How Life Endured in an Ancient, Submerged Alabama

How Life Endured in an Ancient, Submerged Alabama
Ashley Landis/The Dallas Morning News via AP

Alabama’s Harrell Station, roughly 75 kilometers west of Montgomery and 250 kilometers inland from the Gulf of Mexico, seems like the last place someone would go to explore the ocean. But crumbling out of the dusty ground, which has been wrinkled into gullies of white chalk, are the remnants of an ancient sea. During the Late Cretaceous some 82 million years ago, high temperatures melted the polar ice caps submerging the world’s coasts.

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