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GPS measurements from the Ladakh Himalaya, India: Preliminary tests of plate-like or continuous deformation in Tibet

2004; Geological Society of America; Volume: 116; Issue: 11-12 Linguagem: Inglês

10.1130/b25357.1

1943-2674

Sridevi Jade, B. C. Bhatt, Zhiqiang Yang, Rebecca Bendick, V. K. Gaur, Péter Molnár, M. Anand, Dilip Kumar,

Geological and Geochemical Analysis

Research Article| November 01, 2004 GPS measurements from the Ladakh Himalaya, India: Preliminary tests of plate-like or continuous deformation in Tibet Sridevi Jade; Sridevi Jade 1CSIR Centre for Mathematical Modelling and Computer Simulation, Bangalore 5650037, India Search for other works by this author on: GSW Google Scholar B.C. Bhatt; B.C. Bhatt 2Indian Institute of Astrophysics, Bangalore 560034, India Search for other works by this author on: GSW Google Scholar Z. Yang; Z. Yang 3Department of Surveying Engineering, Chang'an University, Xi'an 710054, People's Republic of China Search for other works by this author on: GSW Google Scholar R. Bendick; R. Bendick 4Department of Geological Sciences, and Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309-0399, USA5COMET, University of Cambridge, Madingley Road, Cambridge CB3 0EZ, UK Search for other works by this author on: GSW Google Scholar V.K. Gaur; V.K. Gaur 6CSIR Centre for Mathematical Modelling and Computer Simulation, Bangalore 5650037, India7Indian Institute of Astrophysics, Bangalore 560034, India Search for other works by this author on: GSW Google Scholar P. Molnar; P. Molnar 8Department of Geological Sciences, and Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309-0399, USA Search for other works by this author on: GSW Google Scholar M.B. Anand; M.B. Anand 9CSIR Centre for Mathematical Modelling and Computer Simulation, Bangalore 5650037, India Search for other works by this author on: GSW Google Scholar Dilip Kumar Dilip Kumar 9CSIR Centre for Mathematical Modelling and Computer Simulation, Bangalore 5650037, India Search for other works by this author on: GSW Google Scholar Author and Article Information Sridevi Jade 1CSIR Centre for Mathematical Modelling and Computer Simulation, Bangalore 5650037, India B.C. Bhatt 2Indian Institute of Astrophysics, Bangalore 560034, India Z. Yang 3Department of Surveying Engineering, Chang'an University, Xi'an 710054, People's Republic of China R. Bendick 4Department of Geological Sciences, and Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309-0399, USA5COMET, University of Cambridge, Madingley Road, Cambridge CB3 0EZ, UK V.K. Gaur 6CSIR Centre for Mathematical Modelling and Computer Simulation, Bangalore 5650037, India7Indian Institute of Astrophysics, Bangalore 560034, India P. Molnar 8Department of Geological Sciences, and Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309-0399, USA M.B. Anand 9CSIR Centre for Mathematical Modelling and Computer Simulation, Bangalore 5650037, India Dilip Kumar 9CSIR Centre for Mathematical Modelling and Computer Simulation, Bangalore 5650037, India Publisher: Geological Society of America Received: 19 Mar 2003 Revision Received: 28 Nov 2003 Accepted: 06 Jan 2004 First Online: 08 Mar 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Geological Society of America GSA Bulletin (2004) 116 (11-12): 1385–1391. https://doi.org/10.1130/B25357.1 Article history Received: 19 Mar 2003 Revision Received: 28 Nov 2003 Accepted: 06 Jan 2004 First Online: 08 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Sridevi Jade, B.C. Bhatt, Z. Yang, R. Bendick, V.K. Gaur, P. Molnar, M.B. Anand, Dilip Kumar; GPS measurements from the Ladakh Himalaya, India: Preliminary tests of plate-like or continuous deformation in Tibet. GSA Bulletin 2004;; 116 (11-12): 1385–1391. doi: https://doi.org/10.1130/B25357.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract Observations of relative motion in a geodetic network in Ladakh, India, and across southern Tibet indicate slow shear on the Karakorum fault, rapid east-west extension across the whole of southern Tibet, and constant arc-normal convergence between India and southern Tibet along the Himalayan arc. Measurements of ten campaign-style and six permanent sites with global positioning system (GPS) precise geodesy provide these bounds on the style and rates of the large-scale deformation in the Tibet-Himalaya region. Divergence between sites at Leh, Ladakh, India, and Shiquanhe, western Tibet, as well as slow relative motion among sites within the Ladakh network, limit right-lateral slip parallel to the Karakorum fault to only 3.4 ± 5 mm/yr. This low rate concurs with a recent estimate of 3–4 mm/yr for Late Holocene time, but disagrees with the much higher rate of 30–35 mm/yr that has been used to argue for plate-like behavior of the Tibetan Plateau. Convergence between Ladakh and the Indian subcontinent at 18.8 ± 3 mm/yr at 224° ± 17° (1σ) differs little from estimates of convergence across the central segment of the Himalaya. Finally, lengthening of the baseline between Leh, Ladakh, and Lhasa (in southeastern Tibet) at 17.8 ± 1 mm/yr or between Leh and Bayi (farther to the southeast) at 18 ± 3 mm/yr, is consistent with an extrapolation of rates of east-west extension of the Tibetan Plateau based both on shorter GPS baselines (e.g., Lhasa-Simikot) and on diverging slip vectors of earthquakes in the Himalaya. We interpret these results to indicate that Tibet behaves more like a fluid than like a plate. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.