Anaconda, St. Lawerence, Neversweat

Past Producer in Silver Bow county in Montana, United States with commodities Copper, Silver, Gold, Zinc, Arsenic
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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10101895
MRDS ID D011292
Record type Site
Current site name Anaconda, St. Lawerence, Neversweat

Geographic coordinates

Geographic coordinates: -112.5245, 46.01657 (WGS84)
Location accuracy 500(meters)
Relative position ABOUT 1.5 KM SW OF MEADERVILLE

Site location context

Political divisions (FIPS codes)

Silver Bow(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Butte North(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Silver Bow

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003N 007W 18 NW Montana

Comments on the location information

  • NEXT TO OR NOW THE NW PART OF THE BERKELEY PIT.

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary
Zinc Critical Secondary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Enargite Ore
Gold Ore
Sphalerite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result ANACONDA VEIN IN THE ST. LAWRENCE MINE: 2.5% CU, 3.5 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Butte Quartz Monzonite (Boulder Batholith)
    Rock description Butte Quartz Monzonite (Boulder Batholith)
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) Granitic rock

Economic information

Ore body information

  • Strike EAST-WEST
    Dip STEEPLY NORTH
    Width 15.24M
    Depth to top 0M

Comments on the geologic information

  • MOST OF THE VEINS ARE IN THE QUARTZ MONZONITE, BUT IN THE NEVERSWEAT MINE IT IS IN APLITE ON THE 300 FT LEVEL.

Economic information about the deposit and operations

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

Mining district

District name Butte District

Ownership information

  • Type Owner-Operator
    Owner Anaconda Co.
    Home office Hennessy Building, Butte, Mt.

Workings at the site

  • Type of workings Underground
    Overall depth 731.52M

Comments on the workings information

  • 3 MINES

Reference information

Bibliographic references

  • Deposit

    USGS PP 74, P. 81, 114, 115, 119, 138, PL. X.

  • Deposit

    USGS-USBM MINERAL YEARBOOK, 1905, 1910, 1912, 1917, 1924, 1925

  • Deposit

    AIME & PE PART 10, CHAPTER 65, P. 1387-1390.

  • Production

    USGS-USBM MINERAL YEARBOOKS

General comments

Subject category Comment text
Deposit 4 VEINS ARE WORKED, THE ANACONDA IS THE LARGEST, NEXT IS THE MOONLIGHT, PENNSYLVANIA, AND O'NEILL VEINS. THEY ARE CUT BY THE RARUS FAULT. THE VEINS OVERTURN AT DEPTH THAT BELOW THE 2800 LEVEL THE DIP SOUTH.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1984 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.

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.