Icelandic Hydrothermal Activity
by Richard Goldman
Title
Icelandic Hydrothermal Activity
Artist
Richard Goldman
Medium
Photograph - Digital Photography
Description
This is one of several geysers in Iceland, where I spent a year while in the US Navy back in 1963. A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by steam. Generally all geyser field sites are located near active volcanic areas, and the geyser effect is due to the proximity of magma. Generally, surface water works its way down to an average depth of around 2,000 metres (6,600 ft) where it contacts hot rocks. The resultant boiling of the pressurized water results in the geyser effect of hot water and steam spraying out of the geyser's surface vent (a hydrothermal explosion). Over one thousand known geysers exist worldwide. Jet-like eruptions, often referred to as cryogeysers, have been observed on several of the moons of the outer solar system. These eruptions consist of vapor without liquid. The word geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb geysa, "to gush", the verb itself from Old Norse.
---From Wikipedia
Uploaded
November 23rd, 2016
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Viewed 2,156 Times - Last Visitor from Fairfield, CT on 04/25/2024 at 8:02 PM
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