Greenwalt Placer

Past Producer in Elmore county in Idaho, United States with commodity Gold
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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10090083
MRDS ID W007887
MAS/MILS ID 0160390718
Record type Site
Current site name Greenwalt Placer
Alternate or previous names Black Warrior Placers

Geographic coordinates

Geographic coordinates: -115.25704, 43.84018 (WGS84)
Elevation 1585
Relative position 3 1/2 MI SW OF EAST WARRIOR PEAK

Site location context

Political divisions (FIPS codes)

Elmore(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Phifer Creek(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 006N 010E 22 Idaho

Comments on the location information

  • At The Junction Of West Warrior Cr. And Black Warrior Cr.

Commodities

Commodity Importance
Gold Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Idaho Batholith-Granodiorite
    Rock description Idaho Batholith-Granodiorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Alluvium
    Rock unit name Alluvium
    Rock description Alluvium

Nearby scientific data

(1) -115.25704, 43.84018

Economic information

Ore body information

  • General form IRREGULAR
    Thickness 4.57M

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1925

Mining district

District name Black Warrior District

Land status

Ownership category National Forest
Area name Boise National Forest

Workings at the site

  • Type of workings Surface
    Overall length 9655.8M
    Overall width 106.68M

Comments on development

  • 6 Claims

Reference information

Bibliographic references

  • Deposit

    Ballard, S. M., 1928, Geology And Ore Deposits Of Rocky Bar Quadrangle: Idaho Bureau Of Mines & Geol. Pam. 26, P. 4

  • Deposit

    1928 Geolmap Idaho Bureau Of Mines & Geol. Pam. 2

  • Deposit

    IBMG Mines & Prospects Of Hailey Quad, 1981, Hustedde.

  • Production

    Ballard, S. M., 1928, Idaho Bureau Of Mines & Geol. Pam. 26, P. 40

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1975 Steigner, William D. U.S. Geological Survey
Updater 01-SEP-1976 Siefken, Robert R. U.S. Geological Survey
Reporter 14-NOV-1983 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.