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Contact: Maria-Jose Vinas-Garcia
NASA/Goddard Space Flight Center

Piece of the GISP2 Ice Core

Caption: This is a piece of the GISP2 ice core that the researchers analyzed for the isotope beryllium-10, showing silt and sand embedded in ice. Soon after this picture was taken, the ice was crushed in the University of Vermont clean lab and the sediment was isolated for analysis.

Credit: Paul Bierman, University of Vermont

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