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3D animation shows volcanic lava flow

7 November 2013 Last updated at 12:29 GMT

An international team of scientists has created a 3D animation of a vast obsidian lava flow from a volcano in Chile.

Their study of the flow revealed that the "heaving rocky mass" was still moving more than a year after the eruption.

This short animation, created by team member Dr Mike James from Lancaster University, reveals the shape of this mass of black, rock-encrusted lava.

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