| Detrital zircon U-Pb geochronology of the Siwalik Group of the Nepal Himalaya: implications for provenance analysis | |
| Baral, U (Baral, Upendra)1,2,3; Lin, D (Lin, Ding)1,2; Chamlagain, D (Chamlagain, Deepak)4; Baral, U | |
| Source Publication | INTERNATIONAL JOURNAL OF EARTH SCIENCES
 |
| 2016 | |
| Volume | 105Issue:3Pages:921-939 |
| DOI | 10.1007/s00531-015-1198-7 |
| Abstract | This paper deals with the provenance analysis of the Neogene foreland basin sediments of the Siwalik Group in the Nepal Himalaya. This study adopts the techniques of the optical petrography and detrital zircon U-Pb ages from two river sections: the Koshi Nadi in eastern Nepal and the Surai Khola in western Nepal Himalaya. The optical petrography data and resulting QFL plot show a "recycled orogeny" field for the studied sandstone samples, indicating northern lithotectonic units; Tethys Himalaya, Higher Himalaya and Lesser Himalaya as the source of the foreland basin sediments. The detrital zircon geochronological data set has clearly revealed that the cluster ages are younger than similar to 1000 Ma; however, the older grains (> 1000 Ma) are significantly fewer. The obtained age spectrum is similar to the Tethys Himalaya and the upper Lesser Himalaya, but the lower Lesser Himalayan rocks were not distinct, which indicates that sediments in the Neogene foreland basin of the Nepal Himalaya were primarily sourced from the Tethys Himalaya and upper Lesser Himalaya. The minor subordinate scattered peaks that roughly correspond to the age of the Higher Himalaya and lower Lesser Himalaya may indicate that a lower proportion of the sediments might have a link with the Higher Himalaya and lower Lesser Himalaya. Therefore, the provenance of the Siwalik Group in the Nepal Himalaya might have witnessed a mixed type of provenance similar to the northwestern Himalaya. |
| Subject Area | 地质学 |
| WOS ID | WOS:000372612100012 |
| Language | 英语 |
| Indexed By | SCI |
| Keyword | Magnetic Polarity Stratigraphy Foreland Basin Deposits India-asia Collision Surai-khola-siwaliks Main Central Thrust Western Nepal Tectonic Evolution Southern Tibet Isotopic Constraints Sedimentary Record |
| Cooperation Status | 国际 |
| Department | 碰撞与隆升 |
| Subtype | Article |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.itpcas.ac.cn/handle/131C11/7727 |
| Collection | 图书馆 |
| Corresponding Author | Baral, U |
| Affiliation | 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100101, Peoples R China 2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China 3.Univ Chinese Acad Sci, Beijing, Peoples R China 4.Tribhuvan Univ, Dept Geol, Tri Chandra Multiple Campus, Kathmandu, Nepal |
| Recommended Citation GB/T 7714 | Baral, U ,Lin, D ,Chamlagain, D ,et al. Detrital zircon U-Pb geochronology of the Siwalik Group of the Nepal Himalaya: implications for provenance analysis[J]. INTERNATIONAL JOURNAL OF EARTH SCIENCES,2016,105(3):921-939. |
| APA | Baral, U ,Lin, D ,Chamlagain, D ,&Baral, U.(2016).Detrital zircon U-Pb geochronology of the Siwalik Group of the Nepal Himalaya: implications for provenance analysis.INTERNATIONAL JOURNAL OF EARTH SCIENCES,105(3),921-939. |
| MLA | Baral, U ,et al."Detrital zircon U-Pb geochronology of the Siwalik Group of the Nepal Himalaya: implications for provenance analysis".INTERNATIONAL JOURNAL OF EARTH SCIENCES 105.3(2016):921-939. |
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| File Name/Size | DocType | Version | Access | License | ||
| V.105(3) 921-939 201（6633KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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