Wyoming rock hounds go crazy over a unique 2.5 billion year old boulder
A father-daughter duo from the Cowboy State didn’t know it at the time, but the large rock they found is a massive discovery that’s 2.5 billion years old and a unique find for Wyoming rock hounds. The large rock found by Laramie resident Patrick Corcoran and his daughter Cora is called a banded iron formation. … Read more