Mine detail: Iron River - Crystal Falls Area

Previously called ''

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Location

Lat / long:

46.08333, -88.65005

Resource(M)

Primary:	Iron
Ore:	Hematite, Limonite, Goethite
Gangue:	Siderite, Chert

Production

Operation type:	Surface-Underground
Deposit type:	See Individual Mines Of This District
Production size:	Unknown
Development status:	Producer

Geology

Host rock:	Riverton Iron-Formation
Host type:	Iron Formation
Structure:	Major troughs ; regional trends: E-W, with local variations., Troughs into which Iron formation has slumped.

References

MRDS	W001400
DEP	10068374
Reference	{Deposit:: JAMES, H. L., 1955, ZONES OF REGIONAL METAMORPHISM IN THE PRECAMBRIAN OF NORTHERN MICHIGAN, G. S. A. BULL., V. 66, P. 1455-1488}{Deposit:: JAMES, H. L., DUTTON, PETTIJOHN, AND WIER, 1968, GEOL. ORE DEP. OF IRON RIVER-CRYSTAL FALLS, MICH.; U. S. G. S. PROF. PAPER 570, P. 134}{Deposit:: DUTTON, C. E. AND P. W. ZIMMER, 1968, IRON ORE DEPOSITS - MENOMINEE DIST., MICH., IN ORE DEP. U. S. 1933-1967, THE GRATON SALES VOL., J. D. RIDGE, ED., V. 1, P. 538-549}{Production:: JAMES, ET. AL., 1968, U. S. G. S. PROF. PAPER 570, P. 88}
Reporter	Cannon, Suzanne S., Sutphin, D.M., Mason Jr., G.T.