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Douglas Creek Mine

Past Producer in Granite 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. Land status
  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 10019331
MRDS ID DC09547
Record type Site
Current site name Douglas Creek Mine
Alternate or previous names Northwest Improvement Company Phosphate Mines

Geographic coordinates

Geographic coordinates: -113.15148, 46.49156 (WGS84)
Location accuracy 1000(meters)
Relative position 1.3 KM S OF DOUGLAS MOUNTAIN.

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Maxville(quadrangle 1:24,000 scale)

Philipsburg(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flint-Rock(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(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 Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 009N 012W 30,31 E12 (31) Montana

Comments on the location information

  • N SIDE OF DOUGLAS CREEK. ; INFO FROM LAND.ST :(1971)

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Analytical data

Result 1.45 FT BED ASSAYS AT 31.9 % P OXIDE. 4.65 FT BED ASSAYS 27.5 % P OXIDE.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Phosphorite
    Rock unit name Phosphoria Formation
    Rock description Phosphoria Formation

Nearby scientific data

(1) -113.15148, 46.49156
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Douglas Mountain Anticline

Ore body information

  • Strike NORTH
    Dip 55-85 E
    Thickness 3.05M

Economic information about the deposit and operations

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

Mining district

District name Douglas Creek (Gird Creek) District

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Cominco American, Inc.
    Home office Garrison, Mt. 59731

Production statistics

  • Year 1932
    Period 1931-1932
    Accuracy Estimate
    Description Cp_Grade: ^31.1% P205
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Phosphorus-Phosphates Phosphorus 31wt-pct

Comments on the workings information

  • 3 ADIT ADIT LEVELS ON 3 BEDS. ADIT 1 IS 50 FT LONG AND EXPOSES THE PHOSPHATE IS 30 FT. ADIT 2 IS 160 FT LONG. ADIT 3 IS 500 FT LONG AND EXPOSES THE P BED 250 FT FROM THE SURFACE.ADIT 3N IS ON THE E LIMB, ADIT 2N IS ON THE W LIMB, AND ADIT 1N IS ON A FAULTED PORTION OF THE W LIMB OF THE DOUGLAS MOUNTAIN ANTICLINE.

Reference information

Bibliographic references

  • Deposit

    USGS BULL 847-D, P. 187, PL. 28.

  • Deposit

    MBMG BULL 58, P. 52

  • Deposit

    MBMG MEM 31, P. 31

  • Deposit

    USBM RI 6611, P. 57, 60-63

  • Deposit

    MBMG SP 25, P. 7

  • Production

    USBM RI 6611, P. 60, 63

General comments

Subject category Comment text
Deposit THE PHOSPHATE MEMBER IS COMPOSED OF 8-10 FT OF PHOSPHORITE INTERBEDDED WITH MUDSTONES AND PHOSPHATIC MUDSTONES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown 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.

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