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Croesus Mine

Past Producer in Blaine county in Idaho, United States with commodities Silver, Lead, Gold, Copper
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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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Production statistics
  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 10070648
MRDS ID W013668
Record type Site
Current site name Croesus Mine
Related records 10168386

Geographic coordinates

Geographic coordinates: -114.3469, 43.4739 (WGS84)
Elevation 1829
Relative position 5 MI SW OF HAILEY

Site location context

Political divisions (FIPS codes)

Blaine(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bellevue(quadrangle 1:24,000 scale)

Fairfield(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Wood(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Blaine

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 002N 018E 29,30 Idaho

Comments on the location information

  • IN LOWER SCORPIAN GULCH

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary
Copper Tertiary

Comments on the commodity information

  • SHIPPING ORE AVG $40 - $60/TON, MILLING ORE $10 - $12/TON

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Sericitization, Oxidation

Analytical data

Result PB - AG ORE REPORTED TO CONTAIN 5 TO 20% PB, 1 OZ AG FOR EACH % OF PB, 0.25 - 0.35 OZ AU/TON, GOLD VEIN AVG. $65 IN AU + AG, WITH 2.5 OZ AU TO 15 OZ AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Idaho Batholith-Granodiorite;Lamprophyre, Diabase Dikes
    Rock description Idaho Batholith-Granodiorite;Lamprophyre, Diabase Dikes
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -114.3469, 43.4739
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Younger Lamprophyre Dikes Intrude Fracture Zone

Ore body information

  • General form LENSES
    Strike SE
    Dip 65 DEG NE
    Length 57M
    Width 12.19M

Controls for ore emplacement

  • Fracture Zone Up To 40 Ft Wide, Fissures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1881

Mining district

District name Mineral Hill District

Land status

Ownership category Private

Production statistics

  • Year 1907
    Period 1885-1907
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^$8 Au/Ton, 31.4 Oz Ag/Ton, 48-60% Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Lead Lead 54wt-pct
    Ore Silver Silver 887g/mt

Workings at the site

  • Type of workings Underground
    Length 3048M
    Overall depth 262.13M

Comments on development

  • 100 - TON MILL ERECTED IN 1908.

Reference information

Bibliographic references

  • Deposit

    ANDERSON, A. L., AND OTHERS, 1950, DETAILED GEOLOGY OF CERTAIN AREAS IN THE MINERAL HILL AND WARM SPRINGS MINING DISTRICTS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 90, 73 P.

  • Deposit

    UMPLEBY, J. B. AND OTHERS, 1930, GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO, WITH A DESCRIPTION OF THE MINNIE MOORE AND NEAR-BY MINES: USGS BULL. 814, P. 1-245.

  • Deposit

    BELL, R. N., 1907, EIGHTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1906.

  • Deposit

    MOORE, F. C., 1910, ELEVENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1909.

  • Deposit

    1930 GEOLMAP J. B. UMPLEBY AND OTHERS, BULL. 814

  • Deposit

    1949 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 90

  • Production

    ITEMS 7-11, UMPLEBY, J. B., AND OTHERS, 1930, USGS BULL. 814; ITEM 17, BELL, R. N., 1907, EIGHTH ANNUAL MINING REPORT.

General comments

Subject category Comment text
Deposit 2 VEINS. ONE GOLD, THE OTHER LEAD - SILVER. GOLD VEIN DIPS 70 DEG. S., THE LEAD - SILVER VEIN DIPS 65 DEG N.

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-02-01 Steigner, William D.; Miller, Pat U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site