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A'a Lava Flow, Hawaii

Target Name:  Earth's Volcanos
Produced by:  S. Rowland/LPI

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aaflow.tifTIFF2005 x 13007M

A'a lava flows are typically blocky, usually approximately 3-20 meters (10 to 66 feet) thick, and rolls over itself across the ground like a tank track. The jagged flow front normally creeps forward and steepens until a section becomes unstable and breaks off, revealing the incandescent central core. This flow is about 4 meters (13 feet) thick.

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