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Tagged With: Geodized Cephalopods

Geodized Cephalopods

Posted on March 26, 2014 by Beverly

I’ve had some queries on geodes in southeastern Minnesota – YES! The Mississippi River valley is noted for its limestone formations which are the place to hunt geodes in southern Minnesota. These will be sedimentary geodes usually containing calcite or quartz. Up in northeastern Minnesota (The shore of Lake Superior and the quarries thereabout.)you will … Continue reading »

Categories: Cephalopods, Whats This?! | Tags: , , , | 1 Comment