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MAAR [1 record]

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Record 1 2004-02-16

English

Subject field(s)
  • Geomorphology and Geomorphogeny
  • Vulcanology and Seismology
DEF

A volcanic crater that is produced by an explosion in an area of low refief, is generally more or less circular, and often contains a lake, pond, or marsh.

CONT

The formation of these vents is believed to be a result of hydrovolcanic processes (resulting in maars and tuff rings).

OBS

Maars often fill with water to form a lake.

French

Domaine(s)
  • Géomorphologie et géomorphogénie
  • Volcanologie et sismologie
DEF

[...] large excavation circulaire, allongée, ou en forme de sabot de cheval avec des débris éjectés sur ses rebords ou ses flancs.

CONT

La formation de ces cratères résulte vraisemblablement de processus hydrovolcaniques qui se manifestent par la création de maars et d'anneaux de tufs.

Spanish

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