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  3. Mineral Resource Data System (MRDS)

Grey Rock Claim

Occurrence in Deer Lodge county in Montana, United States with commodities Gold, Silver, Iron
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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. Controls for ore emplacement
  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 10019073
MRDS ID DC08485
Record type Site
Current site name Grey Rock Claim
Alternate or previous names Bung Your Eye

Geographic coordinates

Geographic coordinates: -113.10785, 46.17795 (WGS84)
Elevation 1902
Location accuracy 250(meters)
Relative position 0.25 MI NE OF THE MAYFLOWER CLAIM, ON N SLOPE.

Site location context

Political divisions (FIPS codes)

Deer Lodge(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Valley(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 Deer Lodge

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 005N 012W 21 NW OF NE Montana

Comments on the location information

  • 2.2 KM N OF WARM SPRING CREEK ; INFO FROM LAND.ST :(1971)

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Iron Tertiary

Materials information

Materials Type of material
Gold Ore
Magnetite Ore
Diopside Gangue
Garnet Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Madison Formation
    Rock description Madison Formation

Nearby scientific data

(1) -113.10785, 46.17795
ListMap

Economic information

Controls for ore emplacement

  • Granite In Fracture Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1885

Mining district

District name Olson Gulch District

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 106.68M

Comments on the workings information

  • TUNNEL

Reference information

Bibliographic references

  • Deposit

    USGS PP 78, P. 244.

  • Deposit

    MBMG BULL 84, P. 33, 35

General comments

Subject category Comment text
Deposit METAMORPHOSED LIMESTONE CONTAINS CONSIDERABLE MAGNETITE. BEFORE MEAMORPHISM OF THE LIMESTONE THE GRANITE AND LIMESTONE WERE FRACTURED NEAR THE CONTACT. THE FRACTURED ZONE IS SAID TO CARRY GOLD.
Deposit Discovery Year: 1880'S (?)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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