Mine detail: Monogahela Mine

Previously called ''

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Location

Lat / long:

46.0825, -88.3681

Resource(M)

Primary:	Iron
Ore:	Hematite, Goethite
Gangue:	Chert, Pyrite, Siderite, Stilpnomelane, Chlorite, Mica

Production

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

Geology

Host type:	Iron Formation
Alteration processes:	Chert and siderite to hematite and goethite in oxidation zones.

References

MRDS	W028622
DEP	10079367
Reference	{Deposit:: JAMES, H. L., DUTTON, C. E., PETTIJOHN, F. J., WIER, K. L., 1968, GEOLOGY AND ORE DEPOSITS OF THE IRON RIVER, CRYSTAL FALLS DISTRICT, IRON COUNTY, MICHIGAN. WASHINGTON, U.S. GOVT. PRINTING OFFICE, 1968, PP. 45-56, 88-110.}{Deposit:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1938, 1952, LAKE SUPERIOR IRON ORES (1ST, 2ND EDS.): CLEVELAND, OHIO. PP. 159, 119 RESPECTIVELY.}{Deposit:: CROWELL, BENEDICT, AND MURRAY, C.B., INC., 1920, 1923, 1927, THE IRON ORES OF LAKE SUPERIOR (4TH, 5TH, 6TH EDS.): CLEVELAND, OHIO. PP. 237, 287, 309 RESPECTIVELY.}{Deposit:: HANNA, T.A., 1902, STATE OF MICHIGAN MINES AND MINERAL STATISTICS, MARQUETTE, MICHIGAN. P. 81.}
Reporter	Yeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T.