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Gimlet Mine

Past Producer in Powell county in Montana, United States with commodity Phosphorus-Phosphates
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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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10099712
MRDS ID W014647
Record type Site
Current site name Gimlet Mine
Related records 10294480

Geographic coordinates

Geographic coordinates: -112.72951, 46.63989 (WGS84)
Elevation 1850
Relative position ABOUT 11.0 KM NW OF AVON.

Site location context

Political divisions (FIPS codes)

Powell(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gravely Mountain(quadrangle 1:24,000 scale)

Elliston(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Powell

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 010N 009W 04,09 Montana

Comments on the location information

  • S SIDE OF GRAVELY MOUNTAIN.

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Analytical data

Result 18-31% P2O5 GRADE.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Phosphorite
    Rock unit name Phosphoria Formation (Retort Member)
    Rock description Phosphoria Formation (Retort Member)
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -112.72951, 46.63989
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Northwest Trending Folds
Type of structure Local
Structure description Cross Faults And Small Folds

Ore body information

  • General form BLANKET
    Strike N 30-40 W
    Dip 20-55 NE
    Thickness 0.91M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discoverer 1952

Mining district

District name Garrison District

Ownership information

  • Type Operator
    Owner Cominco American, Inc., Garrison, Mt.
  • Type Owner
    Owner Cominco American, Inc., Garrsion, Mt.

Production statistics

  • Year 1962
    Period 1961-1962
    Material P
    Description Cp_Grade: ^32.3% P2o5
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    P2O5 Phosphorus-Phosphates Phosphorus 32wt-pct

Comments on the workings information

  • 6100 FT ADIT AND RAISES FROM ADIT LEVEL TO ORE.

Reference information

Bibliographic references

  • Deposit

    USBM RI 6611, P. 22, 39.

  • Deposit

    MBMG SP 25, P. 7.

  • Deposit

    MBMG BULL 49, P. 47.

  • Production

    USBM RI 6611, P. 39.

General comments

Subject category Comment text
Deposit THE ORE IS BROKEN BY CROSS FAULTS AND IS CRUSHED BY LOCAL SECONDARY FOLDS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Berg, Richard B. (Krohn, D. H.) U.S. Geological Survey
Updater 01-OCT-1982 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site