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Hemlock Mine, Amasa, Menominee iron range, Iron Co., Michigan, USA

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Commodities (Major) - Iron
Deposit Type: Banded Iron-Rich Sedimentary Deposits
Development Status: Past Producer
Deposit Model: 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Host Rock Unit: Amasa Iron Formation
Host Rock: Iron Formation

An iron mine operated by Hemlock River Mining Co during 1891 through 1919, shipping 2.1 million tons of ore. Workings reached 500 feet depth. The mine exploited the middle-Precambrian Amasa Iron Formation of the Baraga Group. The property description is W1/2-SW Sec. 4 T44N-R33W, which is 80 acres between N46º13'55", N46º14'21", W88º26'42", and W88º27'1".

Mineral List



4 entries listed. 4 valid minerals.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Bernhardt M. (2001) (editor) "Men, Mines, and Memories", Iron County Museum, Caspian, Michigan.

LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES, 2D ED.: CLEVELAND, OHIO, LAKE SUPERIOR IRON ORE ASSOCIATION, 334 P.

BAYLEY, R.W., AND OTHERS, 1966, GEOLOGY OF THE MENOMINEE IRON-BEARING DISTRICT, MICHIGAN AND WISCONSIN.

LAKE SUPERIOR IRON ORES, MINING DIRECTORY AND STATISTICAL REPORT, PUBLISHED BY THE LAKE SUPERIOR IRON ORE ASSOCIATION, 1952.

Mineral and/or Locality  
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