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

Horse Mountain Occurrence

Occurrence in Adams county in Idaho, United States with commodity Copper
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10070177
MRDS ID W012906
MAS/MILS ID 0160030022
Record type Site
Current site name Horse Mountain Occurrence

Geographic coordinates

Geographic coordinates: -116.6616, 45.11547 (WGS84)
Elevation 1737
Relative position ABOUT 2 1/3 MI NE OF CUPRUM

Site location context

Political divisions (FIPS codes)

Adams(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cuprum(quadrangle 1:24,000 scale)

Riggins(quadrangle 1:100,000 scale)

Grangeville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brownlee Reservoir(hydrologic unit)

Middle Snake-Powder(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Payette 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 Idaho Adams

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 021N 003W 35 NWSE Idaho

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Malachite Ore
Hematite Gangue
Ilmenite Gangue

Alteration

  • (Local) Chlorite, Epidote, Sericite, Calcite

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Felsic Metamorphic Rock > Keratophyre
    Rock unit name Copper Cliffs Sequence-Keratophyre Tuff Breccia
    Rock description Copper Cliffs Sequence-Keratophyre Tuff Breccia
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Felsic Metamorphic Rock > Keratophyre

Nearby scientific data

(1) -116.6616, 45.11547
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Unit Strikes Ne, Fault Strikes N - Nw.

Ore body information

  • General form POD/LENS

Controls for ore emplacement

  • Fractures, Fault

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Seven Devils District

Land status

Ownership category National Forest
Area name Payette National Forest

Reference information

Bibliographic references

  • Deposit

    Morganti, J. M., 1972, Geology And Ore Deposits Of The Cuprum Area, Seven Devils Mining District, Hells Canyon, Idaho: Pullman, Wash., Wash. State Univ., Ms Thesis, 153 P

  • Deposit

    V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Grangeville Quad, Location No. 141

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Miller, Pat J. U.S. Geological Survey
Reporter 16-MAY-1995 Winters, Dick U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site