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All News and Pages Related to "Ice Age"

Fossils in Iowa

Posted on August 12th, 2014

by Jean Cutler Prior Many people have their beginning interest in geology stimulated by finding fossils. Holding the shell of a sea-dwelling organism found in an Iowa rock, far from the nearest ocean, makes us think about the vast changes that have occurred over the Earth’s surface and the great length of geologic time that […]

Hadrosaurs, commonly known as duck-billed dinosaurs, occupied subtropical environments in the coastal lowlands of the central United States during the Cretaceous Period, about 100 million years ago.

Dinosaurs in Iowa

Posted on August 12th, 2014

by Brian J. Witzke Did dinosaurs once live in Iowa? The simple and unqualified answer is “Yes, without a doubt!” But the actual evidence for dinosaurs in Iowa is limited to only a few fossils. Dinosaur fossils have been found in several states adjoining Iowa (Nebraska, Minnesota, Missouri, South Dakota), and wandering dinosaurs would have […]

General Geology

Posted on April 30th, 2014

Mineral, Rock, and Fossil Identification Geologists at the Iowa Geological Survey regularly identify rocks, minerals, and fossils that are brought into our office.  If you are not able to stop by our office, send photos of the specimen via email.  Please make sure that the photos capture all aspects of the specimen, are in focus, […]