Geyser activity, like all hot spring activity, is caused by surface water gradually seeping down through the ground until it meets rock heated by magma.
Yellowstone National Park has approximately half of the world’s geysers—and most of them, including Old Faithful, are located at the Upper Geyser Basin.
geyser Water contained in porous rock seeps into an opening. Heated by magma below, it escapes under pressure to the earth's surface. gey·ser (gī′zər) n. 1. A ...
Geyser definition, a hot spring that intermittently sends up fountainlike jets of water and steam into the air. See more.
A geyser is a vent in Earth's surface that periodically ejects a column of hot water and steam. Even a small geyser is an amazing phenomenon; however, some geysers ...
Define geyser: a hole in the ground that shoots out hot water and steam; also : the column of water and steam that comes from a… — geyser in a sentence
Britannica Web sites. Articles from Britannica encyclopedias for elementary and high school students. geyser - Children's Encyclopedia (Ages 8-11)
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geyser (plural geysers) (planetology, geology, volcanology) A boiling natural spring which throws forth at frequent intervals jets of water, mud etc ...
Hot Springs are similar to geysers, but their underground channels are large enough to allow rapid circulation of water. Rising hot water releases heat energy by ...