January Mine

Past Producer in Broadwater county in Montana, United States with commodities Gold, Silver, 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. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10071880
MRDS ID W015576
Record type Site
Current site name January Mine

Geographic coordinates

Geographic coordinates: -111.69698, 46.4149 (WGS84)
Elevation 1817
Relative position APPROXIMATELY 11 MILES NORTHWEST OF TOWNSEND, MONTANA

Site location context

Political divisions (FIPS codes)

Broadwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Winston(quadrangle 1:24,000 scale)

Townsend(quadrangle 1:100,000 scale)

White Sulphur Springs(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 Broadwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 008N 001W 26 Montana

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Zinc Critical Secondary
Copper Secondary

Materials information

Materials Type of material
Galena Ore
Tetrahedrite Ore
Pyrolusite Gangue
Rhodochrosite Gangue

Alteration

  • (Local) Vein Continues Into Altered Andesite

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Rock unit name Andesite;Quartz Monzonite Stock
    Rock description Andesite;Quartz Monzonite Stock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -111.69698, 46.4149

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith, Lombard Overthrust
Type of structure Local
Structure description Vein Is Zone Of Shearing Containing Blocks Of Country Rock Along Fault Fissure

Ore body information

  • General form VEIN FILLING
    Strike N 80 DEG W
    Dip 75 DEG N
    Length 243.84M
    Width 1.52M
    Depth to bottom 121.92M

Controls for ore emplacement

  • Controlled By Fault Fissure (Strike Nw) At Contact Of Andesite And A Small Quartz Monzonite Stock

Comments on the geologic information

  • NO INFORMATION ON TYPE OF ALTERATION IN ANDESITE. THERE ARE ACTUALLY 3 VEINS ASSOCIATED WITH THE JANUARY MINE, THE JANUARY VEIN, THE MONTANA IDAHO VEIN AND ONE UNNAMED VEIN. THE MONTANA-IDAHO VEIN CONTAINS ABUNDANT ARSENOPYRITE AND PYRITE WITH LITTLE GALENA OR SPHALERITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1906

Mining district

District name Winston District

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner January Mining Co.
    Home office Box 877, Helena Mont. 59601

Workings at the site

  • Type of workings Underground
    Length 609.6M
    Overall depth 121.92M

Comments on the workings information

  • LOWER WORKINGS (1 AND 2 LEVEL) INACCESIBLE

Comments on development

  • 1906 WAS THE YEAR OF PRODUCTION AS FIRST RECORDED PRODUCTION FIGURES NOT RECORDED PRIOR TO THAT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE QUOTED DIP IS THAT FOUND ON THE UPPER (6 LEVEL) THE DIP FLATTENS SOMEWHAT ON THE LOWER (3 LEVEL) TO APPROXIMATELY 40 DEGREES NORTH
Deposit THE PRODUCTION FIGURES QUOTED REFLECT THE JANUARY MINE AS THE MAJOR PRODUCER WITH FIGURES FROM AT LEAST 2 OTHER MINES ADDED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1977 Mckenzie, Craig L.; R. B. Berg U.S. Geological Survey

Beyond USGS

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

External references