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Magnetostratigraphy of the Yaha section, Tarim Basin (China): 11 Ma acceleration in erosion and uplift of the Tian Shan mountains

Charreau, Julien and Gilder, Stuart and Chen, Yan and Dominguez, Stéphane and Avouac, Jean-Philippe and Sen, Sevket and Jolivet, Marc and Li, Yongan and Wang, Weiming (2006) Magnetostratigraphy of the Yaha section, Tarim Basin (China): 11 Ma acceleration in erosion and uplift of the Tian Shan mountains. Geology, 34 (3). pp. 181-184. ISSN 0091-7613.

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We report a magnetostratigraphic and rock magnetic study of the Yaha section, located on the southern flank of the central Tian Shan mountains, Asia. Our results show a two-fold increase in sedimentation rate as well as marked changes in rock magnetic characteristics ca. 11 Ma. After 11 Ma, sedimentation rate remained remarkably constant until at least 5.2 Ma. These findings are consistent with sedimentary records from other sections surrounding the Tian Shan. We conclude that uplift and erosion of the Tian Shan accelerated ca. 11 Ma, long after the onset of the collision between India and Asia, and that the range rapidly evolved toward a steady-state geometry via a balance between tectonic and erosion processes.

Item Type:Article
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URLURL TypeDescription DOIArticle
Avouac, Jean-Philippe0000-0002-3060-8442
Additional Information:© 2006 Geological Society of America. Manuscript received 27 July 2005. Revised manuscript received 14 November 2005. Manuscript accepted 16 November 2005. We dedicate this paper to Shaozhu Wu, whose unselfish and invaluable contributions will be sorely missed. We thank Ed Sobel, Rob Coe, John Suppe, and Neil Opdyke for their critical reviews. This study was financed by the French Institut National des Sciences de l’Univers program ECLISPE (Environnement et Climat du Passé: Histoire et Evolution) and the Chinese project 2005CB422101. This is Institut de Physique du Globe de Paris contribution 2100.
Group:Caltech Tectonics Observatory, Caltech Tectonics Observatory. Indo-Asian Collision Zone, Seismological Laboratory
Funding AgencyGrant Number
Institut national des sciences de l'Univers (INSU)ECLIPSE
973 Program of China2005CB422101
Subject Keywords:Tian Shan; uplift; erosion; magnetostratigaphy; Tarim
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Other Numbering System NameOther Numbering System ID
Institut de Physique du Globe de Paris contribution2100
Issue or Number:3
Record Number:CaltechAUTHORS:20110110-151927244
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:21677
Deposited By: Tony Diaz
Deposited On:31 Jan 2011 17:33
Last Modified:26 Jan 2020 05:21

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