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Popular Mechanics
popularmechanics.com > science > a66/12/4381 > new-jersey-dinosaur-extinction-layer

A Paleontologist Discovered Clues to the Fifth Mass Extinction–Buried in New Jersey

11+ mon, 3+ week ago   (397+ words) After years of searching worldwide, paleontologist Kenneth Lacovara found the extinction layer—and thousands of fossils—just minutes from home. Kenneth Lacovara, Ph.D., has spent years traveling the world looking for fossils and the extinction layer–a sediment layer…...