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A volcanic ash generated by explosions where ignimbrite entered the sea


A remarkably widely dispersed and crystal-rich volcanic ash-fall deposit is described, which resulted from immense explosions generated in the littoral zone in New Zealand where a major rhyolitic ignimbrite flowed into the sea. This partially explains what happens when large pyroclastic flows enter water.

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Walker, G. A volcanic ash generated by explosions where ignimbrite entered the sea. Nature 281, 642–646 (1979).

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