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  "path": "/great-unconformity-gap-geological-record-study-columbia/",
  "publishedAt": "2026-02-23T20:00:48.000Z",
  "site": "https://www.404media.co",
  "tags": [
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  "textContent": "The Great Unconformity — a gap in Earth’s geological record — has puzzled scientists for 150 years. New research suggests it was created by shifting continents, rather than “snowball Earths” or Cambrian life.",
  "title": "A Billion Years Are Mysteriously Missing From Earth’s History. Now, We Know Why."
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