期刊
SEDIMENTARY GEOLOGY
卷 363, 期 -, 页码 48-68出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.sedgeo.2017.11.005
关键词
Carboniferous-Permian transition; Paleosols; Biostratigraphy; Paleodimate; Pyrenean Basin; Western Tethys
类别
资金
- PIF grant of the Geology Department at UAB
- Erasmus + program of the UAB
- SYNTHESYS Project - European Community Research Infrastructure Action under the FP7 Capacities Program [FR-TAF-3621, FR-TAF-4808]
- Generalitat de Catalunya [2014 - BP-A 00048]
- CERCA program (Institut Catala de Paleontologia M. Crusafont, ICP)
- project Vertebrats del Permia i el Triasic de Catalunya i el seu context geologic
- project Evolucio dels ecosistemes amb faunes de vertebrats del Permia i el Triasic de Catalunya [2014/100606]
- Departament de Cultura (Generalitat de Catalunya)
The Carboniferous-Permian terrestrial successions record a global climatic shift from icehouse to hothouse conditions. Our multidisciplinary study documents an aridification trend throughout the similar to 1000 m thick composite terrestrial succession of the western Catalan Pyrenees (NE Iberian Peninsula), representing this time period. The detailed stratigraphic framework integrates sedimentology, paleopedology, biochronology (plant fossils and tetrapod footprints) and geochronology (paleomagnetism). Additional absolute age correlation is also carried out. The new and reviewed data show that the late Carboniferous wet environments (with short drought periods) progressively changed to a strong seasonal semi-arid and arid climate (with short humid periods) through the early Permian. This paleoclimatic trend supports the previously suggested aridification of the Pangean pan-tropical belt, and supports the hypothesis of the influence of the recurrent climatic fluctuations in Central Pangea, being tentatively correlated to the Southern Gondwanan glaciation-deglaciation periods. Therefore, the Carboniferous-Permian terrestrial succession from the Catalan Pyrenees emerges as a continuous record that can help to constrain late Paleozoic paleoenvironmental events. (C) 2017 Elsevier B.V. All rights reserved.
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