Dandy Mine

Past Producer in Granite county in Montana, United States with commodities Gold, Silver, Zinc
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. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10019705
MRDS ID DC11185
Record type Site
Current site name Dandy Mine
Alternate or previous names Big Six Property

Geographic coordinates

Geographic coordinates: -113.29871, 46.81656 (WGS84)
Relative position 4.1 KM NE OF BEARTOWN, 0.9 KM W OF SUMMIT CABIN

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elevation Mountain(quadrangle 1:24,000 scale)

Missoula East(quadrangle 1:100,000 scale)

Butte(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)

Geographic areas

Country State County
United States Montana Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 012N 014W 12 NW OF NE Montana

Comments on the location information

  • W SLOPE OF ELK CR.

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Gold Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result NO 2 ADIT $30/TON AU, SULPHIDE ORE IN ADIT 3 IS $20/TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Garnet Stock
    Rock description Garnet Stock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
    Rock unit name Silver Hill Formation;Flathead Formation;Missoula Group
    Rock description Silver Hill Formation;Flathead Formation;Missoula Group
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -113.29871, 46.81656

Economic information

Geologic structures

Type of structure Regional
Structure description Bearmouth Overthrust
Type of structure Local
Structure description Garnet Stock

Ore body information

  • General form PINCH AND SWELL, BANDED
    Width 1.22M

Comments on the geologic information

  • OXIDATION IS COMPLETE ABOVE ADIT 2.

Economic information about the deposit and operations

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

Mining district

District name Elk Creek District

Ownership information

  • Type Operator
    Owner J. D. Hollowell
    Home office Drummond, Mt.
  • Type Owner
    Owner Louis Imhof
    Home office 785 Park Ave., New York, N.Y.

Comments on the production information

  • PRODUCTION PRE 1919; 1922, 1923, 1933-34, 1939-41,

Workings at the site

  • Type of workings Underground
    Length 914.4M

Comments on the workings information

  • 3 ADIT LEVELS, LOWEST ADIT NO. 3 IS 1000 FT LONG, ADIT 2 AND 1 ARE ABOUT 850 AND 200 FT IN LENGTH. THERE ARE SEVERAL CROSSCUTS AND RAISES.

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 8, P. 13, 14, 24.

  • Deposit

    USGS BULL 660, P. 201-3.

  • Deposit

    MBMG BULL 33, P. 10.

  • Production

    MBMG BULL 8.

General comments

Subject category Comment text
Deposit THE VEIN CUTS THE QUARTZITE, SHIST AND SHALE AT RIGHT ANGLES TO THEIR GENERAL DIRECTION. IN ADIT 1 A FAULT A PORTION OF THE VEIN 200 FT TO THE SOUTH. THE VEIN IS CUT OFF NEAR THE MOUTH OF ADIT 2, AT A POINT BELOW IN ADIT 3 IT IS MOVED BY A NW FAULT ZONE. PYRITE IS GENERALLY GATHERED ALONG THE MIDDLE OF THE VEIN AS MUCH AS A FT THICK.
Deposit DEVELOPING IN 1959. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-APR-1981 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.

External references