Michigan Rocks!
A Guide to Geologic Sites in the Great Lakes State
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"The people of Michigan can boast many things about their state, including the fact that it is the only state in the nation in the United States to border four of the five Great Lakes-giving it its the nickname, the Great Lakes State-and the only state in the nation comprised of two peninsulas. This abundance of shoreline translates to But Michigan also has a multitude of geologic features that make the state special rock exposed by waves and currents. Nearly the entire history of Earth is on display in Michigan, from 3.6-billion-year-old gneisses to potholes drilled by modern rivers. Michigan...
"The people of Michigan can boast many things about their state, including the fact that it is the only state in the nation in the United States to border four of the five Great Lakes-giving it its the nickname, the Great Lakes State-and the only state in the nation comprised of two peninsulas. This abundance of shoreline translates to But Michigan also has a multitude of geologic features that make the state special rock exposed by waves and currents. Nearly the entire history of Earth is on display in Michigan, from 3.6-billion-year-old gneisses to potholes drilled by modern rivers. Michigan Rocks! guides you to 56 world-class geologic sites scattered from Isle Royale and the Upper Peninsula to Lower Michigan, including Michigan's Thumb, where carvings in sandstone are preserved at Sanilac Petroglyph State Historic Park. Many of the well-chosen sites are two-fers: you get a good look at ancient features in a rock from time immemorial and see the damage wrought on that same rock by recent glacial ice and erosion. The author's explanations of the geologic processes that formed these features at work, along with photographs, illustrations, and informative figures and maps, make this the perfect field guide of Michigan rocks for amateur and expert geologists alike-and everyone in between!"--
![Cover The Geological History of Serpentines Including Studies of Pre-cambrian Rocks [microform]](https://bilder.buecher.de/produkte/65/65605/65605040n.jpg "The Geological History of Serpentines Including Studies of Pre-cambrian Rocks [microform]")
