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Scratch Gravel Gold Mine

Past Producer in Lewis and Clark county in Montana, United States with commodities Gold, Silver, Lead, Zinc
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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. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  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 10015854
MRDS ID DB02115
Record type Site
Current site name Scratch Gravel Gold Mine

Geographic coordinates

Geographic coordinates: -112.06616, 46.6374 (WGS84)
Relative position .5 MILE SE OF THE FRANKLIN MINE

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Scratchgravel Hills(quadrangle 1:24,000 scale)

Elliston(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 010N 004W 11 Montana

Comments on the location information

  • ABOUT 2.5 KM NE OF THE VA CENTER ; INFO FROM LAND.ST :(1950)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result 3-5 OZ/TON AU, 3-7 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Scratchgravel Quartz Monzonite Stock
    Rock description Scratchgravel Quartz Monzonite Stock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Belt Series
    Rock description Belt Series

Nearby scientific data

(1) -112.06616, 46.6374
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Scratchgravel Quartz Monzonite Stock

Ore body information

  • Strike N 60-70 W
    Dip 18-20 NE
    Length 457.2M
    Width 2.13M

Economic information about the deposit and operations

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

Mining district

District name Scratchgravel Hills District

Land status

Ownership category State

Comments on the reserve resource information

  • BLOCK OF ORE BETWEEN FRANKLIN MINE AND SCRATCH GRAVEL MINE THAT IS 200-300 FT. LONG IS SAID TO HAVE NOT BEEN WORKED OUT

Workings at the site

  • Type of workings Surface/Underground
    Length 914.4M
    Overall depth 152.4M

Comments on the workings information

  • INCLINED SHAFT, SEVERAL STOPES AND RAISES, OPEN PITS. FLOODED TO A FEW FEET FROM SURFACE, 1926.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit COULD BE EXTENSION OF FRANKLIN VEIN OR A VEIN PARALLEL TO IT. DOES NOT APPEAR TO PINCH OUT WITH DEPTH

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Elliott, James E. U.S. Geological Survey
Updater 01-NOV-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.

Maps centered on this site