Pearl Mine

Past Producer in Granite county in Montana, United States with commodities Lead, Silver, Copper
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. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10019328
MRDS ID DC09541
Record type Site
Current site name Pearl Mine

Geographic coordinates

Geographic coordinates: -113.09119, 46.51045 (WGS84)
Relative position 11.9KM SW OF HASKELL.

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dunkleberg Creek(quadrangle 1:24,000 scale)

Missoula East(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(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 Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 009N 012W 27 NW OF NW Montana

Comments on the location information

  • ABOUT 1 MI N OF WASA MINE. ; INFO FROM LAND.ST :(1958)

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Copper Secondary

Materials information

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

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Colorado Shale
    Rock description Colorado Shale
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -113.09119, 46.51045

Economic information

Geologic structures

Type of structure Regional
Structure description Dunkleberg Anticline
Type of structure Local
Structure description Royal Stock

Ore body information

  • General form STRATABOUND
    Strike N20E
    Dip 50W
    Thickness 0.61M

Comments on the geologic information

  • THE ANTICLINE HAS A NORTHWARD TREND AND PLUNGE.

Economic information about the deposit and operations

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

Mining district

District name Dunkleberg District

Land status

Ownership category National Forest

Comments on the workings information

  • CAVED INCLINE, RUINS OF SMALL BLAST FURNACE.

Reference information

Bibliographic references

  • Deposit

    USGS BULL 660, P. 246.

  • Deposit

    USBM RI 5014, P. 16, FIG. 2, 4B.

General comments

Subject category Comment text
Deposit MINERALIZATION WAS LOCALIZED BY A BEDDING-PLANE FAULT, STRIKING N 15-35 E AND DIPPING 45-60 W.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-OCT-1982 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.