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  3. Mineral Resource Data System (MRDS)

Pearl Mine

Past Producer in Granite county in Montana, United States with commodities Silver, Lead, Arsenic, Antimony
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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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10019606
MRDS ID DC10928
Record type Site
Current site name Pearl Mine

Geographic coordinates

Geographic coordinates: -113.26009, 46.32739 (WGS84)
Elevation 1844
Relative position 1.75MI ESE OF PHILIPSBURG.

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Philipsburg(quadrangle 1:24,000 scale)

Philipsburg(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flint-Rock(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 007N 013W 29 SW OF SW Montana

Comments on the location information

  • NE SLOPE OF FROST CR. ; INFO FROM LAND.ST :(1971)

Commodities

Commodity Importance
Silver Primary
Lead Primary
Arsenic Critical Tertiary
Antimony Critical Tertiary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Philipsburg Batholith
    Rock description Philipsburg Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -113.26009, 46.32739
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Philipsburg Batholith
Type of structure Local
Structure description Philipsburg Anticline, Philipsburg Overthrust

Ore body information

  • General form TABULAR
    Strike N87E
    Dip 75S
    Depth to top 0M

Comments on the geologic information

  • OXIDATION

Economic information about the deposit and operations

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

Mining district

District name Philipsburg (Granite-Flint Creek) District

Land status

Ownership category National Forest

Comments on the production information

  • A FEW CARLOADS WERE SHIPPED.

Workings at the site

  • Type of workings Underground
    Length 121.92M
    Overall depth 91.44M

Comments on the workings information

  • HOLED WITH AN ADIT 100FT BELOW THE COLLAR OF THE SHAFT. BELOW ADIT, MINE IS UNDERWATER

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SHEETING OF GRANITE. VEIN IS NARROW.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-DEC-1980 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