New slip rates for the Tianjingshan fault using optically stimulated luminescence, GPS, and paleoseismic data, NE Tibet, China

Li, Xinnan; Li, Chuanyou; Pierce, Ian; Zhang, Peizhen; Zheng, Wenjun; Dong, Jinyuan; Chen, Gan; Ai, Ming; Ren, Guangxue; Luo, Quanxing

doi:10.1016/j.tecto.2019.02.007

Cited by 17 publications

(13 citation statements)

References 27 publications

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“…The modeled slip rate along the primary segments of the Haiyuan fault is 5.4 ± 0.4 mm/yr, consistent with the geologic slip rates of 4.5 ± 1.0 mm/yr (Li et al., 2009). To the north of the Haiyuan fault, the model predicts 1.5 ± 0.4 mm/yr of left‐lateral slip on the Tianjingshan fault, in agreement with the geological constraint of 1.1 ± 0.2 mm/yr (Li, Li, et al., 2019). The modeled left‐lateral slip rate on the West Qinling fault is 2.5 ± 0.3 mm/yr, decreasing to 1.1 ± 0.4 mm/yr to the east, consistent with geologic rates decreasing eastward from 2.3 ± 0.2 to 1.2 ± 0.2 mm/yr (Wu, 2016).…”

Section: Resultssupporting

confidence: 75%

Tectonic Deformation of the Northeastern Tibetan Plateau and Its Surroundings Revealed With GPS Block Modeling

Pierce

Bormann

et al. 2021

JGR Solid Earth

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The northeastern Tibetan Plateau is tectonically complex, resulting from the ongoing India-Eurasia collision and bordered by the rigid Alashan and Ordos blocks in the north and northeast, respectively (e.g., Tapponnier et al., 2001;Zhang et al., 2003; Figure 1). The deformation of the northeastern Tibetan Plateau and its surroundings are characterized by a variety of tectonic settings including strike-slip (e.g., the East Kunlun and Haiyuan faults), contraction (e.g., the Qilian and Liupan Mountains), and extension (e.g., the Yinchuan and Weihe Basins; Figure 1). A great effort has been made in previous studies using the GPS block model to characterize the crustal deformation of the northeastern Tibetan Plateau and its surroundings. Some researchers (e.g.

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Section: Resultssupporting

confidence: 75%

Tectonic Deformation of the Northeastern Tibetan Plateau and Its Surroundings Revealed With GPS Block Modeling

Pierce

Bormann

et al. 2021

JGR Solid Earth

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“…A combination of geomorphological measurements with assumption on ages, based on regional climatic variations, led Gaudemer et al () to propose a Quaternary slip rate of 4.3 ± 2 mm/year, just east of the Haiyuan‐Zhongwei junction. Further east, near the city of Xishaomen (103.4°E), OSL dating of offset landforms yield slip rates ranging from 1.1 ± 0.2 mm/year (Li et al, , ) to 4–5 mm/year (Min et al, ).…”

Section: Morphotectonic Setting Of the Haiyuan Faultmentioning

confidence: 99%

Late Pleistocene‐Holocene Slip Rate Along the Hasi Shan Restraining Bend of the Haiyuan Fault: Implication for Faulting Dynamics of a Complex Fault System

et al. 2019

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The Haiyuan fault is a major left-lateral strike-slip fault at the boundary between northeast Tibet and the Gobi platform. Combining measurements of offset alluvial terraces with 10 Be-26 Al cosmogenic radionuclides dating, we bracket the late Quaternary slip rate along the Hasi Shan fault section (37°00′N, 104°25′E) of the Haiyuan fault. At our reference site, terrace-riser offsets for five successive terraces range from~5 to~200 m, and associated cosmogenic radionuclide ages range from 9 ± 3 to 44 ± 7 kyr. These measurements yield a geological slip rate between 2.7 and 3.0 mm/year. Extending the offset measurements to the entire Hasi Shan front, it yields a slip rate of 3.2 ± 0.2 mm/year over the last 50 kyr. Our rate is consistent with the lower estimates of other long-term rates of 4 to 5 mm/year, as well as with geodetic rates of 3 to 5 mm/year, determined in the same area. About 150 km farther west, however, Holocene terraces and moraines offsets have suggested higher slip rate values, between 6 and 15 mm/year. We interpret such discrepancy between rates determined along the western section of the Haiyuan fault and rates determined in the Hasi Shan section as being related to the complex geometry of the Haiyuan fault system along its eastern part, with several active strands moving at the same time and resulting in distributed slip among several sections of the fault system. Key Points: • Slip rate along the Hasi Shan section of the Haiyuan fault is determined from numerous offsets and cosmogenic exposure dates over a period of 50,000 years • The Hasi Shan fault strand horizontal slip rate is about 3.2 mm/year; this rate is stable over 50,000 years; the uplift rate is about 0.5 mm/year • Combining slip rate for the Hasi Shan strand and all subparallel stands yields a slip rate of 5 to 7 mm/year for the Haiyuan fault system Supporting Information: • Supporting Information S1

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“…A-A' is the profile measured by Fang et al in Linxia-Dongxiang in 2007(Fang et al, 2007 [Colour figure can be viewed at wileyonlinelibrary.com] Cobbold, & Davy, 1990;Liu, Cui, & Liu, 2004;Molnar & Tapponnier, 1975;Tapponnier, 1986;Tapponnier et al, 2001;Wang, Dong, Zhang, Wang, & Guo, 1984;Xu, Ben-Avraham, & Kelty, 2014;Xu, Yang, Liu, Shi, & Wei, 2013;Yin, 2010). A series of arcuate active fault zones, such as the Haiyuan Fault Zone (Burchfiel et al, 1991;Lasserre et al, 2002;Liu et al, 2015), Xiangshan-Tianjingshan Fault Zone (Institute of Geology, State Seismological Bureau, 1990;Li, Li, et al, 2019;XTF;Ye et al, 2015), Yantongshan Fault Zone (YTF; Wang, Zhang, & Lei, 2013), and Niushoushan-Luoshan Fault Zone (NLF;Chen et al, 2015;Gong et al, 2016;Shi, Liu, et al, 2013), were formed from the far-field effect of extrusion in the northeast margin of the Tibetan Plateau. The YTF and NLF are the two major fault zones in the study area.…”

Section: Geological and Geomorphic Settingmentioning

confidence: 99%

“…Approximately 120 zircons were selected to date each F I G U R E 8 Age peak spectra of the detrital zircon analysis from the Ganhegou Formation, Yellow River terraces, and the modern Yellow River [Colour figure can be viewed at wileyonlinelibrary.com] F I G U R E 9 Age spectrum characteristics of structural units in the upper reaches of the Yellow River. (a) Qilian Orogenic Belt data primarily come from Gehrels, Yin, and Wang (2003); Lease, Burbank, Gehrels, Wang, and Yuan (2007); Li et al (2014Li et al ( , 2019. (b) East Kunlun Orogen data primarily come from Pan, Zhuo, and Xu (1996); Mock, Arnaud, and Cantagrel (1999) 1,300-1,700 Ma(10), and 2,300-2,600 Ma(8) (Figures 7 and 8).…”

Section: Detrital Zircon Datingmentioning

confidence: 99%

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Late Miocene Yellow River formation in Qingtongxia area, North China: Detrital zircon and heavy mineral analysis at Niushou Mountain, Ningxia

2020

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The development and formation times of the Yellow River, the second largest drainage system in China, remain controversial. The Ganhegou Formation, a set of Upper Miocene-Pliocene fluvial facies sediments, developed around Niushou Mountain in the outermost edge of the arcuate structural belt in the northeastern margin of the Tibetan Plateau and has a sediment composition very similar to that of the Yellow River. In this article, the relationship between the deposition of the Ganhegou Formation and the Yellow River is confirmed through the analysis and comparison of sediment composition, detrital zircons, and heavy mineral characteristics of the Ganhegou Formation, a Yellow River terrace, and the modern Yellow River. The sediments of the Ganhegou Formation contain abundant well-ground and sorted fluvial pebbles that are largely consistent with Yellow River sediments. The analysis of the composition of zircons and heavy minerals shows that the age peaks of all detrital zircons are primarily among 200-300 Ma, 400-500 Ma, and 1,700-2,000 Ma and that all the heavy minerals are generally characterized by the combination of 'haematite + garnet + zircon + epidote + quartz and altered minerals'. Therefore, the Ganhegou Formation in the Niushou Mountain area of Ningxia is a likely sediment of the ancient Yellow River, which has existed at Qingtongxia since at least the Late Miocene.

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New slip rates for the Tianjingshan fault using optically stimulated luminescence, GPS, and paleoseismic data, NE Tibet, China

Cited by 17 publications

References 27 publications

Tectonic Deformation of the Northeastern Tibetan Plateau and Its Surroundings Revealed With GPS Block Modeling

Tectonic Deformation of the Northeastern Tibetan Plateau and Its Surroundings Revealed With GPS Block Modeling

Late Pleistocene‐Holocene Slip Rate Along the Hasi Shan Restraining Bend of the Haiyuan Fault: Implication for Faulting Dynamics of a Complex Fault System

Late Miocene Yellow River formation in Qingtongxia area, North China: Detrital zircon and heavy mineral analysis at Niushou Mountain, Ningxia

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