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  3. Mineral Resource Data System (MRDS)

Mayflower Group Occurrence

Occurrence in Lemhi county in Idaho, United States with commodities Copper, Gold, Silver
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10070528
MRDS ID W013497
MAS/MILS ID 0160590038
Record type Site
Current site name Mayflower Group Occurrence

Geographic coordinates

Geographic coordinates: -114.28783, 45.28069 (WGS84)
Elevation 1311
Relative position 9 MILES NW. OF LEESBURG, IDAHO

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Creek Rapids(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 023N 018E 36 S2 Idaho

Comments on the location information

  • S Wall Of Beaver Cr Canyon 3.5 Mi Above Jct With Panther Cr, 5 Mi S Of Beaver Cr

Commodities

Commodity Importance
Copper Primary
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Epidote Gangue
Garnet Gangue
Magnetite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Leaching

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Schist
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -114.28783, 45.28069
ListMap

Economic information

Geologic structures

Type of structure Local
Structure name Brecciation
Structure description Brecciation

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • Original alteration entry:
    Local - Leaching
  • Original ore control entry:
    Shear Zone

Economic information about the deposit and operations

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

Mining district

District name Mackinaw District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category National Forest
Area name Salmon National Forest

Comments on development

  • 3 Patented Claims

Reference information

Bibliographic references

  • Deposit

    Umpleby, J.B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 30-DEC-1996 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.

Maps centered on this site