Golden Crown Mine

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

Geologic information

Identification information

Deposit ID 10098030
MRDS ID DB02185
Record type Site
Current site name Golden Crown Mine

Geographic coordinates

Geographic coordinates: -112.08366, 46.68518 (WGS84)
Location accuracy 100(meters)
Relative position ON SUMMIT OF THE SCRATCHGRAVEL HILLS, ON THE MAIN RIDGE JUST NORTH OF THE HIGHEST PEAK (SUMMIT 5,250 FT.)

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 004W 26,27 Montana

Comments on the location information

  • MAIN SHAFT ON E SIDE OF RIDE.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary
Antimony Critical Tertiary

Materials information

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

Analytical data

Result ASSAYS
Result SMALL LOT 120 FT. LEVEL $85/TON AG. OTHER PLACES $16-18/TON AU

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) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Belt Series
    Rock description Belt Series

Nearby scientific data

(1) -112.08366, 46.68518

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 30-40 E
    Dip 40 NW
    Length 304.8M
    Width 1.98M

Controls for ore emplacement

  • Along Intrusive Contact

Comments on the geologic information

  • BETWEEN THE PIT AND MAIN ADIT THE VEIN IS CRUSHED BY AN E TRENDING FAULT THAT HAS DROPPED THE BLOCK ON THE N BY 250 FT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1893

Mining district

District name Scratchgravel Hills District

Comments on the production information

  • "CONSIDERABLE" ORE PRODUCED, BUT NOT PROFITABLE DUE TO LOW RECOVERY IN MILLING. PRODUCTION YEARS 1893-1903. ORE MILLED AT SMALL MILL AT MINE SITE

Workings at the site

  • Type of workings Surface/Underground
    Length 207.26M
    Overall depth 115.82M

Comments on the workings information

  • INCLINED SHAFT, DRIFTS, "GLORY HOLE" PIT. WORKINGS FLOODED BELOW 220 FT. GLORY HOLE ON TOP OF RIDGE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit RICH ORE OCCURS IN STREAKS AND BUNCHES. THE VEIN IS MADE UP OF 2 PARALLEL 20 IN LAYERS. BETWEEN THEM IS ALTERED GRANITE WITH QUARTZ STRINGERS.

Reporter information

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