Monarch Prospect

Prospect in Benewah county in Idaho, United States with commodities Lead, Copper, Zinc
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10089080
MRDS ID W012945
MAS/MILS ID 0160090006
Record type Site
Current site name Monarch Prospect

Geographic coordinates

Geographic coordinates: -116.49024, 47.37706 (WGS84)
Elevation 853
Relative position ABOUT 1 1/2 MI SE OF ENGEL MTN. ABOUT 6 MI NE OF ST. MARIES

Site location context

Political divisions (FIPS codes)

Benewah(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rochat Peak(quadrangle 1:24,000 scale)

Saint Maries(quadrangle 1:100,000 scale)

Spokane(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Joe(hydrologic unit)

Spokane(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management ID)

Bureau of Land Management ID BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Benewah

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 047N 001W 32 W2NE Idaho

Comments on the location information

  • About 1/2 Mi. S. Of The Hired Girl Or About 2 1/2 Mi. From Highway Which Follows The St. Joe River.

Commodities

Commodity Importance
Lead Primary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Pyrrhotite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Prichard Formation-Quartzite
    Rock description Prichard Formation-Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -116.49024, 47.37706

Economic information

Geologic structures

Type of structure Regional
Structure description Wnw St. Joe River Fault

Ore body information

  • Strike N 45 DEG W
    Dip 80 DEG SW

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • Quartzites Strike N 10 Deg W, Dip 23 Deg Ne.

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Roundtop District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Roundtop Mining Co.

Workings at the site

  • Type of workings Underground
    Length 313.94M

Comments on development

  • Claims Part Of 12 Unpatented Claims Controlled By Roundtop Mining Co.

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1928, A Geological Reconnaissance In The St. Maries Region, Idaho: Idaho Bureau Of Mines & Geology Pamphlet 30, P. 19

  • Deposit

    1928 Recon Idaho Bureau Of Mines And Geology Pamph 3

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1976 Miller, Pat J. U.S. Geological Survey
Reporter 22-MAY-1986 Kauffman, John D. U.S. Bureau of Mines

Beyond USGS

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