Johnny Mack Prospect

Prospect in Kootenai county in Idaho, United States with commodities 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. Land status
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10096441
MRDS ID W019464
MAS/MILS ID 0160550031
Record type Site
Current site name Johnny Mack Prospect

Geographic coordinates

Geographic coordinates: -116.62775, 47.58926 (WGS84)
Relative position 9 MI SE OF COEUR D'ALENE

Site location context

Political divisions (FIPS codes)

Kootenai(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Coeur D'Alene(quadrangle 1:24,000 scale)

Coeur D'Alene(quadrangle 1:100,000 scale)

Spokane(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Coeur d'Alene Lake(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 Kootenai

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 049N 002W 17 W2SW Idaho

Comments on the location information

  • 1.5 Mi Above The Silver Tip

Commodities

Commodity Importance
Lead Primary
Zinc Critical Tertiary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Ankerite Gangue
Biotite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Biotitization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock type qualifier Porphyritic Granite
    Rock description Porphyritic Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Prichard Formation
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Prichard Formation
    Rock description Prichard Form.-Quartzite, Slate
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -116.62775, 47.58926

Economic information

Geologic structures

Type of structure Regional
Structure name Faulted Anticlinal Uplift Of WNW Trend
Structure description Broad Much - Faulted Anticlinal Uplift Of Wnw Trend

Ore body information

  • General form BANDED
    Strike N 5 DEG W
    Dip W
    Length 45.72M
    Width 1.52M

Controls for ore emplacement

  • Fracture

Comments on the geologic information

  • Original alteration entry:
    Local - Biotitization
  • Original ore control entry:
    Fracture

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Beauty Bay District

Land status

Ownership category National Forest
Area name Coeur d'Alene National Forest

Workings at the site

  • Type of workings Surface/Underground
    Length 76.2M

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1940 , Geology And Metalliferous Deposits Of Kootenai County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 53 , 67 P

  • Deposit

    Large, Thomas, 1943, Science, V 98, No 2556, P560-561

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Miller, Pat J. U.S. Geological Survey
Reporter 22-MAY-1986 Kauffman, John D. U.S. Bureau of Mines

Beyond USGS

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