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Tagged With: geodes

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

So Cool! Geodes in Southeastern Minnesota!

Posted on August 19, 2013 by Beverly

And I thought these were marine coprolite (fossilized fish poop)!   So, I put them on thefossilforum.com ID forum. John K came back and knew what they were immediately! Geodes! Similar to Keokuk Geodes! And he told me to crack them! And I did!   Wow, this picture just does NOT do them justice! They Sparkle!   … Continue reading »

Categories: Misc. | Tags: , , | 2 Comments