SEARCHING FOR FRESH LAVA—Scientists responding to undersea volcanic eruptions are looking for evidence of fresh lava. This lava, photographed on the Galapagos Rift in 2002, was estimated to be less than 10 years old. One way scientists place an age on lava is by looking at its surface. As lava ages, it loses its glassy black luster. (Credit: WHOI)[back]
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