News Release 08-131
Cold and Ice, and Heat, Episodically Gripped Tropical Regions 300 Million Years Ago
Look into "deep time" sheds light on period considered analogous to today's climate
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Unaweep Canyon in the Rocky Mountains is the site of a deep gorge that reveals ancient landscapes and sediments. The inset image is of a "dropstone" from an eons-old glacier.
Credit: Gerilyn Soreghan
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