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Lotta Tunnel

Past Producer in Jefferson county in Montana, United States with commodities Gold, Silver, Zinc
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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. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10101930
MRDS ID DB02129
Record type Site
Current site name Lotta Tunnel

Geographic coordinates

Geographic coordinates: -112.28366, 45.99991 (WGS84)
Relative position 1 MILE WEST OF BASIN ON THE NORTH SIDE OF U.S. HIGHWAY 91.

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Delmoe Lake(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006N 005W 18 NE Montana

Comments on the location information

  • PREVIOUS QUAD DESIGNATION = DILLON 1:250000

Commodities

Commodity Importance
Gold Primary
Silver Primary
Zinc Critical Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result GOLD ORE ASSAYED AS HIGH AS 17 OZ/TON

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) Granitic rock
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault N 45 E, Dip 35-45 N

Ore body information

  • General form IRREGULAR VEINS AND PODS
    Width 1.83M

Controls for ore emplacement

  • Shear Zone In Quartz Monzonite

Economic information about the deposit and operations

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

Mining district

District name Basin District

Ownership information

  • Type Owner
    Owner Jefferson Developement Co.
    Home office C/O A.B., Moody, Everett, Wash.

Comments on the production information

  • $75,000 FREE MILLING GOLD ORE 1890-1911. 1,000 TONS OF ORE WITH LESS THAN .5 OZ/TON AU IN 1953-1954.

Workings at the site

  • Type of workings Underground
    Length 292.61M

Reference information

Bibliographic references

  • Deposit

    RUPPEL EDWARD T., 1963, GEOLOGY OF THE BASIN QUADRANGLE, JEFFERSON, LEWIS AND CLARK, AND POWELL COUNTIES, MONTANA, U.S. GEOLOGICAL SURVEY BULLETIN NO. 1151, 121 P.

  • Deposit

    STOUT, 1959, MONT. BM & GEOL., BULL. 10, P 28.

  • Deposit

    ROBY, R. N., ACKERMAN, W. C., FULKERSON, F. B., AND CROWLEY, F.A., 1960, MINES AND MINERAL DEPOSITS, JEFFERSON COUNTY, MONT.: MONT. BUREAU OF MINES AND GEOLOGY BULL. 16, 122 P.

  • Production

    RUPPEL EDWARD T., 1963, U.S.G.S. BULL. NO. 1151, P. 112.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 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