The Oldest Rock on Earth When geologist Hanika Rizo goes into the field she spends most of her time looking at her feet. Simply by trekking across the stark Arctic landscape in Northern Quebec, and paying close attention to the...

The Oldest Rock on Earth #Science #EarthSciences #Geology #OldestRock #GeologicalHistory

The United States’ oldest known rock has existed for at least 3.6 billion years More than just a cool bit of trivia, the finding raises questions about our understanding of Earth’s history.

The United States’ oldest known rock has existed for at least 3.6 billion years #Science #EarthSciences #Geology #OldestRock #EarthHistory #GeologyFacts