Rock Creek

Occurrence in Sanders county in Montana, United States with commodities Copper, Silver
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Reserves and resources
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10048813
MRDS ID MP90043
Record type Deposit
Mineralized Area Revett copper deposits
Current site name Rock Creek

Comments on the site identification

  • *****SEE Rock Creek Project (Plant) Deposit ID 10284559 for additional info

Geographic coordinates

Geographic coordinates: -115.67773, 48.07937 (WGS84)

Site location context

Political divisions (FIPS codes)

Sanders(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elephant Peak(quadrangle 1:24,000 scale)

Libby(quadrangle 1:100,000 scale)

Kalispell(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Kootenai National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Cabinet Mountains Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Montana Sanders

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal T27N R32W 13, 14, 22-27, 34, 35 Montana

Comments on the location information

  • Political location in record was Lincoln county. However, lat/long fall 2 km inside adjacent Sanders county. Original coordinates were: lat/long NAD27 48-4-12N 115-39-36W (48.07 -115.66); UTM N<blank> E<blank> Z11N; PLSS line# : Meridian- <blank>, TWNSHP <blank>, RNG <blank>, Sect <blank>, Sect_fract <blank>. Boleneus et al, 2005 coordinates NAD27 48.0795 -115.6767 were used here, and in duplicate record 10294559. County name was changed to Sanders.

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Silver Ore
Chlorite Gangue

Mineral occurrence model information

Model code 197
USGS model code 30b
Deposit model name Sediment-hosted Cu
Mark3 model number 63
Model code 200
USGS model code Unassigned
Deposit model name Sediment-hosted Cu, Revett
Mark3 model number 64

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock type qualifier Siltite with interbedded argillite and quartzite.
    Rock unit name Revett (middle)
    Stratigraphic age (youngest) Proterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock type qualifier Predominantly quartzite with interbedded siltite and argillite.
    Rock unit name Revett (lower)
    Stratigraphic age (youngest) Proterozoic

Nearby scientific data

(1) -115.67773, 48.07937

Economic information

Geologic structures

Type of structure Local
Structure name Copper Lake Fault
Type of structure Local
Structure name Moran Fault
Type of structure Local
Structure name anticline

Ore body information

  • General form Tabular
    Length 4900M
    Width 2200M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1963
Discoverer Bear Creek Mining Company

Mining district

District name Cabinet Mountains Area

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category National Wilderness
Area name Patented minerals in Cabinet Mountains Wilderness

Ownership information

  • Type Owner
    Owner Revett Silver Company
    Interest 100
    Home office Spokane, WA
    Year 2009
  • Type Owner
    Owner Bear Creek Mining company (Kennecott)
    Year 2009
    First year 1963
    Last year 2000
  • Type Lessor
    Owner ASARCO
    Year 2009
    First year 1974
    Last year 1999

Reserves and resources

  • Type In-situ
    Estimate year 2004
    Inferred 124000000mt ore
    Remarks Total inferred mineral resources (CIM standards). Minimum thickness 16 feet, lower cutoff of $10 US at $7 US per ounce silver and $1 US per pound copper.\nCouture and Tanaka, NI 43-101 report, 2005, p. 42, Table 5.
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 55 g/mt Silver Primary 2004
    Copper Cu 0.72 wt-pct Copper Primary 2004

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SEDIMENT-HOSTED CU, REVETT

Reporter information

Type Date Name Affiliation Comment
Reporter 31-JUL-1995 Sachiko Tanikawa U.S. Geological Survey
Editor 09-SEP-2008 Schruben, Paul U.S. Geological Survey Fixed lat/long - county disagreement.
Updater 05-JAN-2010 Causey, J. Douglas U.S. Geological Survey

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:

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.