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Montana City Quarry

Producer in Jefferson county in Montana, United States with commodity Limestone, General
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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. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10071320
MRDS ID W014650
Record type Site
Current site name Montana City Quarry
Related records 10245430

Geographic coordinates

Geographic coordinates: -111.92032, 46.54407 (WGS84)
Elevation 1250
Relative position 5 KM SOUTH OF EAST HELENA

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

East Helena(quadrangle 1:24,000 scale)

Canyon Ferry Dam(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)

Geographic areas

Country State County
United States Montana Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 009N 002W 12,13 Montana

Commodities

Commodity Importance
Limestone, General Primary

Materials information

Materials Type of material
Limestone Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Madison Group
    Rock description Madison Group
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) -111.92032, 46.54407
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Near Probable Southern Continuation Of The Disturbed Belt
Type of structure Local
Structure description Area Of Folded And Faulted Paleozoic Rocks Adjacent To The Boulder Batholith

Ore body information

  • General form BLANKET

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Large
Significant No

Mining district

District name Montana City

Ownership information

  • Type Operator
    Owner Kaiser Cement
  • Type Owner
    Owner Kaiser Cement And Gypsum Corp.

Reference information

Bibliographic references

  • Deposit

    CHELINI, J. M., 1965, LIMESTONE, DOLOMITE, AND TRAVERTINE IN MONTANA: MONT. BUR. MINES AND GEOLOGY, BULL. 44, P. 49

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Berg, Richard B. (Krohn, D. H.) U.S. Geological Survey

Beyond USGS

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

Current status (per MSHA)

StatusActive since 01/15/1979
MSHA mine ID2400015
Mine name (MSHA)MONTANA CITY PLANT
Current operatorAsh Grove Cement Company
Current controller (parent)CRH PLC
Mine typeFacility (Metal / non-metal)

Inferred by coordinate + name similarity (737 m, 0.80 match). Confirm against MSHA if precision matters — non-USGS-curated cross-references may occasionally point at a neighbouring mine.

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