Latest / PlanetGeo: The Geology Podcast
The Anatomy of Mountain Ranges
Chris is back!!
Today we answer the simple question - Why do we see a predictable geologic and topographic progression as we drive from flat plains into mountains?
We use examples from Michigan to Tennessee, the Canadian Rockies, Glacier, the Bighorns, Colorado, and the Appalachians to walk through a common sequence: we start on broad areas of mostly flat-lying sedimentary rocks (sandstones, shales, limestones) deposited in shallow seas, rivers, intertidal settings, and deserts; as we approach the range, we cross subtle, long-wavelength, low-amplitude folds that are often hard to notice…
The skinny
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