Abstract

Significant information is available regarding glacial history, lake level and vegetation history from several basins and volcanoes during the late Pleistocene in the Transmexican Volcanic Belt (TMVB). Here we present a synthesis and compilation of that information to establish the climatic conditions in this region during the Last Glacial Maximum. The data is organized in four time windows: Early Glacial: 25000-22000 cal BP, Last Glacial Maximum: 22000-18000 cal BP, Late Glacial: 18000-15000 cal BP and Terminal Glacial 15000-12000 cal BP. The late Pleistocene geomorphological evidence from Iztaccihuatl volcano offer the most complete record of glacial advances during the last 30000 yr; at other elevations the glacial history is fragmentary (due to volcanic activity) or more

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