Crater lake: Difference between revisions
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''This page describes the geological feature. To see the lake that goes by the same name, go to [[Crater Lake]].'' |
''This page describes the geological feature. To see the lake that goes by the same name, go to [[Crater Lake]].'' |
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A '''crater lake''' is a lake which forms in a [[volcano|volcanic]] caldera after the volcano has been inactive for some time. The most well known crater lake, that also bears the same name as the geological feature, is [[Crater Lake]] in [[Oregon]] state's [[Mount Mazama]]. |
A '''crater lake''' is a lake which forms in a [[volcano|volcanic]] [[caldera]] after the volcano has been inactive for some time. The most well known crater lake, that also bears the same name as the geological feature, is [[Crater Lake]] in [[Oregon]] state's [[Mount Mazama]]. Some crater lakes are acidic, however some remain fresh water. Some may also have geothermal activity, especially if the volcano is still active, but merely dormant. |
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Some crater lakes also form in the [[crater]]s left by [[impact event]]s. These do not tend to develop acidity or geothermal activity, lacking ongoing volcanic processes. |
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Some crater lakes are acidic, however some remain fresh water. Some may also have geothermal activity, especially if the volcano is still active, but merely dormant. |
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Revision as of 09:29, 4 January 2004
This page describes the geological feature. To see the lake that goes by the same name, go to Crater Lake.
A crater lake is a lake which forms in a volcanic caldera after the volcano has been inactive for some time. The most well known crater lake, that also bears the same name as the geological feature, is Crater Lake in Oregon state's Mount Mazama. Some crater lakes are acidic, however some remain fresh water. Some may also have geothermal activity, especially if the volcano is still active, but merely dormant.
Some crater lakes also form in the craters left by impact events. These do not tend to develop acidity or geothermal activity, lacking ongoing volcanic processes.