Grubstake Lode

Prospect in Jefferson county in Montana, United States with commodities Gold, Silver, Copper, Lead
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. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10022826
MRDS ID FS00315
Record type Site
Current site name Grubstake Lode

Geographic coordinates

Geographic coordinates: -112.30727, 45.98184 (WGS84)
Elevation 1768
Relative position 2 MILES E OF DELMOE LAKE

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Delmoe Lake(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(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 Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003N 006W 25,26 Montana

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary
Copper Tertiary
Lead Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore

Analytical data

Result ASSAY REPORT AU - .03, AG - TRACE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Boulder Batholith, Qtz Monzonite
    Rock description Boulder Batholith, Qtz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -112.30727, 45.98184

Economic information

Ore body information

  • General form IRREGULAR
    Thickness 1.52M
    Length 13.72M

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1939
Discoverer Filmore Mikkola

Mining district

District name Pipestone District

Ownership information

  • Type Owner
    Owner Filmore Mikkola

Workings at the site

  • Type of workings Underground
    Length 109.73M

Comments on the workings information

  • TUNNEL IS CAVED AT 160 FEET

Reference information

Bibliographic references

  • Deposit

    1941 DIREXPL USFS

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.