International Ocean Discovery Program
JOIDES Resolution Science Operator

Expedition 353 Photo Gallery · Week 2

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The “big black ash layer” is what the scientists call this distinct boundary. This evidence of volcanic eruptions was found in the Pleistocene, which is a period of time from 11,700 to 2.8 million years ago. (Credit: Kate Littler & IODP) [Photo ID: exp353_038]
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