BRITISH ANTARCTIC SURVEY / SCIENCE PHOTO LIBRARY BRITISH ANTARCTIC SURVEY / SCIENCE PHOTO LIBRARY
Volcanic rock research. Researcher studying layers of volcanic rock formed by ash deposits. The ashes are from pyroclastic surges, clouds of hot gas and ashes that form in explosive volcanic eruptions. Photographed on Candlemas Island, South Sandwich Islands, southern Atlantic Ocean. The islands are volcanic in origin.
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