Thursday, May 31, 2007

Contact Person Cover Letter

volcanic volcanic landscapes and Bibliography Links

Volcanic activity within the crust heats the water above and below ground. This gives rise to spectacular volcanic landscapes, called hydrothermal areas where hot water, sludge and bubbling gases and sprout through cracks in the ground.

* Hot Springs: It is caused when groundwater is heated by the action of the hot rocks that are next.

* BUBBLING MUD: When hot water mixed with mineral particles leads to a pond and bubbling hot mud. Volcanic acid gases corrode the rock particles.

* FUMAROLAS: It's a crack through which are ejected jets of steam and hot volcanic gases. These gases smell like rotten eggs because they contain sulfur.

* GEISER: A water fountain that erupts when water is trapped in an underground chamber is heated above its boiling point.

GEISERITA * TERRACE: The minerals deposited by a hot spring that rises to the surface can lead to beautiful terraces geiserita strangely colored.

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