Minnesota Mine

Jefferson County, Montana, United States

Gold Silver Lead Copper Zinc Arsenic

Land & claims · BLM · live

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BLM MLRS ↗Claims at this point ↗Surface mgmt ↗

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

PrimaryGold, Silver, Lead

SecondaryCopper, Zinc

TertiaryArsenic

Commodity typeMetallic

Deposit

Deposit sizeSmall

Materials

Ore mineralsChalcopyrite, Galena, Gold, Sphalerite

GanguePyrite, Quartz, Tourmaline

Geology

Host rockQuartz Monzonite,Andesite

Associated rockQuartz Monzonite,Andesite · Butte Quartz Monzonite;Elkhorn Mountain Volcanics

StructureBoulder Batholith, N-S Fault Cuts Vein Off At Eastern End, Displacement Unknown

AlterationTourmalinization, Pyritization, Partly Oxidized

Economic & production

Development statusPast Producer

Community notes

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References

USGS BULL 527, P. 118.USGS BULL 842, P. 245-46.USGS PP 428, P. 72, PL. 1.MBMG BULL 16, P. 46, 52, 109.MBMG BULL 16, P. 109.

Identification

Deposit ID10015871

MRDS IDDB02142

RegionNA

Data scoreB

Coordinates46.38601, -112.12449