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The AAPG/Datapages Combined Publications Database
CSPG Special Publications
Abstract
Regional Paleogeography and Tectonics
The Mid-Early Permian Regression and Transgression of the Tethys
Abstract
The most prominent events in the Early Permian history of Tethys were the post-Sakmarian regression and the subsequent late Yahtashian-Bolorian transgression. Approximately at the same time the climate warmed abruptly. Similar events happened in the Boreal region; they were recorded also in the Glass Mountains in North America. This appears to suggest a eustatic nature for those events. The same events led to profound biotic changes affecting various faunal groups. They were reflected in Late Permian communities replacing Late Carboniferous - Early Permian ones. The changes coincide with the inferred onset of transgression at the end of the Yahtashian (Artinskian?) stage. Upper Permian communities gained their ultimate shape in the Kubergandian (Ufimian?) stage.
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