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Gold Chance Mine

Past Producer in Custer county in Idaho, United States with commodities Gold, Silver, Fluorine-Fluorite, Uranium
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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. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10105687
MRDS ID W014167
MAS/MILS ID 0160370395
Record type Site
Current site name Gold Chance Mine

Geographic coordinates

Geographic coordinates: -114.84653, 44.25459 (WGS84)
Elevation 2134
Relative position 4 MI NE OF LOWER STANLEY

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

East Basin Creek(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 011N 014E 29 C S2N2 Idaho

Comments on the location information

  • Located Between Big Basin Creek and A Ridge Crest To the East. East Side of Big Casino Creek Land Status Value Calculated 7-94 Using Gis Overlay Analysis With Usfs Land Ownership Boundaries, 1:126,720 Scale.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Fluorine-Fluorite Critical Tertiary
Uranium Tertiary

Materials information

Materials Type of material
Fluorite Ore
Calcite Gangue
Chalcedony Gangue
Chlorite Gangue
Kaolinite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification, Oxidation

Analytical data

Result MAXIMUM ASSAYED VALUES OF $ 20 / TON AU AND AG. AN AMOLOUS RADIOACTIVITY UP TO 0.30 MILLIROENTGENS. 1 SAMPLE FROM PORPHYRY DIKE ASSAYED 0.01 % U3O8 AND 0.08 OZ AU/TON. RADIOACTIVITY WAS 10 TIMES BACKGROUND. A SELECT SAMPLE FROM STOCKPILE CONTAINED 0.01 OZ AU/TON AND 1.1 OZ AG/TON. OTHER SELECT SAMPLES ASSAYED 45.0 % CAF2, TRACE-0.10 OZ AU/TON, 0.1 - 0.5 OZ AG/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Idaho Batholith-Quartz Monzonite, Granodiorite;Rhyolite Dikes.;Pegmatite Dikes
    Rock description Idaho Batholith-Quartz Monzonite, Granodiorite;Rhyolite Dikes.;Pegmatite Dikes
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -114.84653, 44.25459
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Idaho Batholith
Type of structure Local
Structure description Brecciation, Gouge

Ore body information

  • General form LINEAR
    Thickness 0.61M

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1893
Discoverer Richardson

Mining district

District name Stanley District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Challis National Forest
Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Operator
    Owner John Benzer
  • Type Owner
    Owner Humble Oil Co.
    Interest 100
    Home office Texas
    Year 1976

Comments on the production information

  • Original Owner Mined Approximately $6,000 In Gold.

Workings at the site

  • Type of workings Surface/Underground
    Length 274.32M

Comments on the workings information

  • The Workings Consist of 1 Open Adit, 3 Caved Adits, 2 Caved Shafts, 6 Prospect Pits

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit Veins Maybe Part of Northeast Extension of Giant Spar Fluorite Zone

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1975 Yett, Jay R.; Miller, Pat U.S. Geological Survey
Reporter 30-JUN-1992 Federspiel 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