Fossils, the sea and the Imperial Valley

A recreation and cross-section of the Coyote Mountains manitee.

What do fossilized oyster beds, the fossilized humerus of a walrus, the jaw of a baleen whale, and the rib of a manatee have in common? They are all found within the Imperial Valley! With temperatures that reach well over 100 degrees Fahrenheit, an average annual rainfall of 2.93 inches and a landscape full of cactus and sand, the Imperial Valley seems an unlikely place to find evidence of marine life. And yet the evidence of this ancient, underwater history is all around us, and continues to shape the Imperial Valley today.

Plate tectonics

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