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Contact: Randall Kremer

Volcanic Glass

Caption: Molten magma erupted onto the seafloor freezes to glass that contains clues to its origin in Earth's deep interior and ancient past (field of view ~1 cm). Volcanic glasses like this one may reveal a link between Earth's oxidation state and the deep carbon cycle.

Credit: Glenn Macpherson and Tim Gooding

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Related news release: Scientists uncover relationship between lavas erupting on sea floor and deep-carbon cycle

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