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All News and Pages Related to "geodes"

Geodes

Posted on August 13th, 2014

by Brian J. Witzke Iowa geodes have long been objects of curiosity, their sparkling interiors containing some of the most beautiful crystals to be found anywhere in the Midwest. Although geodes are known from many localities around the world, one of the most productive and famous collecting regions is encompassed within a 35-mile radius of […]

FAQs

Posted on April 30th, 2014

Have a question about Iowa geology? Here are some answers to frequently asked questions.  Are there dinosaur fossils in Iowa? What are the fossils of Iowa? Are there any meteorites in Iowa? What are geodes and how do they form? What are those strange boulders in fields? What is the midcontinental rift? When did oceans […]