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  3. Mineral Resource Data System (MRDS)

Nakoma Mine

Past Producer in Lewis and Clark county in Montana, United States with commodity Gold
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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 10015907
MRDS ID DB02193
Record type Site
Current site name Nakoma Mine
Alternate or previous names Golconda Mine

Geographic coordinates

Geographic coordinates: -112.46868, 46.87823 (WGS84)
Elevation 2012
Location accuracy 500(meters)
Relative position .5 MI. W. OF THE JAY GOULD MINE, 0.5 Km Raduis

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stemple Pass(quadrangle 1:24,000 scale)

Elliston(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Helena-Lewis and Clark 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 Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 013N 007W 15 SW OF SE Montana

Comments on the location information

  • ABOUT 7.0 KM SE OF STEMPLE PASS. ; INFO FROM LAND.ST :(1968)

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Pyrite Gangue
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 Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Belt Series
    Rock description Belt Series

Nearby scientific data

(1) -112.46868, 46.87823
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description 40 Ft. Wide Shear Zonegranite Peak Stock

Ore body information

  • Width 1.22M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Gould-Stemple District

Land status

Ownership category National Forest

Comments on the production information

  • "CONSIDERABLE" PRODUCTION

Workings at the site

  • Type of workings Underground
    Length 960.12M

Comments on the workings information

  • A NORTH DRIVEN ADIT IS GT 2000 FT LONG. AT 1750 FT A DRIFT RUNS W FOR GT 1000 FT. ANOTHER DRIFT RUNS E FOR 150 FT.

Comments on development

  • ECON.COM: MILL NEAR EAST PORTAL (1926)

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit IN THE FIRST FEW HUNDRED FT, THE ADITS CUT SEVERAL SMALL VEINS. AT 850 FT IT CUTS A 4 FT VEIN. AT 1750 FT IT CUTS A ZONE OF CRUSHED ROCK AND QUARTZ VEIN 40 FT WIDE. THIS ZONE IS DEVELOPED BY DRIFTS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-80 Elliott, James E. U.S. Geological Survey
Updater 01-DEC-81 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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

Maps centered on this site