About 1 Billion Years Ago, Continents Were Gathering—The Formation of the Supercontinent Rodinia"Map of Time"—From the Universe to Earth, Life, and Us.About 1 billion years ago, on the Earth where ...
About 1.1 billion years ago, the oldest and most tectonically stable part of North America—called Laurentia—was rapidly heading south toward the equator. Laurentia eventually slammed into Earth's ...
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