KMS Nanjing Institute of Geology and Palaeonotology,CAS
Paleocene radiolarian faunas in the deep-marine sediments near Zhongba County, southern Tibet | |
Li, Xin (李鑫)1![]() | |
2018 | |
发表期刊 | PALEONTOLOGICAL RESEARCH
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ISSN | 1342-8144 |
卷号 | 22期号:1页码:37-56 |
摘要 | An upper Paleocene radiolarian-bearing succession (ZN1) located in the southern part of the north subzone of the Tethyan Himalaya is composed of siliceous siltstones and claystones. In this paper, 23 species belonging to 13 genera are reported. Three new species, Lychnocanium? pyramis Li and Matsuoka sp. nov., Lychnocanium? stypticum Li and Matsuoka sp. nov., and Pterocyrtidium sinense Li and Matsuoka sp. nov., are described. Radiolarian assemblages from this succession can be compared with the Bekoma campechensis Zone (RP6), indicating a time interval of 61.5-58.23 Ma, i.e., late Paleocene. The radiolarian assemblages from the Yamdrok melange, the Zheba section, and the Jiazhu section indicate that they are of the same age as those from the Zhinadibu 1 section. The lack of calcareous and coarse-grained terrestrial materials in the ZN1 section proves that the strata of this section were deposited in a relatively deep marine environment below the calcium carbonate compensation depth (CCD) and more distal to the continents during the late Paleocene. Coeval deepwater sediments near Saga were accumulated near the CCD. |
关键词 | Indian Passive Margin Late Paleocene New Species Radiolarian Assemblages Southern Tibet |
DOI | 10.2517/2017PR009 |
语种 | 英语 |
关键词[WOS] | New-zealand ; Middle Paleocene ; Code Numbers ; Early Eocene ; Fore-arc ; Biostratigraphy ; Evolution ; Basin ; Himalayas ; Zonation |
资助项目 | National Natural Science Foundation of China[41572188] ; Project of Geological Survey of China[1212011086037] ; Japan Society for the Promotion of Science KAKENHI[15K05329] ; Japan Society for the Promotion of Science KAKENHI[15H02142E] |
WOS研究方向 | Paleontology |
WOS类目 | Paleontology |
WOS记录号 | WOS:000418302900003 |
项目资助者 | National Natural Science Foundation of China ; Project of Geological Survey of China ; Japan Society for the Promotion of Science KAKENHI |
出版者 | PALAEONTOLOGICAL SOC JAPAN |
文献类型 | 期刊论文 |
条目标识符 | http://ir.nigpas.ac.cn/handle/332004/18756 |
专题 | 中国科学院南京地质古生物研究所 |
通讯作者 | Li, Xin (李鑫) |
作者单位 | 1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China 2.China Univ Geosci, Dept Earth Sci & Resources, Beijing 100083, Peoples R China 3.Niigata Univ, Fac Sci, Niigata 9502181, Japan |
第一作者单位 | 中国科学院南京地质古生物研究所 |
通讯作者单位 | 中国科学院南京地质古生物研究所 |
推荐引用方式 GB/T 7714 | Li, Xin ,Li, Yalin,Wang, Chengshan,et al. Paleocene radiolarian faunas in the deep-marine sediments near Zhongba County, southern Tibet[J]. PALEONTOLOGICAL RESEARCH,2018,22(1):37-56. |
APA | Li, Xin ,Li, Yalin,Wang, Chengshan,&Matsuoka, Atsushi.(2018).Paleocene radiolarian faunas in the deep-marine sediments near Zhongba County, southern Tibet.PALEONTOLOGICAL RESEARCH,22(1),37-56. |
MLA | Li, Xin ,et al."Paleocene radiolarian faunas in the deep-marine sediments near Zhongba County, southern Tibet".PALEONTOLOGICAL RESEARCH 22.1(2018):37-56. |
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