Mary Ann Prospect

Past Producer in Lemhi county in Idaho, United States with commodities Gold, Copper, Cobalt, 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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10070555
MRDS ID W013537
MAS/MILS ID 0160590698
Record type Site
Current site name Mary Ann Prospect

Geographic coordinates

Geographic coordinates: -114.39903, 45.17488 (WGS84)
Elevation 1737
Relative position 9 3/4 MI. NW OF COBALT

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gant Ridge(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Panther(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis 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 Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 021N 018E 06 SW Idaho

Commodities

Commodity Importance
Gold Primary
Copper Tertiary
Cobalt Critical Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Cobaltite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Yellowjacket Formation
    Rock description Yellowjacket Formation-Schist, Phyllite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
    Rock unit name Yellowjacket Formation

Nearby scientific data

(1) -114.39903, 45.17488

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Blackbird District

Land status

Ownership category National Forest
Area name Salmon National Forest

Reference information

Bibliographic references

  • Deposit

    Bennett, E. H., 1976, Personal Communication

  • Deposit

    Bennett, 1977, IBMG Pam 167, Pl 2.

  • Deposit

    Elk City Quad, IBMG Mine And Prospect Map Series 1982, V.E. Mitchell, Et Al.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1976 Stull, Susan A.; Miller, Pat U.S. Geological Survey
Reporter 15-OCT-1990 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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