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<datestamp>2018-01-11</datestamp>
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<title lang=en>Denudation outpaced by crustal thickening in the eastern Tianshan</title>
<creator>Charreau, Julien</creator>
<creator>Saint-carlier, Dimitri</creator>
<creator>Dominguez, Stephane</creator>
<creator>Lavé, Jérôme</creator>
<creator>Blard, Pierre-Henri</creator>
<creator>Avouac, Jean-Philippe</creator>
<creator>Jolivet, Marc</creator>
<creator>Chen, Yan</creator>
<creator>Wang, Shengli</creator>
<creator>Nathan Brown, David.</creator>
<creator>Malatesta, Luca, </creator>
<creator>Rhodes, Edward</creator>
<contributor>Centre de Recherches Pétrographiques et Géochimiques (CRPG) ; Université de Lorraine (UL) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Division of Geological and Planetary Sciences [Pasadena] ; California Institute of Technology (CALTECH)</contributor>
<contributor>Géosciences Rennes (GR) ; Université de Rennes 1 (UR1) - Institut national des sciences de l'Univers (INSU - CNRS) - Observatoire des Sciences de l'Univers de Rennes (OSUR) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO) ; Bureau de Recherches Géologiques et Minières (BRGM) (BRGM) - Institut national des sciences de l'Univers (INSU - CNRS) - Université d'Orléans (UO) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Géodynamique - UMR7327 ; Bureau de Recherches Géologiques et Minières (BRGM) (BRGM) - Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO) ; Bureau de Recherches Géologiques et Minières (BRGM) (BRGM) - Institut national des sciences de l'Univers (INSU - CNRS) - Université d'Orléans (UO) - Centre National de la Recherche Scientifique (CNRS) - Institut national des sciences de l'Univers (INSU - CNRS) - Université d'Orléans (UO) - Centre National de la Recherche Scientifique (CNRS) - Institut national des sciences de l'Univers (INSU - CNRS)</contributor>
<contributor>Department of Earth Sciences ; Nanjing University (NJU)</contributor>
<contributor>CNRS-INSU SYSTER</contributor>
<description>International audience</description>
<source>ISSN: 0012-821X</source>
<source>Earth and Planetary Science Letters</source>
<publisher>Elsevier</publisher>
<identifier>insu-01610154</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/insu-01610154</identifier>
<source>https://hal-insu.archives-ouvertes.fr/insu-01610154</source>
<source>Earth and Planetary Science Letters, Elsevier, 2017, 479, pp.179-191. 〈10.1016/j.epsl.2017.09.025〉</source>
<identifier>DOI : 10.1016/j.epsl.2017.09.025</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.epsl.2017.09.025</relation>
<language>en</language>
<subject lang=en>Mountain building</subject>
<subject lang=en>Active tectonics</subject>
<subject lang=en>Shortening rate</subject>
<subject lang=en>10Be exposure dating</subject>
<subject lang=en>Bayanbulak basin</subject>
<subject lang=en>Tianshan</subject>
<subject>[SDU.STU] Sciences of the Universe [physics]/Earth Sciences</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The modern high topography of the Tianshan resulted from the reactivation of a Paleozoic orogenic belt by the India/Asia collision. Today, the range exhibits tectonically active forelands and intermontane basins. Based on quantitative morphotectonic observations and age constraints derived from cosmogenic 10Be dating, single-grain post-infrared infrared stimulated luminescence (p-IR IRSL) dating and modeling of fault scarp degradation, we quantify the deformation in the Nalati and Bayanbulak intermontane basins in the central Eastern Tianshan. Our results indicate that at least 1.4 mm/yr of horizontal crustal shortening is accommodated within these two basins. This shortening represents over 15% of the 8.5 ± 0.5 mm/yr total shortening rate across the entire range at this longitude. This shortening rate implies that the Eastern Central Tianshan is thickening at a mean rate of ∼1.4 mm/yr, a rate that is significantly higher than the average denudation rate of 0.14 mm/yr derived from our cosmogenic analysis. This discrepancy suggests that the Tianshan range has not yet reached a steady-state topography and remains in a transient state of topographic growth, most likely due to limited denudation rates driven by the arid climate of Central Asia.</description>
<date>2017</date>
</dc>
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