Refs.: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 376, 389.
James, H. L., Pettijohn, F. J., Clark, L. D. (1970) "Geology and Magnetic Data Between Iron River and Crystal Falls, Michigan", Geological Survey Division of the Department of Natural Resources, State of Michigan, Lansing.
Rocks & Minerals: 58: 111.
Rocks & Minerals: 62: 166.
Bernhardt M. (2001) (editor) "Men, Mines, and Memories", Iron County Museum, Caspian, Michigan.
An iron mine operated 1909 - 1922 by Munro Iron Mining Co, working in the Riverton Iron-Formation. 1.2 million tons of ore were shipped. This mine is the type locality for the exceedingly rare manganese mineral Seamanite. The property description is locaterd at NW-NE, S1/2-NE, and NE-SE Sec. 26 T43N-R34W.
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Map Reference: 46°5'54"N , 88°31'53"W
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Mineral list contains entries from the region specified including sub-localitiesMineral List:19 entries listed. 15 valid minerals. 1 type locality (valid mineral).
Localities in this Region:
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!
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