Why some mountain peaks host ancient sea shell fossils
Marine fossils found atop the world’s highest peaks, including Mount Everest, provide tangible evidence that the jagged summits we see today once rested at the bottom of prehistoric oceans.
Plate tectonics explain why marine limestone sits thousands of feet above sea level. Over millions of years, the slow collision of continental plates forced ancient seafloors upward, folding the earth’s crust into massive mountain ranges.
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