A respected impact expert said that "it is fairly clear that the Carolina Bays have nothing to do with any kind of impact, no matter which type of projectile." Yet, the wisdom of such a statement is questionable when you look at the multitude of elliptical bays with raised borders, all of which are aligned pointing toward the Great Lakes region.
How could all these elliptical depressions have been formed along the eastern coast of the United States? An explanation that appears to account for all the properties of the Carolina Bays is a hypothesis that they were made by impacts of ice chunks ejected by the impact of a comet or asteroid on the ice sheet that covered North America during an ice age. The evidence for this extraterrestrial impact consists of microscopic hexagonal diamonds which can only be formed at high pressure, but this has not been enough to convince the impact experts. The extinction of the megafauna of North America, like the saber-tooth tiger, the Younger Dryas cooling interval which lasted for one thousand years after the proposed impact, and now the formation of the Carolina Bays from the impacts of the ejected glacier ice provide mounting evidence that there was an extraterrestrial impact on the ice sheet around the Great Lakes region. Proving that the Carolina Bays are indeed impact structures may provide evidence that will firmly establish the occurrence of an extraterrestrial impact.
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