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.

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