1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Rocky Claims

Prospect in Stillwater county in Montana, United States with commodities Cobalt, Copper, Nickel
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10197438
MAS/MILS ID 0300950035
Record type Site
Current site name Rocky Claims
Alternate or previous names Chrome Lake

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -109.79749, 45.35022 (WGS84)
Elevation 2580
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Stillwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Wood(quadrangle 1:24,000 scale)

Red Lodge(quadrangle 1:100,000 scale)

Billings(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Stillwater(hydrologic unit)

Upper Yellowstone(hydrologic accounting unit)

Upper Yellowstone(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Custer Gallatin 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 Stillwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 005 S 016 E 31 SWSE Montana

Commodities

Commodity Importance
Cobalt Critical Tertiary
Copper Tertiary
Nickel Critical Primary

Nearby scientific data

Ore Body (1) -109.79749, 45.35022
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No

Mining district

District name Stillwater

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Cyprus Mines Corp.
    Year 1988

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 15-OCT-93 McHugh, Edward L. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

  • Cyprus Mines Corp. — now part of Subsidiary of Freeport-McMoRan (2007)
    Merged with AMAX into Cyprus Amax (1993); then to Phelps Dodge (1999); then to Freeport-McMoRan (2007).

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

Maps centered on this site