hot spring
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Minerva Terrace, Mammoth Hot Springs
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Also known as a thermal spring, a spring supplied by underground
water heated usually by vapor from magma,
and most common in recently active volcanic regions. The temperature and
rate of discharge of hot springs depend on factors such as the rate at which
water circulates through the system of underground channelways, the amount
of heat supplied at depth, and the extent of dilution of the heated water
by cool ground water near the surface. The water contains dissolved minerals
that may form terraces around the the outlet. See also geyser.
Related category
• GEOLOGY
AND PLANETARY SCIENCE
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