May/June 2011: In This Issue

News from the Keweenaw: Part 4—Recent Mineral Finds in Michigan's Copper Country (Seventeenth in a series of articles on the mines and minerals of Michigan's Copper Country)

by Tom Rosemeyer

The Michigan Copper Country is located on the isolated, rugged, and scenic Keweenaw Peninsula, which juts out into Lake Superior at the western end of Upper Michigan.

Full Text Article Abstract

A Gem Diaspore Occurrence near Pinarcik, Mugla, Turkey

by Murat Hatipoglu and Steven C. Chamberlain

Hydrothermally mineralized fracture zones cutting a metabauxite deposit in a marble bed of the Menderes Massif in southwestern Turkey have been yielding unprecedented single crystals.

Full Text Article Abstract


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