Mine detail: National Steel Pellet Plant Mine

Previously called ''

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Location

Lat / long:

47.42332, -93.06911

Resource(M)

Primary:	Iron
Ore:	Ankerite, Magnetite, Minnesotaite, Siderite
Gangue:	Calcite, Chert
Orebody form:	LINEAR

Production

Operation type:	Unknown
Production size:	Large
Development status:	Past Producer

Geology

Host rock:	Biwabik Iron Formation
Host type:	Iron Formation
Alteration processes:	Metamorphism In East Mesabi Range. French (1973) Identified Three Distinct Mineral Assembleges Related To Temperature And Pressure Conditions.

References

MRDS	W018523
DEP	10072837
Reference	{Deposit:: MOREY, G.B.,1972. MESABI RANGE; IN; SIMS,P.K. AND MOREY, G.B.,EDS., GEOLOGY OF MINNESOTA; A CENTENNIAL VOLUME,MINN.GEOL.SURV.,P.204-217.}{Deposit:: WHITE, D.A.,1954. STRATIGRAPHY AND STRUCTURE OF THE MESABI RANGE, MINNESOTA, MINN.GEOL.SURV.BULL.38, 92P.}{Deposit:: BAYLEY, R.W. AND JAMES, H.L., 1973, ECON. GEOL. V. 68, N. 7, PP. 934-1004.}{Deposit:: FRENCH, B.V., 1973, ECON. GEOL. V.68, N. 7, PP. 1063-1074.}{Deposit:: LA BERGE, G.L., 1973, ECON. GEOL., V. 68, N. 7, PP. 1098-1109.}{Deposit:: GARRELS, R.M., PERRY, E.A., AND MACKENZIE, F.J., 1973, ECON. GEOL., VOL. 68, N. 7, PP. 1173-1179.}{Production:: W. D. TRETHEWEY, MINN. MINING DIR. 1974, 1978, 1980}
Reporter	Schneider, Norma J., Schneider, Norma J. (Orris, Greta J.), Mason Jr., G.T.