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Contact: Kim Martineau
kmartine@ldeo.columbia.edu
646-717-0134
The Earth Institute at Columbia University

H. balthica Fossils

Caption: H. balthica fossils are painstakingly separated from grains of sand and then analyzed by mass spectrometers.

Credit: (Rudy Diaz, Columbia University)

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Related news release: Is global heating hiding out in the oceans?


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