Mammoth Deposit

Prospect in Idaho county in Idaho, United States with commodities Gold, 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. 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. Mineral rights holdings
  17. Land status
  18. Ownership information
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. Reporter information

Geologic information

Identification information

Deposit ID 10071514
MRDS ID W014949
MAS/MILS ID 0160490176
Record type Site
Current site name Mammoth Deposit
Alternate or previous names Mammouth, Black Tail

Geographic coordinates

Point of reference Geographic coordinates: Elevation UTM Precision Relative position Point location
-115.48958, 45.46293 (WGS84) 1981 6.25 MI SSW OF DIXIE
(click for info)
-115.49127, 45.45957 (WGS84)

Site location context

Political divisions (FIPS codes)

Idaho(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fivemile Bar(quadrangle 1:24,000 scale)

Warren(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Chamberlain(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Nez Perce-Clearwater 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 Idaho

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 025N 008E 32 SE Idaho

Comments on the location information

  • 7 Miles Se Of Dixie Ranger Station, Near Dixie

Commodities

Commodity Importance
Gold Primary
Lead Tertiary
Zinc Critical Tertiary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation, Sericitization, Chlorite

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) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Gneiss, Quartzite

Nearby scientific data

(1) -115.48958, 45.46293
(2) -115.49127, 45.45957

Economic information

Geologic structures

Type of structure Local
Structure description Brecciation

Ore body information

  • General form LENTICULAR, PINCH AND SWELL
    Strike N 80 DEG W
    Dip 66 DEG SW
    Length 60.96M
    Width 1.22M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1925
Discoverer A. C. Carpenter And J. L. Q. Mc Knight (1925)

Mining district

District name Dixie District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Nez Perce National Forest

Ownership information

  • Type Owner
    Owner Golden Eagle Mining Co.

Workings at the site

  • Type of workings Surface/Underground
    Length 762M

Comments on development

  • 14 Claims; 25 - Ton Flotation Mill

Reference information

Bibliographic references

  • Deposit

    Western Mining News, 1974-75 Directory Of Mines In Idaho (Coeur D'Alenes) And Washington, P. 54

  • Deposit

    Capps, S. R., And Roberts, R. J., 1939, The Dixie Placer District, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 48, 35 P.

  • Deposit

    Lorain, S. H., 1938, Gold Mining And Milling In Idaho County: USBM Inf. Circ. 7039, 90 P.

  • Deposit

    Roberts, R. J., 1938, The Petrography And Ore Deposits Of The Dixie District, Idaho: Seattle, Washington, Univ. Of Washington, M.S. Thesis, 61 P.

  • Deposit

    U.S. Bureau Of Mines Open-File Report MLA 8-91, 1991, P. 39-41.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-76 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 04-OCT-91 Neumann, Terry R. U.S. Bureau of Mines

Beyond USGS

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

External references