A scientist aboard the METEOR cuts through a volcanic rock sample recovered from King's Trough from a depth of several thousand meters (photo: Fabian Hampel) (IMAGE)

Helmholtz Centre for Ocean Research Kiel (GEOMAR)

A scientist aboard the METEOR cuts through a volcanic rock sample recovered from King's Trough from a depth of several thousand meters (photo: Fabian Hampel)

Caption

Volcanic rock acts as an archive of Earth's history. Here, a scientist on board the METEOR cuts through a rock sample recovered from King's Trough.

Photo: Fabian Hampel, GEOMAR

Credit

Photo: Fabian Hampel, GEOMAR

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