North America's 'broken heart': The billion-year-old scar from when the continent nearly ripped apart - Live Science

  • Sascha Pare |
  • Technology |
  • Live Science |
  • 05-17-2025 |
  • 30

Name: The Midcontinent Rift Location: U.S. Midwest Why it's incredible: The rift nearly broke North America in half around 1 billion years ago. North America's broken heart is an ancient rift va…

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