Serpent Mound - Cryptoexplosion Structure

Cryptoexplosion Structure

The mound is located on a plateau with a unique cryptoexplosion structure that contains faulted and folded bedrock, usually produced either by a meteorite or a volcanic explosion.

"Determining exactly what formed the Serpent Mound Cryptoexplosion Structure is a problem that geologists continue to debate. Two main solutions have been offered. Some geologists think the structure is a meteorite or asteroid crater. Others suggest that the structure was caused by forces from inside the earth, probably an explosive eruption of gases derived from a deep magma source in the basement rocks."

This is one of the few places in North America where such an occurrence is seen. While some scholars speculate that prehistoric Native Americans may have placed the mound in relation to this geological anomaly, others think there was nothing visible at ground level that would have captured their attention.

In 2003 geologists from Ohio State government and the University of Glasgow (Scotland) concluded that a meteorite strike was responsible for the formation. They had studied core samples collected at the site in the 1970s. Further analyses of the rock core samples indicated the meteorite impact occurred during the Permian Period, about 248 to 286 million years ago.

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