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Conference Paper: Optical dating of sediments from manas lake in northwestern china: Paleoenvironmental and neotectonic implications
Title | Optical dating of sediments from manas lake in northwestern china: Paleoenvironmental and neotectonic implications |
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Authors | |
Keywords | Manas Lake Lacustrine and paleoshoreline sediments Quartz OSL dating Uplift |
Issue Date | 2017 |
Publisher | De Gruyter Open, published on behalf of Silesian University of Technology. The Journal's web site is located at http://www.degruyter.com/view/j/geochr |
Citation | The 4th Asia Pacific Luminescence and Electron Spin Resonance Dating Conference, 23-25 November 2015, Adelaide, Australia. In Geochronometria, 2017, v. 44 n. 1, p. 175-187 How to Cite? |
Abstract | Manas Lake is a closed lake basin in northern Xinjiang Province of China, with its current lake bed at 244 m a.s.l. Sediments from the lake area provide valuable information about the paleoenvironmental changes in the Westerlies-dominated arid region. To obtain a chronological constraint on the past changes, optically stimulated luminescence dating was conducted on sediments from the lake beaches. The results show that lacustrine episodes dated at ~80–73 ka ago were recorded in northwestern side of the lake at 270 m a.s.l., while paleoshoreline to near-shore environments during ~80–90 ka ago were recorded in the opposite side of the lake at 262 m a.s.l. The ~80 ka old sedimentary layers are overlain by paleoshoreline sediments formed within the last ~1 ka, separated by a large age gap. From this study and the results from previous studies, it is concluded that breaks in sedimentary records are common in the lake area at elevation > 260 m a.s.l. When comparing sedimentary environments at different times from different sites in this study and previous studies, it is suggested that a small amount of uplift of the northwestern side of Manas Lake relative to the southeastern side may have occurred in the last 80 ka. |
Persistent Identifier | http://hdl.handle.net/10722/265258 |
ISSN | 2014 Impact Factor: 0.723 2023 SCImago Journal Rankings: 0.464 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Tse, YY | - |
dc.contributor.author | Li, SH | - |
dc.date.accessioned | 2018-11-20T02:03:09Z | - |
dc.date.available | 2018-11-20T02:03:09Z | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | The 4th Asia Pacific Luminescence and Electron Spin Resonance Dating Conference, 23-25 November 2015, Adelaide, Australia. In Geochronometria, 2017, v. 44 n. 1, p. 175-187 | - |
dc.identifier.issn | 1733-8387 | - |
dc.identifier.uri | http://hdl.handle.net/10722/265258 | - |
dc.description.abstract | Manas Lake is a closed lake basin in northern Xinjiang Province of China, with its current lake bed at 244 m a.s.l. Sediments from the lake area provide valuable information about the paleoenvironmental changes in the Westerlies-dominated arid region. To obtain a chronological constraint on the past changes, optically stimulated luminescence dating was conducted on sediments from the lake beaches. The results show that lacustrine episodes dated at ~80–73 ka ago were recorded in northwestern side of the lake at 270 m a.s.l., while paleoshoreline to near-shore environments during ~80–90 ka ago were recorded in the opposite side of the lake at 262 m a.s.l. The ~80 ka old sedimentary layers are overlain by paleoshoreline sediments formed within the last ~1 ka, separated by a large age gap. From this study and the results from previous studies, it is concluded that breaks in sedimentary records are common in the lake area at elevation > 260 m a.s.l. When comparing sedimentary environments at different times from different sites in this study and previous studies, it is suggested that a small amount of uplift of the northwestern side of Manas Lake relative to the southeastern side may have occurred in the last 80 ka. | - |
dc.language | eng | - |
dc.publisher | De Gruyter Open, published on behalf of Silesian University of Technology. The Journal's web site is located at http://www.degruyter.com/view/j/geochr | - |
dc.relation.ispartof | Geochronometria | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Manas Lake | - |
dc.subject | Lacustrine and paleoshoreline sediments | - |
dc.subject | Quartz OSL dating | - |
dc.subject | Uplift | - |
dc.title | Optical dating of sediments from manas lake in northwestern china: Paleoenvironmental and neotectonic implications | - |
dc.type | Conference_Paper | - |
dc.identifier.email | Li, SH: shli@hku.hk | - |
dc.identifier.authority | Li, SH=rp00740 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1515/geochr-2015-0063 | - |
dc.identifier.scopus | eid_2-s2.0-85031825737 | - |
dc.identifier.hkuros | 295933 | - |
dc.identifier.volume | 44 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 175 | - |
dc.identifier.epage | 187 | - |
dc.identifier.isi | WOS:000419936300006 | - |
dc.publisher.place | Germany | - |
dc.identifier.issnl | 1733-8387 | - |