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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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Photo of Unaweep Canyon in the Rockies , the site of a deep gorge. Inset shows a dropstone.

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

Download the high-resolution JPG version of the image. (292 KB)

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