(geology) A jetlike eruption of lava that issues vertically from a volcanic vent or fissure. Also known as fire fountain.
Lava fountain
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(′lä·və ′fau̇nt·ən)
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A lava fountain is a volcanic phenomenon in which lava is forcefully but non-explosively ejected from a crater, vent, or fissure. Lava fountains may reach heights of up to 500 m (1,640 ft). They may occur as a series of short pulses, or a continuous jet of lava. They are commonly seen in Strombolian and Hawaiian eruptions.
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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