Mine detail: O Brien Reserve Bu-14

Previously called ''

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Location

Lat / long:

47.38471, -93.13744

Resource(M)

Primary:	Iron
Ore:	Hematite, Magnetite
Gangue:	Chert
Orebody form:	LINEAR

Production

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

Geology

Host rock:	Biwabik Iron Formation
Host type:	Iron Formation

References

MRDS	W018542
DEP	10105879
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.}
Reporter	Sutphin, David M., Mason Jr., G.T.