A New Find of Manganese-rich Pumpellyite

The State of Michigan has considerable history when it comes to pumpellyite. In Jun 2013, pumpellyite specimens were collected from a small manganese mine located near Copper Harbor, Keweenaw County, Michigan. Known variably as the "Manganese mine" or "Manganese exploration," the...

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Bibliographic Details
Published inRocks & minerals Vol. 89; p. 548
Main Authors Olds, Travis A, Carlson, Shawn N, Behnke, Dan, Mills, Owen P
Format Journal Article
LanguageEnglish
Published Washington Taylor & Francis Inc 01.11.2014
Subjects
Mineralogy
Minerals
Mines
Keweenaw County Michigan
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Summary:The State of Michigan has considerable history when it comes to pumpellyite. In Jun 2013, pumpellyite specimens were collected from a small manganese mine located near Copper Harbor, Keweenaw County, Michigan. Known variably as the "Manganese mine" or "Manganese exploration," the site was test-mined by the Cambria Iron Company (1881-1883), during which 1,200 tons of manganese ore was removed (Clarke 1974).
ISSN:0035-7529
1940-1191