Discovery of SPICE and carbon isotope stratigraphic correlation of the Cambrian Furongian Series in Tarim Craton, NW China
文献类型:期刊论文
作者 | Chen, Yongquan2; Zhang, Yanqiu2; Wu, Yasheng3,4,5; Zhou, Peng2; Li, Kaikai1,6; Wang, Xiaoxue2 |
刊名 | SCIENCE CHINA-EARTH SCIENCES
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出版日期 | 2020-06-17 |
页码 | 9 |
关键词 | Tarim craton Cambrian Furongian series SPICE Carbon isotope stratigraphy |
ISSN号 | 1674-7313 |
DOI | 10.1007/s11430-019-9623-2 |
英文摘要 | The Furongian Series of the Cambrian in the Tarim Craton (NW China) is mainly composed of crystalline dolostones, and is an important target for oil and gas exploration. The chronostratigraphic framework of the Furongian Series in the Tarim Craton has not yet been established due to the scarcity of fossils and the absence of the Steptoean Positive Carbon Isotope Excursion (SPICE), which is the primary global carbon isotope excursion of the Furongian Series. In this study, the SPICE was discovered by examining the carbon isotopes of the representative drilling wells in the West Platform and East Basin. A positive carbon isotope anomaly with delta C-13 values ranging from 1.5 parts per thousand to 1.9 parts per thousand (PDB), were found in the middle of the Xiaqiulitag Formation of the three drilling wells in the West Platform, and a positive excursion with delta C-13 values up to 4.0 parts per thousand (PDB), which is correlated with the SPICE, was found in the lower limestone of the Tuershaketag Formation in the East Basin. Based on the carbon isotopic data and chemostratigraphic correlation, the chronostratigraphic framework of the Furongian Series across different facies in the Tarim Craton is preliminarily established. The basal boundary of the Furongian Series was preliminarily defined by the occurrence of the SPICE. A weak positive anomaly of delta C-13 was observed at the base of the Penglaiba Formation of the three boreholes in the West Platform and the top of the Tuershaketag Formation of Tadong-2 well. We propose that the positive anomaly of the carbon isotope above the weak negative anomaly at the base of the Penglaiba Formation and the top of the Tuershaketag Formation can be used to define the Cambrian-Ordovician boundary in the Tarim Craton. |
WOS关键词 | ARGENTINE PRECORDILLERA ; ORDOVICIAN BOUNDARY ; EXCURSIONS ; RECORD ; BASIN ; SEQUENCES ; SEAWATER ; SECTION |
资助项目 | National Science and Technology Major Project[2016ZX05004-004] ; National Science and Technology Major Project[20177X05008-005] |
WOS研究方向 | Geology |
语种 | 英语 |
WOS记录号 | WOS:000541327300001 |
出版者 | SCIENCE PRESS |
资助机构 | National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project ; National Science and Technology Major Project |
源URL | [http://ir.iggcas.ac.cn/handle/132A11/97160] ![]() |
专题 | 地质与地球物理研究所_中国科学院油气资源研究重点实验室 |
通讯作者 | Chen, Yongquan |
作者单位 | 1.China Univ Geosci Beijing, Sch Energy & Resources, Beijing 100083, Peoples R China 2.Petrochina, Petr Explorat & Dev Inst, Tarim Oil Co, Korla 841000, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China 4.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China 5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 6.Minist Educ, Key Lab Marine Reservoir Evolut & Hydrocarbon Enr, Beijing 100083, Peoples R China |
推荐引用方式 GB/T 7714 | Chen, Yongquan,Zhang, Yanqiu,Wu, Yasheng,et al. Discovery of SPICE and carbon isotope stratigraphic correlation of the Cambrian Furongian Series in Tarim Craton, NW China[J]. SCIENCE CHINA-EARTH SCIENCES,2020:9. |
APA | Chen, Yongquan,Zhang, Yanqiu,Wu, Yasheng,Zhou, Peng,Li, Kaikai,&Wang, Xiaoxue.(2020).Discovery of SPICE and carbon isotope stratigraphic correlation of the Cambrian Furongian Series in Tarim Craton, NW China.SCIENCE CHINA-EARTH SCIENCES,9. |
MLA | Chen, Yongquan,et al."Discovery of SPICE and carbon isotope stratigraphic correlation of the Cambrian Furongian Series in Tarim Craton, NW China".SCIENCE CHINA-EARTH SCIENCES (2020):9. |
入库方式: OAI收割
来源:地质与地球物理研究所
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