Paul Renne, Berkeley Geochronology Center (IMAGE)

American Association for the Advancement of Science (AAAS)

Paul Renne, Berkeley Geochronology Center

Caption

Paul Renne, director of the Berkeley Geochronology Center and a professor-in-residence at UC Berkeley, inspects a reddened soil horizon called a red bole between lava flows.

Credit

[Credit: Mark Richards, UC Berkeley]

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