Mine detail: South Chicago Mine

Previously called ''

<< Back to the map

Location

Lat / long:

46.48389, -89.94371

Resource(M)

Primary:	Iron
Ore:	Hematite
Gangue:	Chert, Pyrite, Martite

Production

Operation type:	Unknown
Deposit type:	Secondary Enrichment
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Ironwood Iron-Formation
Host type:	Iron Formation
Alteration processes:	Chert to hematite in oxidation zones

References

MRDS	W031542
DEP	10080409
Reference	{Deposit:: PRINZ, W.C., HUBBARD, H.A., 1975, PRELIMINARY MAP OF THE WAKEFIELD QUADRANGLE, GOGEBIC COUNTY, MICHIGAN. GEOLOGICAL SURVEY DIVISION OF THE MICHIGAN DEPT. OF NATURAL RESOURCES, LANSING, MICHIGAN.}{Deposit:: REED, R.C., 1975, ONE THOUSAND MILLION TONS, MICHIGAN IRON ORE SHIPMENTS THROUGH 1974, CIRCULAR 12, GEOLOGICAL SURVEY DREED, R.C., 1975, ONE THOUSAND MILLION TONS, MICHIGAN IRON ORE SHIPMENTS THROUGH 1974, CIRCULAR 12, GEOLOGICAL SURVEY DIVISION OF THE MICHIGAN DEPT. OF NATURAL RESOURCES, LANSING, MICHIGAN.}
Reporter	Yeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T.