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Earth sciences

Earth sciences

Weathering and ocean burial of rocks could have triggered Earth’s ice ages

01 Feb 2024 Isabelle Dumé
Black and white image showing the microscopic folds in smectite
MIT geologists have found that tectonic activity gives rise to smectite, a type of clay that can sequester a surprising amount of organic carbon within its microscopic folds (shown here), over millions of years. (Courtesy: Anthony Priestas, Boston University)
Geologists at the Massachusetts Institute of Technology (MIT) in the US have discovered a connection

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