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Blue Ox Mine

Past Producer in Sanders county in Montana, United States with commodities Copper, Gold, Silver, Platinum, Palladium
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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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10048516
MRDS ID MP00106
Record type Site
Current site name Blue Ox Mine
Alternate or previous names Brown Tunnel

Geographic coordinates

Geographic coordinates: -114.40347, 47.2746 (WGS84)
Elevation 1024
Relative position ABOUT 6.5 MI SOUTHWEST OF DIXON, 2 MI SOUTH OF U.S. HIGHWAY 10A

Site location context

Political divisions (FIPS codes)

Sanders(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McDonald(quadrangle 1:24,000 scale)

Plains(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Flathead(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 Sanders

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 018N 022W 33 NEAR CENTER Montana

Comments on the location information

  • IN FLATHEAD INDIAN RESERVATION. LOCATION GIVEN IS FOR WESTERN OF TWO ADITS SHOWN FOR BLUE OX ON MAP

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Primary
Platinum Critical Secondary
Palladium Critical Secondary

Comments on the commodity information

  • MINERALOGY ASSUMED TO BE THE SAME AS AT DRAKE MINE. A PAUCITY OF PGE MINERALS MAY INDICATE THAT PGE ARE INCORPORATED INTO OTHER MINERAL STRUCTURES

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Chrysocolla Ore
Cuprite Ore
Gold Ore
Malachite Ore
Pyrite Ore
Pyrrhotite Ore
Sperrylite Ore
Tenorite Ore
Chlorite Gangue
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Argillic Alteration In Shears, Diorite Altered To Serpentine And Talc. Regional Greenschist To Epidote-Amphibolite Facies

Analytical data

Result 45 DIKE SAMPLES RAN 0.005-2.9 PPM PD, <0.1-1.2 PPM PT, <5-39 PPB RH. ADDITIONAL ANALYTICAL DATA AVAILABLE IN INGERSOLL AND OTHERS

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup, Ravalli Group, Burke Formation

Economic information

Geologic structures

Type of structure Regional
Structure description Dike Lies Along East Limb Of A Broad Anticline. Northwest Folds And Faults, Some Northeast Faulting
Type of structure Local
Structure description North Striking Faults And Shears

Ore body information

  • General form FRACTURE FILLING, BRECCIA ZONES, VEINS
    Strike N8E
    Dip STEEPLY E

Controls for ore emplacement

  • Along Diorite Quartzite Contact, Faulting And Shear Zones In Diorite

Comments on the geologic information

  • DIKE CAN BE TRACED ALONG REVAIS CREEK FOR 8,000 FT. ALTHOUGH THE DIKE IS NOT CALLED PART OF THE PURCELL SILLS IN THE LITERATURE, IT IS SAID THAT THE DIKE IS POSSIBLY RELATED TO SILLS LOWER IN THE BELT SEQUENCE

Economic information about the deposit and operations

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

Comments on the production information

  • PRODUCTION MAY HAVE PARTIALLY COME FROM SURFACE PITS

Workings at the site

  • Type of workings Surface/Underground
    Length 167.64M

Comments on the workings information

  • 2 ADITS, ONE CAVED. NO STOPES OBSERVED IN ACCESSIBLE ADIT BUT THERE MAY HAVE BEEN A STOPE ALONG THE CAVED CROSSCUT THAT FOLLOWS A HEAVY FAULT 265 FT FROM PORTAL

Reference information

Bibliographic references

  • Deposit

    VAN LOENEN, R.E., HAFFTY, JOSEPH, AND EARHART, R.L., 1984, PLATINUM AND PALLADIUM IN A MAFIC DIKE, SANDERS COUNTY, MONTANA: U.S. GEOLOGICAL SURVEY BULLETIN 1694-G, P. 83-89.

  • Deposit

    INGERSOLL, R.G., JR., GALLOWAY, GARY, AND DUNN, MICHAEL, 1982, FIELD INVENTORY OF MINERAL RESOURCES, FLATHEAD INDIAN RESERVATION, MONTANA: U.S. BUREAU OF MINES REPORT BIA 22-II, 38 P. + APPENDIX.

  • Deposit

    CROWLEY, F.A., 1963, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), SANDERS COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 34, 58 P.

  • Production

    CROWLEY

General comments

Subject category Comment text
Deposit DEPOSIT IS PROBABLY SIMILAR TO DRAKE DEPOSIT. IT LIES TO NORTH WITHIN SAME DIKE; UNPUBLISHED MODEL NAME: REVAIS CREEK CU-AU-PGE.
Deposit RECORD DC11292 HAS BEEN MERGED AND DELETED. SEE ALSO: MRDS W026566.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1979 Rojstaczer, Stuart A. Unknown
Updater 01-OCT-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

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