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  3. Mineral Resource Data System (MRDS)

Bobby Boy Lode

Occurrence in Lewis and Clark county in Montana, United States with commodities Lead, Silver
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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. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10022802
MRDS ID FS00282
Record type Site
Current site name Bobby Boy Lode
Related records 10270427

Geographic coordinates

Geographic coordinates: -112.41201, 47.03657 (WGS84)
Relative position PORCUPINE GULCH DRAINAGE

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cadotte Creek(quadrangle 1:24,000 scale)

Dearborn River(quadrangle 1:100,000 scale)

Choteau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blackfoot(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Helena-Lewis and Clark 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 Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 015N 006W 19 Montana

Commodities

Commodity Importance
Lead Tertiary
Silver Tertiary

Comments on the commodity information

  • CLAIMANT CLAIMS TWENTY DOLLAR VALUES IN PB AND AG - NO ASSAY REPORT WAS DONE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Boulder Batholith, Quartz Monzonite
    Rock description Boulder Batholith, Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • 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 Belt, Limestone, Shale, Quartzite, Argillite
    Rock description Belt, Limestone, Shale, Quartzite, Argillite

Nearby scientific data

(1) -112.41201, 47.03657
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Igneous Intrusives

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1940
Discoverer Clifford V. Cox

Mining district

District name Beaver Gulch

Ownership information

  • Type Owner
    Owner Clifford V. And Joyce M. Cox

Workings at the site

  • Type of workings Underground
    Length 85.34M

Comments on the workings information

  • TWO SHAFTS WERE DUG, SHAFT #2 IS CAVED #1 IS STILL ACCESIBLE. THE VEIN IS NOT EXPOSED FOR SAMPLING.

Reference information

Bibliographic references

  • Deposit

    1957 DIREXPL USFS

General comments

Subject category Comment text
Deposit MINERALIZATION IS ASSOCIATED WITH IGNEOUS INTRUSIVES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Steward, Candis 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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