Mine detail: Tracy Mine

Previously called ''

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Location

Lat / long:

46.49028, -87.59252

Resource(M)

Primary:	Iron
Ore:	Hematite, Goethite

Production

Operation type:	Underground
Production size:	Unknown
Development status:	Past Producer
Production years:	MINE PRODUCTION CEASED IN JAN 1971, SHIPMENTS FROM STOCKPILES CONTINUED TO JUL 1971.
First production started:	1870
Last production ended:	1971

Geology

Host rock:	Negaunee Iron-Formation
Host type:	Iron Formation
Structure:	Marquette syncline; regional trends: E-W.

References

MRDS	W001393
DEP	10068368
Reference	{Deposit:: VAN HISE AND BAYLEY, 1897, U. S. G. S. MONOGRAPH 28.}{Deposit:: LAKE SUPERIOR IRON ORE ASSOC., 1952, LAKE SUPERIOR IRON ORES.}{Deposit:: JAMES, H. L., 1955, ZONES OF REGIONAL METAMORPHISM. IN PRECAMBRIAN OF NORTHERN MICH., G. S. A. BULL., VOL. 66, P. 1455 - 1488.}{Deposit:: U.S. BUREAU OF MINES, 1972, MINERALS YEARBOOK 1971: WASHINGTON, D.C., U. S. GOVERNMENT PRINTING OFFICE, V.II.}
Reporter	Cannon, Suzanne S., Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T.