Hoodoo Prospects

Past Producer in Custer county in Idaho, United States with commodities Zinc, Silver, Copper, Lead, Cadmium

Geologic information

Identification information

Deposit ID 10071008
MRDS ID W014184
MAS/MILS ID 160370624
Record type Site
Current site name Hoodoo Prospects
Alternate or previous names Upper Hoodoo, Middle Hoodoo, Lower Hoodoo

Geographic coordinates

Geographic coordinates: -114.6333, 44.1711 (WGS84)
Elevation 2469
Relative position 15 MI ESE OF STANLEY, IDAHO
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Geographic areas

Country State County
United States Idaho Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 010N 016E 30 W2NW Idaho
Boise 010N 015E 25 Idaho

Comments on the location information

  • Located At the End of Slate Creek Road, 7 Mi S. of the Salmon River Land Status Value Calculated 7-94 Using Gis Overlay Analysis With Usfs Land Ownership Boundaries, 1:126,720 Scale.

Commodities

Commodity Importance
Zinc Primary
Silver Primary
Copper Tertiary
Lead Tertiary
Cadmium Tertiary

Materials information

Materials Type of material
Anglesite Ore
Chalcopyrite Ore
Galena Ore
Smithsonite Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Tremolite Gangue

Alteration

  • (Local) BrecciationBrecciation, Silicification, Oxidation
  • (Local) Silicification
  • (Local) Oxidation

Analytical data

Result SAMPLES ACROSS MAIN ZONE HAVE WEIGHTED AVERAGE OF 11.0% ZN, 0.47% PB AND 0.35 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
    Rock description Idaho Batholith-Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Milligen Formation-Argillites, Quartzites;Wood River Formation-Marble, Quartzite
    Rock description Milligen Formation-Argillites, Quartzites;Wood River Formation-Marble, Quartzite

Nearby scientific data

(1) -114.6333, 44.1711

Geologic structures

Type of structure Regional
Structure description Idaho Batholith

Ore body information

  • General form LINEAR, IRREGULAR, LENSES, PODS
    Strike NE
    Dip 70 DEG E
    Thickness 2.13M
  • General form TABULAR, FISSURE VEIN
    Strike N05E
    Dip 80E
    Thickness 5M
    Depth to top 1M
    Length 525M
    Area 15HA

Controls for ore emplacement

  • Faulting: Faulting
  • IGNEOUS:

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1930
Discovery method Ore-Mineral In Place
Year of first production 1973

Mining district

District name Slate Creek District
District name Boulder Creek District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Operator
    Owner Leroy Davis
  • Type Owner
    Owner Hoodoo Mining Corp.

Production statistics

  • Year 1973
    Material ore
    Ore mined 9,000mt
    Best? Y
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Zinc Zinc 5wt-pct
    Major Silver Silver 3g/mt
    Trace Lead Lead 0wt-pct
  • Year 1974
    Material ore
    Ore mined 10,000mt
    Best? Y
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Zinc Zinc 4wt-pct
    Major Silver Silver 3g/mt
    Trace Lead Lead 0wt-pct
  • Year 1975
    Material ore
    Ore mined 28,000mt
    Best? Y
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Zinc Zinc 5wt-pct
    Major Silver Silver 9g/mt
    Trace Lead Lead 0wt-pct
  • Year 1976
    Material ore
    Ore mined 31,000mt
    Best? Y
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Zinc Zinc 5wt-pct
    Major Silver Silver 3g/mt
    Trace Lead Lead 0wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1974
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 8.9 wt-pct Zinc Major 1974
  • Type In-situ
    Estimate year 1974
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 10.5 wt-pct Zinc Major 1974
  • Type In-situ
    Estimate year 1978
    Inferred 78,900mt ore
    Total resources 78,900mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc 11 wt-pct Zinc Major 1978
    Silver 11.9 g/mt Silver Major 1978
    Lead 0.47 wt-pct Lead Trace 1978
    Cadmium 0.08 wt-pct Cadmium Trace 1978

Workings at the site

  • Type of workings Underground
    Length 1367.03M
    Overall depth 269.75M

Comments on development

  • There Are 3 Separate Mines In This Group; the Upper, Middle, and Lower Hoodoo Mines. 28 Claims

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W014184
Idaho Geological Survey Idaho Mines and Prospects IMP CH1272 http://www.idahogeology.org/
U.S. Bureau of Mines Minerals Availability System MAS 160370624 data consolidated into this record
Mine Safety and Health Administration MSHA MSHA 1000503

Bibliographic references

  • Deposit

    Kern, Richard, R., 1972, The Geology And Economic Deposits Of Slate Creek Area, Custer County, Idaho: Pocatello, Idaho, Idaho State Univ. Ms, Thesis, P. 57 - 62.

  • Reserve-Resource

    Derkey, Pamela, D., 1978, Hoodoo Mine, Custer County, Idaho, Mas Deposit Summary Report, Page 11.

  • Deposit

    USBM, 1975, Activity Of Idaho Mining Properties, 1974, USBM, Boise, Idaho, 61 P.

  • Reserve-Resource

    Tschantz, Et. Al., 1974, Mineral Resources Of The Eastern Part Of The Sawtooth Nat. Rec. Area, Custer And Blaine Counties, Idaho: USGS Open-File Report, 648 P.

  • Deposit

    Tschanz, C. M., And Others, 1974, Mineral Resources Of The Eastern Part Of The Sawtooth National Recreation Area, Custer And Blaine Counties, Idaho: USGS Open-File Rept., 648 P.

  • Deposit

    Vannoy & Others, 1986, USGS Bulletin1545e, P.259, Pl.3, No.67

  • Deposit

    Kern, 1972, Geology And Economic Deposits Of The Slate Creek Area, Ms Thesis, Idaho State Univ

  • Deposit

    Brown 1975 Annual Report Idaho Dept Of Labor And Industry

  • Deposit

    Lickes (USBM) Et Al 1955 Dmea Report

  • Deposit

    Ross, C. P., 1937, Geology And Ore Deposits Of The Bay Horse Region, Custer County, Idaho: USGS Bull. 877, 161 P

Reporter information

Type Date Name Affiliation Comment
Reporter 1975-03-01 Yett, Jay R.; Miller, Pat U.S. Geological Survey
Reporter 1992-07-01 Gosling U.S. Bureau of Mines