline Deposit On Southwest Flank Of Anticline

Ore body information

  • Strike N 20 E
    Dip 32 NW

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Quartz Hill (Vipond) District

Ownership information

  • Type Owner
    Owner Mabel Martin Jacob And Others

Production statistics

  • Year 1965
    Period 1917 - 1965
    Material CU
    Accuracy Accurate
    Description Cp_Grade: ^Less Than 1 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 1wt-pct
  • Year 1965
    Period 1917 - 1965
    Material AG
    Accuracy Accurate
    Description Cp_Grade: ^10.5 Oz/St
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 297g/mt
  • Year 1965
    Period 1917 - 1965
    Material AU
    Accuracy Accurate
    Description Cp_Grade: ^0.08 Oz/St
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 2g/mt

Comments on the production information

  • PRODUCTION FIGURES INCLUDE 1,634 LBS. OF LEAD: AT LESS THAN 0.01% . PROD. YEARS 1917 - 1919 , 1936 - 1937 , 1951 , 1961 - 1962 , 1965

Comments on the reserve resource information

  • RESERVE ESTIMATES ORE AVERAGES 5 OZ/ST AG, 0.02 OZ/ST AU

Comments on the workings information

  • VEIN EXPOSED BY SHALLOW OPEN-CUT ABOUT 60 FT LONG AND 5 - 10 FT WIDE. CAVED SHAFT 100 FT NORTH OF PIT, FROM SIZE OF DUMP ESTIMATED TO BE SEVERAL HUNDRED FEET IN DEPTH

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 85

  • Production

    GEACH, R. D., 1972, M.B.M.G. BULL. 85.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1976 Mlynarczyk, Meg S.; Krohn, D. U.S. Geological Survey

Beyond USGS

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

External references