Virginia Extension Mine

Crow Wing County, Minnesota, United States

Iron

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

PrimaryIron

Commodity typeMetallic

Deposit

Model241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

Deposit sizeSmall

Orebody formLINEAR TO IRREGULAR

Materials

Ore mineralsHematite, Magnetite

GangueChert

Geology

Host rockIron Formation · Trommald Formation

Economic & production

Development statusPast Producer

First production1966

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References

SCHMIDT, R.G.,1963. GEOLOGY AND ORE DEPOSITS OF THE CUYUNA NORTH RANGE, MINNESOTA, U.S.GEOL.SURV.,PROF.PAPER 407, 96P.GROUT, F.F. AND WOLFF, J.F.,SR.,1955. THE GEOLOGY OF THE CUYUNA DISTRICT, MINNESOTA, MINN.GEOL.SURV.BULL. 36, 144P.GROSS, G.A., 1984, ENRICHED IRON FORMATION, IN ECKSTRAND, O.R., ED., CANADIAN MINERAL DEPOSIT TYPES--A GEOLOGICAL SYNOPSIS: GEOLOGICAL SURVEY OF CANADA ECONOMIC GEOLOGY REPORT 36 , P. 20.TRETHEWEY, W.D., 1974, UNIV. MINN. BULL., MINING DIRECTORY ISSUE

Identification

Deposit ID10072648

MRDS IDW018286

RegionNA

Data scoreC

Coordinates46.49443, -94.01275