Mastodon Mine

Occurrence in Shoshone county in Idaho, United States with commodities Lead, Zinc, Silver, Gold
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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10096468
MRDS ID W026602
Record type Site
Current site name Mastodon Mine
Alternate or previous names Rochester Group
Related records 10281568

Geographic coordinates

Geographic coordinates: -115.97042, 47.34237 (WGS84)
Elevation 1334
Relative position 9 MI WSW OF WALLACE

Site location context

Political divisions (FIPS codes)

Shoshone(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mastodon Mountain(quadrangle 1:24,000 scale)

Wallace(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Joe(hydrologic unit)

Spokane(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Idaho Panhandle National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Shoshone

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 046N 004E 08 Idaho

Comments on the location information

  • HEAD OF WEST FORK SLATE CREEK

Commodities

Commodity Importance
Lead Tertiary
Zinc Critical Tertiary
Silver Tertiary
Gold Tertiary

Materials information

Materials Type of material
Galena Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result AVERAGED 0.3 OZ AG/1 % PB

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Wallace Formation
    Rock description Wallace Formation
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) Lower Missoula Group.

Economic information

Geologic structures

Type of structure Local
Structure description Complex Folding And Faulting (Nw - Se)

Ore body information

  • General form IRREGULAR BUNCHES
    Width 1.22M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Avery District

Land status

Ownership category National Forest
Area name St. Joe National Forest

Workings at the site

  • Type of workings Underground
    Length 152.4M

Reference information

Bibliographic references

  • Deposit

    WAGNER, W. R., 1949 , THE GEOLOGY OF PART OF THE SOUTH SLOPE OF THE ST. JOE MTNS.: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 82 , 48 P.

  • Deposit

    COLLIER, A. J., 1906 , ORE DEPOSITS OF THE ST. JOE RIVER BASIN, IDAHO: USGS BULL. 285 , P. 129 - 139

  • Deposit

    PARDEE, J. T., 1911 , GEOLOGY AND MINERALIZATION OF THE UPPER ST. JOE RIVER BASIN, IDAHO: USGS BULL. 470 , P. 39 - 61

  • Deposit

    1906 OTHER A. J. COLLIER, BULL. 285

  • Deposit

    1911 GEOLMAP J. T. PARDEE, BULL. 470

  • Deposit

    1949 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 82

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1974 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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

External references