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Shamrock Mine

Past Producer in Granite county in Montana, United States with commodities Lead, Zinc, Copper, Gold, Silver
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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. 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 10013350
MRDS ID D009589
Record type Site
Current site name Shamrock Mine

Geographic coordinates

Geographic coordinates: -113.09535, 46.49572 (WGS84)
Location accuracy 500(meters)
Relative position S OF WASA.

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pikes Peak(quadrangle 1:24,000 scale)

Philipsburg(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 34 NE OF NW Montana

Comments on the location information

  • INFO FROM LAND.ST :(1971)

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Copper Secondary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Pyrite Gangue

Analytical data

Result 4.75% ZN, 0.05% PB, 0.05-0.42% CU, TRACE AU AG.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Kootenai Formation
    Rock description Kootenai Formation
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -113.09535, 46.49572
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Wasa-Shamrock Fault, Dunkleberg Anticline
Type of structure Local
Structure description Wasa-Shamrock Fault, Royal Stock

Ore body information

  • Length 762M

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

Reference information

Bibliographic references

  • Deposit

    USBM RI 5014,P. 10, 12, FIG. 3, 10

General comments

Subject category Comment text
Deposit FAULTED AND MINERALIZED ZONE WITH A DECREASE IN WIDTH TOWARD THE SOUTH. 2 SOUTH-TRENDING MINERALIZED OUTCROPS ARE FOUND SEPARATED WITH ARGILLITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 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.

Maps centered on this site