| Tectonically induced, deep-burial paleo-collapses in the Zhujiang Miocene carbonate platform in the northern South China Sea | |
| Chen, Duanxin1; Wu, Shiguo1; Volker, David2; Dong, Dongdong1; Shi, Hesheng3; Zhao, Shujuan4; Zhu, Lichun5 | |
| 2015-06-01 | |
| 发表期刊 | MARINE GEOLOGY
 |
| 卷号 | 364页码:43-52 |
| 文章类型 | Article |
| 摘要 | 3D seismic reflection data image more than 400 circular depressions in the top surface of the buried Zhujiang carbonate platform of the South China Sea. The features range between 100 and 900 m in diameter and appear to be points of origin of vertical pipes in the overlying 900 m thick mudstone unit The depressions in the carbonates are explained as karst solution features (sinkholes). Unlike similar features in drowned carbonate platforms elsewhere, carbonate solution in the South China Sea apparently took place after drowning and burial of the platform and not under meteoric exposure. The spatial clustering of the sinkholes along faults that are related to the tectonic Dongsha Event suggests that faults acted as pathways for corrosive fluids that served as agents of carbonate solution. Karst cave collapse formed depressions both in the top surface of the carbonate and in the overlying strata. Seismostratigraphic relations between faults, a regional unconformity, the fill of the pipes and the surrounding strata help to reconstruct the succession of events leading to these spectacular features. The corrosive fluids were most probably derived from pore waters of the sandstones underlying the carbonate platform, bearing acidic components thought to be produced from the bacterial degradation of oil. (C) 2015 Elsevier B.V. All rights reserved. |
| 关键词 | Circular Depressions Carbonate Solution And Collapse Dongsha Event Zhujiang Carbonate Platform Pearl River Mouth Basin South China Sea |
| DOI | 10.1016/j.margeo.2015.03.007 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000354148200005 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/26957 |
| 专题 | 海洋地质与环境重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China 2.Univ Bremen, Marum Ctr Marine Environm Sci, D-28359 Bremen, Germany 3.China Natl Offshore Oil Corp Ltd, Shenzhen Branch, Shenzhen 518067, Peoples R China 4.Ocean Univ China, Coll Marine Geosci, Qingdao 266100, Peoples R China 5.PetroChina Tarim Oilfield Co, Res Inst Explorat & Dev, Korla 841000, Peoples R China |
| 第一作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Chen, Duanxin,Wu, Shiguo,Volker, David,et al. Tectonically induced, deep-burial paleo-collapses in the Zhujiang Miocene carbonate platform in the northern South China Sea[J]. MARINE GEOLOGY,2015,364:43-52. |
| APA | Chen, Duanxin.,Wu, Shiguo.,Volker, David.,Dong, Dongdong.,Shi, Hesheng.,...&Zhu, Lichun.(2015).Tectonically induced, deep-burial paleo-collapses in the Zhujiang Miocene carbonate platform in the northern South China Sea.MARINE GEOLOGY,364,43-52. |
| MLA | Chen, Duanxin,et al."Tectonically induced, deep-burial paleo-collapses in the Zhujiang Miocene carbonate platform in the northern South China Sea".MARINE GEOLOGY 364(2015):43-52. |
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