%0 Journal Article %T Linking Tarim Basin sea retreat (west China) and Asian aridification in the late Eocene %+ Paleomagnetic Laboratory ‘Fort Hoofddijk', Utrecht University, Faculty of Geosciences %+ Géosciences Rennes (GR) %+ Marine Palynology and Palaeoceanography %A Bosboom, Roderic %A Dupont-Nivet, Guillaume %A Grothe, Arjen %A Brinkhuis, Henk %A Villa, G. %A Al., Et %< avec comité de lecture %Z PL03426 %@ 0950-091X %J Basin Research %I Wiley %V 26 %N 5 %P 621-640 %8 2014 %D 2014 %R 10.1111/bre.12054 %Z Sciences of the Universe [physics]/Earth SciencesJournal articles %X The Tarim Basin in western China formed the easternmost margin of a shallow epicontinental seathat extended across Eurasia and was well connected to the western Tethys during the Paleogene.Climate modelling studies suggest that the westward retreat of this sea from Central Asia may havebeen as important as the Tibetan Plateau uplift in forcing aridification and monsoon intensificationin the Asian continental interior due to the redistribution of the land-sea thermal contrast. However,testing of this hypothesis is hindered by poor constraints on the timing and precise palaeogeographicdynamics of the retreat. Here, we present an improved integrated bio- and magnetostratigraphicchronological framework of the previously studied marine to continental transition in the southwestTarim Basin along the Pamir and West Kunlun Shan, allowing us to better constrain its timing,cause and palaeoenvironmental impact. The sea retreat is assigned a latest Lutetian–earliest Bartonianage (ca. 41 Ma; correlation of the last marine sediments to calcareous nannofossil Zone CP14and correlation of the first continental red beds to the base of magnetochron C18r). Higher up in thecontinental deposits, a major hiatus includes the Eocene–Oligocene transition (ca. 34 Ma). This suggeststhe Tarim Basin was hydrologically connected to the Tethyan marine Realm until at least theearliest Oligocene and had not yet been closed by uplift of the Pamir–Kunlun orogenic system. Thewestward sea retreat at ca. 41 Ma and the disconformity at the Eocene–Oligocene transition are bothtime-equivalent with reported Asian aridification steps, suggesting that, consistent with climatemodelling results, the sea acted as an important moisture source for the Asian continental interior. %G English %L insu-01130850 %U https://insu.hal.science/insu-01130850 %~ INSU %~ UNIV-RENNES1 %~ UR2-HB %~ CNRS %~ GR %~ OSUR %~ UR1-HAL %~ UR1-SDLM %~ UR1-SDLMJONCH %~ GR-PPDB %~ UNIV-RENNES2 %~ TEST-UNIV-RENNES %~ TEST-UR-CSS %~ UNIV-RENNES %~ INRAE %~ UR1-ENV %~ GR-P