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Hanover Mine

Past Producer in Fergus county in Montana, United States with commodity Gypsum-Anhydrite
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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 10071385
MRDS ID W014731
Record type Site
Current site name Hanover Mine
Related records 10172954

Geographic coordinates

Geographic coordinates: -109.55163, 47.12464 (WGS84)
Elevation 1134

Site location context

Political divisions (FIPS codes)

Fergus(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Glengarry(quadrangle 1:24,000 scale)

Lewistown(quadrangle 1:100,000 scale)

Lewistown(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Judith(hydrologic unit)

Fort Peck Lake(hydrologic accounting unit)

Missouri-Musselshell(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Fergus

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 016N 017E 22,27,26 Montana

Commodities

Commodity Importance
Gypsum-Anhydrite Primary

Materials information

Materials Type of material
Anhydrite Ore
Gypsum Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Ellis Group, Piper Formation, Gypsum-Bearing;Ellis Group, Otter Formation, Limestones & Shales;Big Snowy Group, Otter Formation, Limestones & Shales
    Rock description Ellis Group, Piper Formation, Gypsum-Bearing;Ellis Group, Otter Formation, Limestones & Shales;Big Snowy Group, Otter Formation, Limestones & Shales
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -109.55163, 47.12464
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Hanover Laccolithic Domal Structure - All Beds Dip Away From Central Portion Of Uplift

Ore body information

  • General form BEDDED
    Thickness 3.05M

Controls for ore emplacement

  • Gypsum-Bearing Zone Confined To Piper Fm, Which Circles The Dome, Zone Displaced In Eastermost Workings By Large Fault.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Year of first production 1916

Mining district

District name (Unorganized District)

Ownership information

  • Type Owner-Operator
    Owner Ideal Cement Co.
    Home office 601 Denver National Bldg., Denver, Co

Comments on the production information

  • MINE PRODUCTION AVERAGED 18,000 ST PER YEAR PRIOR TO 1954. YEARLY FIGURES SINCE THEN UNAVAILABLE; MINE HAS PRODUCTION CAPACITY OF 100 ST PER DAY.

Workings at the site

  • Type of workings Underground
    Length 1828.8M
    Overall depth 30.48M

Comments on the workings information

  • ROOM AND PILLAR MINING METHOD USED OFF OF 80 FT. SHAFT, DRIVEN IN 1920. THE TWO MINABLE SEAMS SEPARATED BY 30 - 60 FT. OF LIMESTONE. DEVELOPMENT MAINLY ON S - SW HALF OF DOME ABOVE THE 80 FT. LEVEL

Comments on development

  • THE IDEAL CEMENT CO. OWNS OVER 1700 ACRES IN THE HANOVER DOMAL UPLIFT AREA. THIS ENCOMPASSES THE EXPOSED LIMITS OF THE GYPSUM BEARING ZONE.

Reference information

Bibliographic references

  • Deposit

    MILLER, R. N., 1959, GEOLOGY - SOUTH MOCCASIN MTS., FERGUS COUNTY, MONTANA, MT. BUREAU MINES & GEOLOGY MEMOIR 37.

  • Deposit

    PERRY, E. S., 1949 , GYPSUM, LIME & LIMESTONE IN MONTANA, MT. BUREAU MINES & GEOLOGY MEMOIR 29 .

  • Deposit

    ROBERTSON, A. F., 1950, MINES & MINERAL DEPOSITS - FERGUS COUNTY, U. S. BUREAU MINES INF. CIRC. 7544.

  • Production

    MILLER, 1959, M.B.M.G. MEMOIR 37.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Mlynarczyk, Meg S. U.S. Geological Survey

Beyond USGS

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

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