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2011 Gold Ink Silver Award Winner

March/April 2012: In This Issue

An Arizona Clam Dig, Carnelian-Replaced Clams From the Petrified Forest Area, Apache County, Arizona

A new and unique find of carnelian-replaced freshwater clams was recently made east of the Petrified Forest National Park in Arizona.

Full Text Article Abstract

The Conco Mine, North Aurora, Kane County, Illinois

A discovery of exceptional calcite crystals, concentrically zoned with marcasite and pyrite inclusions, was recently made in the Chicago metropolitan area at the Conco mine, North Aurora.

Full Text Article Abstract

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