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  3. Mineral Resource Data System (MRDS)

Magnolia Creek Mine

Past Producer in Elmore county in Idaho, United States with commodities 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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10070770
MRDS ID W013853
MAS/MILS ID 0160390632
Record type Site
Current site name Magnolia Creek Mine

Geographic coordinates

Geographic coordinates: -115.23984, 43.89738 (WGS84)
Elevation 2134
Relative position 9 MI. NW OF ATLANTA, ID.

Site location context

Political divisions (FIPS codes)

Elmore(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nahneke Mountain(quadrangle 1:24,000 scale)

Idaho City(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North and Middle Forks Boise(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Boise 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 Elmore

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 007N 010E 35 SWSWSE Idaho

Comments on the location information

  • On N-Facing Slope About 300 Ft. Above Magnolia Creek

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Comments on the commodity information

  • Sample Of An Aplite Dike Assayed 12.3 Grams Gold And 123.3 Grams Silver Per Tonne. An Altered Iron-Stained Granodiorite Sample Contained 78.8 Grams Gold And 5.1 Grams Silver.

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Fe - Stains

Analytical data

Result SAMPLE OF DIKE ASSAYED 0.36 OZ. AU, 3.6 OZ. AG/TON. SMALL STOCKPILE SAMPLE OF GRANODIORITE HAD 2.3 OZ. AU, 0.15 OZ AG/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Idaho Batholith-Granodiorite;Dike-Aplite
    Rock description Idaho Batholith-Granodiorite;Dike-Aplite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) Granodiorite and two-mica granite.
ListMap

Economic information

Ore body information

  • Length 18.29M

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Black Warrior District

Land status

Ownership category National Forest
Area name Boise National Forest
Ownership category National Forest
Area name Boise National Forest

Ownership information

  • Type Owner
    Owner Shaffer, R.I.
    Home office Idaho
    Year 1970

Comments on the workings information

  • 1 Trench

Comments on development

  • 3 - Stamp Mill

Reference information

Bibliographic references

  • Deposit

    Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.

  • Deposit

    1970 Other T. H. Kiilsgaard And Others, Bulletin 1319-

  • Production

    Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Everett, Sandra E. (Miller, Pat) U.S. Geological Survey
Reporter 13-MAR-1995 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.

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