Johnny Miller Prospect

Occurrence in Sanders county in Montana, United States with commodities Arsenic, Lead, Gold, Silver, Zinc
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. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10010256
MRDS ID D003845
Record type Site
Current site name Johnny Miller Prospect
Alternate or previous names Miller Property

Geographic coordinates

Geographic coordinates: -115.08739, 47.44182 (WGS84)
Elevation 1646
Relative position 2.5 MI E OF PENROSE PK.

Site location context

Political divisions (FIPS codes)

Sanders(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sunset Peak(quadrangle 1:24,000 scale)

Wallace(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Lolo 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 Montana Sanders

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 020N 027W 31 SW OF SE Montana

Comments on the location information

  • ALONG BANK OF WEST FORK OF SWAMP CREEK

Commodities

Commodity Importance
Arsenic Critical Primary
Lead Primary
Gold Primary
Silver Primary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Silver Ore
Sphalerite Ore
Chalcopyrite Gangue
Hematite Gangue
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Analytical data

Result DUMP SAMPLE ASSAYED 0.001 OZ/TON AU, 0.07 OZ/TON AG, 1.10 % PB & 0.825 % AS

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Rock unit name Belt Series Intrusives
    Rock description Belt Series Intrusives
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Prichard Formation
    Rock description Prichard Formation

Nearby scientific data

(1) -115.08739, 47.44182

Economic information

Geologic structures

Type of structure Regional
Structure description Nw Plunging Anticline (Swamp Creek) With Steep Overturned Beds.
Type of structure Local
Structure description Diabase Dike

Ore body information

  • General form PODS, BLEBS
    Strike N 35 DEG W
    Dip 70 DEG SW
    Length 0.3M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1905

Mining district

District name Swamp Creek District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Montana Coeur D'Alene Co.

Workings at the site

  • Type of workings Underground
    Length 304.8M

Comments on the workings information

  • DEVELOPMENT CONSISTS OF SEVERAL CAVED ADITS AND A FEW SHALLOW SHAFTS, ALL OF WHICH WERE INACCESSIBLE AS OF 1961 . SIZE OF DUMP INDICATES THERE WERE 800 - 1000 FT OF WORKINGS.

Comments on development

  • DEVELOPMENT WAS RENEWED IN 1961 , BUT MINE IS CURRENTLY INACTIVE.

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: CROWLEY, F. A., 1963: MONTANA BUREAU OF MINES AND GEOLOGY, BULL. 34

  • Deposit

    CROWLEY, F. A., 1963 , MINES AND MINERAL DEPOSITS (EXCEPT FUELS) SANDERS COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 34 , PP. 18 - 19 .

  • Deposit

    WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISANCE GEOLOGY OF WESTERN MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 608 .

General comments

Subject category Comment text
Deposit TWO NARROW QUARTZ VEINS ARE EXPOSED AT SURFACE AND CONTAIN ONLY A FEW SCATTERED GRAINS OF GALENA. SPECIMENS ON THE DUMP CONTAIN IRREGULAR BLEBS OF SIDERITE, PYRITE, ARSENOPYRITE, GALENA AND HEMATITE. IN GENERAL, PODS OF ORE ARE RARE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1979 Rojstaczer, Stuart A. U.S. Geological Survey

Beyond USGS

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