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Scratchgravel Hills Placer

Past Producer in Lewis and Clark county in Montana, United States with commodity Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10011773
MRDS ID D006895
Record type Site
Current site name Scratchgravel Hills Placer
Alternate or previous names Iowa, Butcherknife and Spring Gulches

Geographic coordinates

Geographic coordinates: -112.08421, 46.67629 (WGS84)
Relative position THE SUMMIT OF SCRATCHGRAVEL HILL IS 9.2 KM NW OF HELENA'S CITY HALL.

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)

Federal lands

Bureau of Land Management(Bureau of Land Management MT)

Bureau of Land Management MT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 011N;010N 004W;004W 21,22,23,26,27,28,34;3 Montana

Comments on the location information

  • LAT. LONG. ARE FOR SUMMIT OF SCRATCHGRAVEL HILL. IOWA GULCH IS NW, BUTCHERKNIFE IS N, AND SPRING GULCH IS S OF THE SUMMIT OF SCRATCHGRAVEL HILL.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -112.08421, 46.67629
ListMap

Economic information

Geologic structures

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

Comments on the geologic information

  • A CONSIDERABLE AREA IN THE WIDE VALLEY IN THE S PART OF THE HILLS IS COVERED WITH A THIN SHEET OF GOLD BEARING GRAVEL.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1864

Mining district

District name Scratchgravel Hills District

Comments on the production information

  • INTERMITTENT PRODUCTION, VALUE OF GOLD NOT KNOWN.

Comments on the workings information

  • PLACER WORKINGS HAVE BEEN INTERMITTENT.

Reference information

Bibliographic references

  • Deposit

    MBMG MEM 26, P. 55, 59.

  • Deposit

    USGS BULL. 842, P. 36.

  • Deposit

    MBMG MEM 5, P. 24.

  • Deposit

    USGS PP 610, P. 154.

  • Production

    MBMG MEM 26, P. 59.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-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