Bresnahan and Fenner

Occurrence in Deer Lodge county in Montana, United States with commodities Silver, Copper, Lead, Tungsten, Bismuth, Cobalt
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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  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 10094779
MRDS ID DC08480
Record type Site
Current site name Bresnahan and Fenner

Geographic coordinates

Geographic coordinates: -113.0823, 46.19433 (WGS84)
Elevation 2182
Location accuracy 1000(meters)
Relative position 1.5 KM S OF OLSON MT. SUMMIT.

Site location context

Political divisions (FIPS codes)

Deer Lodge(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Valley(quadrangle 1:24,000 scale)

Philipsburg(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)

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 Deer Lodge

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 005N 012W 10,15 SE OF SE (10); NE OF NE (15) Montana

Comments on the location information

  • E SIDE OF BUCK GULCH ; INFO FROM LAND.ST :(1971)

Commodities

Commodity Importance
Silver Primary
Copper Secondary
Lead Secondary
Tungsten Critical Secondary
Bismuth Critical Tertiary
Cobalt Critical Tertiary

Materials information

Materials Type of material
Scheelite Ore
Calcite Gangue
Goethite Gangue
Hematite Gangue
Kyanite Gangue
Quartz Gangue
Tremolite Gangue

Analytical data

Result SAMPLE-0.13% WO3
Result FROM STOCK PILE OF SORTED ORE-0.34% WO3

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Hasmark Formation;Jefferson Formation;Madison Formation
    Rock description Hasmark Formation;Jefferson Formation;Madison Formation

Economic information

Ore body information

  • Strike N20W
    Dip VERTICAL

Comments on the geologic information

  • BEDS OF MARBLIZED LIMESTONE STRIKE NORTH AND ARE FLAT LYING. PROPERTY LIES BETWEEN TWO STOCKS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Olson Gulch District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner R. Bresnahan And Others

Workings at the site

  • Type of workings Surface/Underground
    Length 16.76M
    Overall depth 3.05M

Comments on the workings information

  • BULLDOZER CUT , ADIT

Reference information

Bibliographic references

  • Deposit

    USBM RI 5612, P. 2, 43, 45, 54

General comments

Subject category Comment text
Deposit QUARTZ VEIN SCHEELITE IS DISSEMINATED.
Deposit ANOTHER MINE ABOUT 1000 FT N THAT HAS GALENA ORE WITH AG, CU, PB, SB, AND BI AS COMMODITIES. IT IS IN THE SAME KIND OF HOST ROCK. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-DEC-1980 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.