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What can minerals tell us about Earth’s past? This geologist is finding out
Confidence88·multiple reportsImportance90NP-EVT-20261021-D1ADDAB
Smithsonian geologist Gabriela Farfan studies corals, gemstones and other minerals for clues to changing oceans and environments.
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What can minerals tell us about Earth’s past? This geologist is finding out
Anna Mattson · 10/21/2026, 11:00:00 AM
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