Radio Carbon Dating
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Suigestu sediments in natural light. (Credit: Gordon Schlolaut)
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Suigestu sediments in polarized light. (Credit: Gordon Schlolaut)
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Varved or layers of sediments from Lake Suigetsu cores. (Credit: Gordon Schlolaut)
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Cores are temporarily stored in the cold room of the local fishermen's union near Lake Suigetsu. (Credit: Takeshi Nakagawa)