2002
DOI: 10.1029/2001tc901030
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New paleomagnetic constraints on central Asian kinematics: Displacement along the Altyn Tagh fault and rotation of the Qaidam Basin

Abstract: In order to better understand the tectonic evolution of central Asia under the influence of the India‐Asia collision, we carried out a paleomagnetic study of 1500 cores from 106 sites along the Altyn Tagh fault, in the Qaidam and Tarim basins, and on the Tibetan plateau. Samples were mainly collected from Jurassic to Neogene siltstones and sandstones. In most cases stepwise thermal demagnetization unblocks low and high temperature components carried by magnetite and hematite. Low temperature components are nor… Show more

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Cited by 117 publications
(96 citation statements)
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“…By matching the Tertiary rocks along the northern and the central segments of the Altyn Tagh fault, Wang (1997) ascertained 69-90 km of displacement. Chen et al (2002) suggested an offset of 500 ± 130 km between 24 Ma and present based on paleomagnetic data from the Qaidam Basin. Notably, 400 ± 60 km has also been suggested based on the reconstruction of a Jurassic facies boundary across the Altyn Tagh fault (Ritts and Biffi, 2000).…”
Section: General Review Of Previous Estimatesmentioning
confidence: 95%
“…By matching the Tertiary rocks along the northern and the central segments of the Altyn Tagh fault, Wang (1997) ascertained 69-90 km of displacement. Chen et al (2002) suggested an offset of 500 ± 130 km between 24 Ma and present based on paleomagnetic data from the Qaidam Basin. Notably, 400 ± 60 km has also been suggested based on the reconstruction of a Jurassic facies boundary across the Altyn Tagh fault (Ritts and Biffi, 2000).…”
Section: General Review Of Previous Estimatesmentioning
confidence: 95%
“…15B) have been available from all parts of the Altaid collage and from the Kuen-Lun system at large (including the Qilian Shan, Qinghai Nan Shan, and the Anyemaqen Shan) ever since Suess (1901), Kober (1921), Argand (1924), Lee (1928), and Stille (1929) drew attention to its widespread occurrence and especially after interest in it was revived in the framework of plate tectonics by the landmark paper of Molnar and Tapponnier (1975). We here cite only a few of the more comprehensive, exemplary, and the most recent studies documenting it: Şengör (1984; 1987), Hendrix et al (1992), Lu et al (1994), Allen et al (1995), Cunningham et al (1996), Allen and Vincent (1997), Burov and Molnar (1998), Delville et al (2001), Greene et al (2001), Ritts and Biffi (2001), Sobel et al (2001), Sjostrom et al (2001), Vincent and Allen (2001), Chen et al (2002), Wartes et al (2002), and Xiao et al (2004).…”
Section: The Tectonics Of Pangea and The Paleo-tethys During The Latementioning
confidence: 97%
“…Several left-lateral boundary faults, such as, the Altyn Tagh Fault, the Kunlun Fault and the Haiyuan Fault, have possibly played an important role in the rotational deformation of this block. A left-lateral slip movement along the Altyn Tagh Fault during the Oligocene (Chen et al, 2002a) may possibly be a cause of this tectonic rotation. Alternatively, lower crustal flow might have instigated CW rotation in the northeastern part of the Tibetan Plateau (as described in the surface rotation model by Royden et al (1997)).…”
Section: Episodic Cw Rotation In the Eastern Part Of The Qaidam Blockmentioning
confidence: 97%