Loose diamonds found in Ohio, and thought to have originated from the Canadian Shield, may have ended in eastern United States after a comet impacted Canada during the last ice age. Geologists analyzed the chemical composition of the loose diamonds, and confirmed their Canadian origins. The cause is thought to be the ejection of loose diamonds into the atmosphere as a result of the impact of a comet, which caused widespread destruction of fauna and flora. eventually settling in Ohio. The other theory is that they were transported to their current location by rivers that were created by the immediate melting of glaciers upon the impact of the comet.
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