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Browns Creek Prospect

Prospect in Elmore county in Idaho, United States with commodities Gold, Silver, Zinc, Lead
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10070773
MRDS ID W013856
MAS/MILS ID 0160390634
Record type Site
Current site name Browns Creek Prospect

Geographic coordinates

Geographic coordinates: -115.19284, 43.87048 (WGS84)
Elevation 1951
Relative position 5.5 MI. NNW 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

Atlanta West(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 011E 07 SENESE Idaho

Comments on the location information

  • W. Side And Near Top Of Ridge Between Browns Creek And Little Queens River

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Zinc Critical Tertiary
Lead Tertiary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Analytical data

Result SAMPLE ACROSS VEIN CONTAINED 0.02 OZ. AU/TON, 0.04 OZ. AG/TON.
Result OTHER SAMPLES ASSAYED 0.01 - 0.04 OZ. AU/TON, 0.2 - 2.7 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 Dacite Porphyry, Andesite
    Rock description Idaho Batholith-Granodiorite;Dike Dacite Porphyry, Andesite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -115.19284, 43.87048
ListMap

Economic information

Ore body information

  • Strike NW
    Dip NE

Controls for ore emplacement

  • Contact Of Granodiorite And Dacite Porphyry Dike

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1948
Discoverer Harold M. Greenwalt, William Launhardt, H. L. Liston

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

Comments on the workings information

  • 3 Adits
  • Workings Consist Of Three Adits. Samples From Exposed Quartz Vein And Dump Contained Values Ranging From 0.3 To 1.4 Gram Gold Per Metric Ton; 1.4 To 92.5 Silver Per Metric Ton. Stream-Sediment Samples From Tributaries Along The Western Side Of Browns Creek Were Not Anomalous. Samples From The Headwaters Of Browns Creek Were Anomalous In Zinc And Lead.

Comments on development

  • Prospect On Sunset Claim

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

    V.E. Mitchell, Et. Al., 1981, Hailey Quad, Mines And Prospects Map Series

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Everett, Sandra E. (Miller, Pat) U.S. Geological Survey
Reporter 25-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.

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