Permian foraminifers from the exotic limestone blocks within the central Qiangtang Metamorphic Belt, Tibet and their geological implications | |
Ju, Qi(居琦)7,8,9; Zhang, Yi-chun(张以春)6,8,9; Yuan, Dong-xun5; Qiao, Feng(乔峰)7,8,9; Xu, Hai-peng3,4; Zhang, Hua(张华)8,9; Zheng, Quan-Feng(郑全峰)8,9; Luo, Mao(罗茂)8,9; Qie, Wen-Kun(郄文坤)8,9; Zhai, Qing-guo2 | |
刊名 | JOURNAL OF ASIAN EARTH SCIENCES |
2022-11-01 | |
卷号 | 239页码:15 |
关键词 | Foraminifers North Qiangtang Block Paleotethys Ocean South Qiangtang Block Tectonic evolution |
ISSN号 | 1367-9120 |
DOI | 10.1016/j.jseaes.2022.105426 |
英文摘要 | The Central Qiangtang Metamorphic Belt (CQMB) is a subject of long-standing controversy for decades with respect to its origin and tectonic evolution. In this study, two foraminiferal faunas are reported from the exotic limestone blocks in the Jiaomuchaka and Jiangaizangbu sections within the CQMB. In total, 9 species of fusulines and 32 species of smaller foraminifers have been discovered in the Jiaomuchaka section, and 10 species of fusulines and 15 species of smaller foraminifers have been documented in the Jiangaizangbu section. In terms of the presence of the fusulines Pseudodoliolina ozawai, Presumatrina neoschwagerinoides, Neoschwagerina simplex and Afghanella sp., an age of late Kungurian to Roadian can be assigned to the faunas. A comparative study on the stratigraphic sequence and foraminiferal faunas between the exotic limestone blocks and contemporaneous deposits in the adjacent areas reveals that the exotic limestone blocks resemble strata of the Lugu Formation in the Shuanghu and Minzhuochaka areas in the South Qiangtang Block. The presence of these exotic limestone blocks within the CQMB suggests that the in-situ deposits of the Lugu Formation have been partly subducted beneath the North Qiangtang Block during the closing of the Paleotethys Ocean along the Longmu Co-Shuanghu Suture Zone. |
资助项目 | National Science Foundation of China[91855205] ; Second Tibetan Plateau Scientific Expedition and Research[2019QZKK0706] ; Strategic priority Research Program (B) of the Chinese Academy of Sciences[XDB26000000] |
WOS关键词 | NORTHERN TIBET ; PALEO-TETHYS ; FUSULINE FAUNA ; ACCRETIONARY COMPLEX ; TRIASSIC SUBDUCTION ; TECTONIC EVOLUTION ; SUTURE ZONE ; CHINA ; AREA ; GEOCHRONOLOGY |
WOS研究方向 | Geology |
语种 | 英语 |
出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
WOS记录号 | WOS:000868188300001 |
资助机构 | National Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research ; Strategic priority Research Program (B) of the Chinese Academy of Sciences |
内容类型 | 期刊论文 |
源URL | [http://ir.nigpas.ac.cn/handle/332004/41295] |
专题 | 中国科学院南京地质古生物研究所 |
通讯作者 | Zhang, Yi-chun(张以春) |
作者单位 | 1.China Geol Survey, Chengdu Ctr, Southwest China Innovat Ctr Geosci, Chengdu 610081, Peoples R China 2.Chinese Acad Geol Sci, Inst Geol, Minist Nat Resources, Key Lab Deep Earth Dynam, Beijing 100037, Peoples R China 3.Nanjing Univ, Frontiers Sci Ctr Crit Earth Mat Cycling, Nanjing 210023, Peoples R China 4.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210023, Peoples R China 5.China Univ Min & Technol, Sch Resources & Geosci, Xuzhou 221116, Peoples R China 6.Univ Chinese Acad Sci, Nanjing Coll, Nanjing 210049, Peoples R China 7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 8.Chinese Acad Sci, Ctr Excellence Life & Palaeoenvironm, Nanjing 210008, Peoples R China 9.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China |
推荐引用方式 GB/T 7714 | Ju, Qi,Zhang, Yi-chun,Yuan, Dong-xun,et al. Permian foraminifers from the exotic limestone blocks within the central Qiangtang Metamorphic Belt, Tibet and their geological implications[J]. JOURNAL OF ASIAN EARTH SCIENCES,2022,239:15. |
APA | Ju, Qi.,Zhang, Yi-chun.,Yuan, Dong-xun.,Qiao, Feng.,Xu, Hai-peng.,...&Shen, Shu-zhong.(2022).Permian foraminifers from the exotic limestone blocks within the central Qiangtang Metamorphic Belt, Tibet and their geological implications.JOURNAL OF ASIAN EARTH SCIENCES,239,15. |
MLA | Ju, Qi,et al."Permian foraminifers from the exotic limestone blocks within the central Qiangtang Metamorphic Belt, Tibet and their geological implications".JOURNAL OF ASIAN EARTH SCIENCES 239(2022):15. |
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