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Under Michigan: The Story of Michigan's Rocks and Fossils (Great Lakes…
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Amazon.com Product Description (ISBN 0814330886, Hardcover)An exciting trip below the surface of Michigan’s rocks and fossils.
(retrieved from Amazon Mon, 30 Sep 2013 13:25:46 -0400)
Most people recognize Michigan by its mitten-shaped Lower Peninsula and the Great Lakes embracing the state. Underneath the earth's surface, however, is equally distinctive evidence of an exciting history. Michigan rests on sedimentary rocks that reach down into the earth's crust more than 14,000 feet--a depth three-and-a-half times more than the layers of rock in the Grand Canyon. Within these layers of rock rest all sorts of ancient fossils and minerals that date back to the eras when tropical seas spread across Michigan and hot volcanoes flung molten rock into its skies--long before mile-thick glaciers bulldozed over Michigan and plowed through ancient river valleys to form the Great Lakes. Under Michigan is the first book for young readers about the geologic history of the state and the structure scientists call the Michigan Basin. A fun and educational journey, Under Michigan explores Earth's geological past, taking readers far below the familiar sights of Michigan to explain the creation of minerals and fossils and show where they can be found in the varying layers of rock. Readers will learn about the hard rock formations that define Michigan's shape and also discover the tall mountain ridges hidden at the bottom of the Great Lakes. With full-color illustrations by author Charles Ferguson Barker, a glossary of scientific terms, and a page to keep field notes, Under Michigan is a wonderful resource for young explorers to use at home, in school, or on a trip across Michigan.
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