Eagle Creek

Prospect in Shoshone county in Idaho, 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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Mineral rights holdings
  15. Land status
  16. Ownership information
  17. Reserves and resources
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10218031
MAS/MILS ID 160790572
Record type Site
Current site name Eagle Creek
Alternate or previous names Niagara

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -115.86133, 47.67567 (WGS84)
Elevation 1120
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Shoshone(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Murray(quadrangle 1:24,000 scale)

Thompson Falls(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Coeur d'Alene(hydrologic unit)

Spokane(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Idaho Panhandle National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Shoshone

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 050 N 005 E 09,16,17,18 Idaho

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Stromeyerite Ore

Mineral occurrence model information

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 Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Revett Formation
    Rock description Revett Formation
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name St. Regis Formation
    Rock description St. Regis Formation
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

Main Entrance (1) -115.86133, 47.67567

Economic information

Ore body information

  • General form TABULAR
    Dip 25W
    Thickness 39M
    Length 457M
    Width 390M
    Depth to top 0M
    Depth to bottom 244

Comments on the ore body information

  • Orebody outcrops to the southeast, is bounded by faults to the west and northwest, and pinches out to the northeast.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1974
Discoverer Earth Resources Co.

Mining district

District name Eagle

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Lessee/Operator
    Owner Niagara Mining Co.
    Interest 100
    First year 1928
    Last year 1929
  • Type Owner
    Owner Niagara Mining and Development Co., Inc.
    Interest 100
    Home office Coeur d'Alene, Idaho
    First year 1955
    Last year 2002
  • Type Lessee/Operator
    Owner Earth Resources Co.
    Interest 100
    Home office Golden, Colorado
    First year 1974
    Last year 1978

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Demonstrated 15519000mt ore
    Total resources 15519000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 16.48 g/mt Silver Major 1978
    Copper Cu 0.47 wt-pct Copper Major 1978
  • Type In-situ
    Estimate year 1978
    Demonstrated 12620000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver 18.97 g/mt Silver Major 1978
    Copper 0.52 wt-pct Copper Major 1978

Comments on the reserve resource information

  • Resource estimate at a lower cutoff grade.
  • Resource estimate at a higher cutoff grade.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FOUR KM OF ROAD AND 16 KM OF TRANSMISSION LINES WOULD
Deposit HAVE TO BE CONSTRUCTED. WATER WOULD HAVE TO BE OBTAINED
Deposit FROM WELLS. LABOR IS NOT AVAILABLE AT THE SITE AND WOULD
Deposit HAVE TO COMMUTE FROM SURROUNDING COMMUNITIES.
Deposit THE PROPOSED PRODUCTION RATE OF 3500 MT/DAY INCLUDES
Deposit 175 MT/DAY OF DILUTION MATERIAL; A 5 PCT DILUTION FACTOR.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-90 Lindsey, David S. U.S. Bureau of Mines
Reporter 15-MAR-05 Long, Keith R. U.S. Geological Survey

Beyond USGS

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