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Deadwood Gulch Prospect

Occurrence in Mineral county in Montana, United States with commodities Lead, Zinc, Copper
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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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10019039
MRDS ID DC08389
Record type Site
Current site name Deadwood Gulch Prospect

Geographic coordinates

Geographic coordinates: -114.94349, 47.30155 (WGS84)
Elevation 1463
Relative position APPROX. 9 MI SW OF PARADISE

Site location context

Political divisions (FIPS codes)

Mineral(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Keystone Peak(quadrangle 1:24,000 scale)

Plains(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle 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 Mineral

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 018N 026W 20 Montana

Comments on the location information

  • NEAR THE HEADWATERS OF SLOWAY GULCH

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Copper Secondary

Materials information

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

Host and associated rocks

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

Nearby scientific data

(1) -114.94349, 47.30155
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Mine Is On The Overturned Northward-Dipping Limb Of The Keystone Syncline.
Type of structure Local
Structure description Small Scale Faulting Which Has Offset The Ore Bearing Vein

Ore body information

  • General form PODS
    Strike N 70 DEG W
    Dip 75 DEG S
    Width 0.25M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • BEDDING PLANES HAVE GENERALLY BEEN COMPLETELY OBLITERATED BY A PRONOUNCED CLEAVAGE THAT GENERALLY STRIKES W AND DIPS FROM VERTICAL TO 70 DEG S.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Keystone District

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 205.74M

Comments on the workings information

  • WORKINGS CONSIST OF A LOWER ADIT, WHICH IS ONLY PARTLY ACCESSIBLE, AN UPPER ADIT 220 FEET ABOVE THE LOWER ONE AND A SHALLOW PROSPECT SHAFT 38 FT ABOVE THE UPPER ADIT.

Reference information

Bibliographic references

  • Deposit

    CAMPBELL, A. B., 1960 , GEOLOGY AND MINERAL DEPOSITS OF THE ST. REGIS-SUPERIOR AREA MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1082-I, PP. 597 - 598 .

  • Deposit

    CONSV. DIV. COMP. DATE, 02-08-1963

General comments

Subject category Comment text
Deposit VEIN OCCURS IN A NARROW ZONE OF SHEARING PARALLEL TO THE FOLIATION OF THE PHYLLITE. QUARTZ IS PREDOMINANT WITH SULFIDES APPEARING LOCALLY. IN PLACES VEIN CONSISTS OF ONLY SMALL DISCONTINUOUS PODS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JUL-1979 Rojstaczer, Stuart A. U.S. Geological Survey

Beyond USGS

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

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