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All News and Pages Related to "ocean"

Delving Deep: Fossils from Iowa’s Ancient Sea

Posted on April 25th, 2017

IGS Researchers Uncover Extraordinary Fossil Deposit near Decorah This year, visitors to the University of Iowa’s Mobile Museum will get a glimpse of Iowa history that might look like something from a horror movie — a six-foot giant sea scorpion that called Iowa home hundreds of millions of years ago. Iowa Geological Survey research specialist […]

Marine Transgressions in northwest Iowa

Posted on February 19th, 2015

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 […]

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 […]