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The Mexican
Volcanic Belt (MVB) is an irregular province, about 1,000 km long and 20-150
km broad, that lies oblique to the Middle American Trench, and extends
east-west between Veracruz (Gulf of Mexico) and Puerto Vallarta (Pacific
Ocean). A characteristic feature of the MVB is the occurrence of high-relief,
nearly north-south trending volcanic ranges formed by large stratovolcanoes,
separated by wide intramontane lacustrine/playa basins.
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