Lava bomb. This sample of volcanic rock, in a form known as a lava bomb, is from the Krafla volcanic caldera in northern Iceland. It consists of solid

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Lava bomb. This sample of volcanic rock, in a form known as a lava bomb, is from the Krafla volcanic caldera in northern Iceland. It consists of solidified lava, probably with a volcanic mud core.

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Size: 5157px × 3394px
Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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