Mine detail: Michigamme Mine

Previously called ''

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Location

Lat / long:

46.53917, -88.09865

Resource(M)

Primary:	Iron
Ore:	Hematite
Gangue:	Jasper, Magnetite, Chert, Garnet, Siderite, Hornblende, Actinolite, Mica, Chlorite, Grunerite

Production

Operation type:	Unknown
Deposit type:	Secondary Enrichment
Production size:	Small
Development status:	Past Producer
First production started:	1872
Last production ended:	1905

Geology

Host rock:	Negaunee Iron-Formation
Host type:	Iron Formation
Alteration processes:	Chert to compact or specular hematite and magnetite

References

MRDS	W028540
DEP	10079318
Reference	{Deposit:: KLASNER, J. S., AND CANNON, W. F., 1978 , BEDROCK GEOLOGY MAP OF THE SOUTHERN PART OF THE MICHIGAMME AND THREE LAKES QUADRANGLES, MARQUETTE & BARAGA COUNTIES, MICHIGAN, USGS MAP 1 - 1078 .}{Deposit:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1938 , LAKE SUPERIOR IRON ORES ( 1ST ED. ): CLEVELAND, OHIO, P. 112 .}{Deposit:: HANNA, T. A., 1902 , STATE OF MICHIGAN MINES AND MINERAL STATISTICS MARQUETTE, MICHIGAN, P. 78 .}{Deposit:: SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, CLEVELAND-CLIFFS IRON COMPANY, 1950 , SECTION FILES OF THE GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES.}
Reporter	Yeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T.