Strawberry-Keystone Group

Past Producer in Madison county in Montana, United States with commodities Gold, Tungsten, Silver
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. Ore body information
  11. Controls for ore emplacement
  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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10070492
MRDS ID W013446
Record type Site
Current site name Strawberry-Keystone Group

Geographic coordinates

Geographic coordinates: -111.93669, 45.66379 (WGS84)
Elevation 1987
Relative position ABOUT 3 1/3 MILES FROM PONY, MONTANA

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pony(quadrangle 1:24,000 scale)

Bozeman(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management MT)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002S 003W 14 Montana

Commodities

Commodity Importance
Gold Primary
Tungsten Critical Primary
Silver Secondary

Materials information

Materials Type of material
Pyrite Ore
Scheelite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Tobacco Root Batholith Quartz Monzonite
    Rock description Tobacco Root Batholith Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Pony Formation, Gneiss
    Rock description Pony Formation, Gneiss

Nearby scientific data

(1) -111.93669, 45.66379

Economic information

Ore body information

  • Strike E
    Dip 55 N; 50 S
  • Strike E
    Dip 55 N; 50 S

Controls for ore emplacement

  • Fault And Fracture Zones

Comments on the geologic information

  • THE KEYSTONE FAULTED VEINS APPEAR TO BE ASSOCIATED WITH THICK QTZ VEINS AND PEGMATITE. DIKES.

Economic information about the deposit and operations

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

Mining district

District name Pony (Mineral Hill) District

Ownership information

  • Type Operator
    Owner Pony Tungsten Enterprises
    Home office C/O Fred Box, Pony, Mt
  • Type Owner
    Owner Elling Estate, Alameda, California

Production statistics

  • Year 1955
    Period 1900 - 1955
    Material AU
    Accuracy Estimate
    Description Cp_Grade: ^0.3 Oz/St
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 8g/mt

Comments on the production information

  • SCHEELITE PRODUCTION BEGAN IN 1954 BUT FIGURES UNAVAILABLE. PROD. YEARS 1900 - 1936 & 1954 - 1955

Comments on the workings information

  • MINE COMPRISED OF KEYSTONE VEIN WHICH STRIKES N 62 E TO N 87 W AND A VARYING DIP OF 52 S TO 80 S AND THE STRAWBERRY VEIN THAT STRIKES 56 W TO WEST AND DIPS 52 N - 84 N.

Reference information

Bibliographic references

  • Deposit

    REID, R. R., 1958, THE STRAWBERRY - KEYSTONE GOLD - TUNGSTEN PROPERTY, PONY MINING DISTRICT, MADISON CO., MT., MT. BUREAU OF MINES & GEOL. INF. CIRC. 24.

  • Deposit

    LORAIN, 1937, GOLD LODE MINING - TOBACCO ROOT MOUNTAINS U.S. BUREAU OF MINES INF. CIRC. 6972.

  • Deposit

    MBMG BULL 10, P. 44.

  • Deposit

    MBMG MEM 9, P. 28.

  • Deposit

    1958 GEOLMAP M.B.M.G. INF CIRC. 24

  • Production

    REID, 1958, MBMG INF. CIRC. 24.

General comments

Subject category Comment text
Deposit TWO VEINS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1976 Mlynarczyk, Meg S.; Krohn, D. U.S. Geological Survey
Updater 01-FEB-1980 Doyle, Brien (Wells, John) U.S. Geological Survey

Beyond USGS

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