The Village of Oracle is situated atop bedrock outcrops more than a billion years old. At one point in time, an inland sea rose, covering large swaths of equatorial North America, including Oracle and giving rise to marine life. Read this post to learn more!

Tom Buckley, the geologist, engineer, entrepreneur and FOSP member behind the Park’s brand new Geology Trail, shares a history that takes us back 1.7 billion years!