Geochemistry of the upper Permian sandstones in the Dalong Formation in the South Yellow Sea Basin, East China: implications to provenance, weathering, and tectonic setting
文献类型：CNKI期刊论文
| 作者 | Yuxiao HUANG; Xingwei GUO; Xunhua ZHANG; Laixing CAI |
| 发表日期 | 2021-05-15 |
| 出处 | Journal of Oceanology and Limnology
 |
| 关键词 | rock geochemistry rock weathering tectonic setting evolution of rock South Yellow Sea Basin |
| 英文摘要 | To reconstruct the paleoenvironment, the petrography and geochemical compositions of the upper Permian Dalong Formation(Fm)(P_3d) sandstones in the Central Uplift, South Yellow Sea Basin, was investigated, after which the provenance, tectonic setting, weathering conditions, and diagenetic history were determined. The Dalong Fm is mainly composed of sandstones with a few mudstones and limestones. The petrographic analysis showed that the P_3d sandstones are in low maturity and could be classified into feldspar sandstone and lithic sandstone on average framework composition of Q_(63)F_(16)L _(21). The major and trace element results show that Dalong Fm sandstones are enriched in Rb and depleted in Cr and Ni compared with the upper continental crust(UCC). The chemical weathering intensity is weak to low moderate in the source area as indicated by the chemical index of alteration(CIA) and other results from a variety of methods. The diagenetic process included three main stages: eodiagenesis, mesodiagenesis, and telodiagenesis. Tectonic discrimination plots show that the source areas were an active continental margin(ACM) and a passive continental margin(PCM), which may have been related to the northward movement of the Lower Yangtze Plate(LYP) and the collision between the LYP and the North China Plate(NCP). |
| 文献子类 | CNKI期刊论文 |
| 资助机构 | Supported by the Shandong Provincial Natural Science Foundation,China (No. ZR2018BD026) ; the National Marine Geology Special Project (No. DD20190377) |
| 卷 | v.39期:03页:31-46 |
| 语种 | 英文; |
| 分类号 | P736 |
| ISSN号 | 2096-5508 |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/187765]  |
| 专题 | 中国科学院海洋研究所 |
| 作者单位 | 1.QingdaoInstituteofMarineGeology 2.InstituteofOceanology,ChineseAcademyofSciences 3.OceanUniversityofChina 4.LaboratoryforMarineMineralResources,PilotNationalLaboratoryforMarineScienceandTechnology(Qingdao) |
| 推荐引用方式 GB/T 7714 | Yuxiao HUANG,Xingwei GUO,Xunhua ZHANG,et al. Geochemistry of the upper Permian sandstones in the Dalong Formation in the South Yellow Sea Basin, East China: implications to provenance, weathering, and tectonic setting. 2021. |
入库方式： OAI收割
来源：海洋研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。