Montana · Jefferson County
Producer
Montana City Quarry
Jefferson County, Montana, United States
Limestone General
Land & claims · BLM · live
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Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.
Commodities
PrimaryLimestone, General
Commodity typeNonmetallic
Deposit
Deposit sizeY
Orebody formBLANKET
Materials
Ore mineralsLimestone
Geology
Host rockLimestone · Madison Group
StructureNear Probable Southern Continuation Of The Disturbed Belt, Area Of Folded And Faulted Paleozoic Rocks Adjacent To The Boulder Batholith
Tectonic settingAdjacent To North Edge Of The Boulder Bath.
Economic & production
Development statusProducer
Community notes
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References
CHELINI, J. M., 1965, LIMESTONE, DOLOMITE, AND TRAVERTINE IN MONTANA: MONT. BUR. MINES AND GEOLOGY, BULL. 44, P. 49
Identification
Deposit ID10071320
MRDS IDW014650
RegionNA
Data scoreC
Coordinates46.54407, -111.92032
Base: USGS MRDS (public domain, frozen 2011). Community notes © their authors, CC-BY. Land data live from BLM.