Idaho Muldoon Mine

Past Producer in Blaine county in Idaho, United States with commodities Silver, Lead, Zinc, Copper
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10071898
MRDS ID W015661
Record type Site
Current site name Idaho Muldoon Mine
Related records 10144040

Geographic coordinates

Geographic coordinates: -113.8847, 43.6039 (WGS84)
Elevation 2377
Relative position 25 MI SSW OF MACKAY

Site location context

Political divisions (FIPS codes)

Blaine(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Muldoon(quadrangle 1:24,000 scale)

Arco(quadrangle 1:100,000 scale)

Idaho Falls(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Little Wood(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper 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 Blaine

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 003N 022E 7 Idaho

Comments on the location information

  • E WALL OF THE CANYON OF MULDOON CREEK ACROSS FROM AND ABOUT 1/4 MI ABOVE OLD MULDOON MINE

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Tertiary
Copper Tertiary

Materials information

Materials Type of material
Anglesite Ore
Chalcopyrite Ore
Galena Ore
Malachite Ore
Sphalerite Ore
Calcite Gangue
Pyrite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Cu Basin Formation: Limestone
    Rock description Cu Basin Formation: Lst
    Stratigraphic age (youngest) Early Permian

Nearby scientific data

(1) -113.8847, 43.6039

Economic information

Geologic structures

Type of structure Local
Structure description Minor Faults, Gouge

Ore body information

  • General form IRREGULAR VEINLETS, BUNCHES
    Strike N 20 DEG W
    Dip 35 DEG NE
    Plunge direction NE
    Thickness 0.25M
    Length 30.48M
    Width 0.91M

Controls for ore emplacement

  • Bedding Plane Fault; Strike-Slip Fault

Comments on the geologic information

  • LIMESTONE BEDS STRIKE N 20 DEG W AND DIP 30-35 DEG NE

Economic information about the deposit and operations

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

Mining district

District name Little Wood River District

Land status

Ownership category National Forest
Area name Sawtooth National Forest

Ownership information

  • Type Operator
    Owner T. U. Williams

Reference information

Bibliographic references

  • Deposit

    ANDERSON, A. L., AND WAGNER, W. R., 1946, A GEOLOGICAL RECONNAISSANCE IN THE LITTLE WOOD RIVER (MULDOON) DISTRICT, BLAINE COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY, PAMPHLET 75, 22 P.

  • Deposit

    NELSON, W. H., AND ROSS, C. P., 1968, GEOLOGY OF PART OF THE ALDER CREEK MINING DISTRICT, CUSTER COUNTY, IDAHO: USGS BULL. 1252-A, 30 P.

  • Deposit

    USBM, 1945, 1946, 1947, 1950, GOLD, SILVER, COPPER, LEAD, AND ZINC IN IDAHO: USBM MINERAL YEARBOOKS FOR 1943, 1944, 1945, 1948

  • Deposit

    1946 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 75

  • Deposit

    1968 GEOLMAP NELSON, W. H., AND ROSS, C. P., BULL. 1252-A

  • Production

    USBM, 1945, 1946, 1947, 1950, MINERAL YEARBOOKS FOR 1943, 1944, 1945, 1948

General comments

Subject category Comment text
Deposit 2 TYPES DEPOSITS, 1 IS ALONG STRIKE- SLIP FAULT WHICH TRENDS N 30-70 DEG E, DIPS 70 DEG NW-80 DEG SE, AND IS 40 FT LONG AND 3 FT WIDE; A 2ND LIGHTLY MINERALIZED STRIKE-SLIP FAULT TRENDS N 30-70 DEG E AND DIPS 65-70 DEG NW; THE 2ND TYPE DEPOSIT IS ALONG BEDDING PLANE FAULT AND IS DESCRIBED ABOVE

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-08-01 Everett, Sandra E. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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

External references