Nicholas Christie-Blick
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Earth’s “Missing” Billion Years: Study Links the Great Unconformity to Early Tectonics
New findings shed light on a widespread gap in the geologic record, where more than a billion years of Earth’s history appear to have been erased.
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Professor Nicholas Christie-Blick Named 2021 AAAS Fellow
The professor of earth and environmental sciences is one of five Columbia faculty recently recognized by the American Association for the Advancement of Sciences.
You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
