Is pyroclastic material likely to form from low viscosity lava or high viscosity lava

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06-12-2015
Biology

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Is pyroclastic material likely to form from low viscosity lava or high viscosity lava

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taskmasters taskmasters · Answer 1 · 2015-12-06T18:22:14+01:00

Pyroclastic material is likely to form from low viscous lava. Low viscosity magmas flow more rapidly and form lava that covers tens or even hundreds of miles. In contras, high viscosity magmas flow slowly and typically cover small areas. Pyroclastic material is another name for a cloud of ash, lava fragments carried through the air and vapor. Such a flow is usually very hot and moves rapidly due to buoyancy provided by the vapors. Pyroclastic flows can extend miles from the volcano, and devastate life and property within their paths.