Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
| Stable isotopes and rare earth element compositions of ancient cold seep carbonates from Enza River, northern Apennines (Italy): Implications for fluids sources and carbonate chimney growth | |
| Zhu, Bi1; Ge, Lu1,2; Yang, Tao3; Jiang, Shaoyong4; Lv, Xuan5 | |
| 2019-11-01 | |
| Source Publication | MARINE AND PETROLEUM GEOLOGY
 |
| ISSN | 0264-8172 |
| Volume | 109Pages:434-448 |
| Corresponding Author | Zhu, Bi(61744432@qq.com) ; Ge, Lu(gelu211@163.com) |
| Abstract | Cold seep carbonates are remarkable fossil records of hydrocarbon seepage and related conduits. In the present research, we analysed the carbon and oxygen isotopes, rare earth element (REE) and trace element content of carbonate chimneys and concretions in the Pleistocene Argille Azzurre Formation, northern Apennines, Italy. Strong C-13 depletions (values as low as - 40.3 parts per thousand) observed in both carbonate concretions and chimneys indicate that anaerobic oxidation of biogenic methane played a major role in the formation of these carbonates. Slightly higher delta C-13 values mostly found in the outer layers of the carbonate chimneys reflect a contribution of inorganic carbon from seawater. REE patterns reveal the carbonates formed under mostly anoxic pore water conditions. Combined REE and trace element data reveal the growth of chimneys occurred from the outside-in, with the outer chimney walls experiencing rapid growth. Excellent correlations between Ce/Ce*, REE contents, and La-N/Sm-N and Y/Ho ratios observed in the chimney walls provide additional evidence for the influence of seawater in the formation of the chimneys. Meanwhile, O isotopic compositions of the samples suggest an O-18-depleted fluid was involved in carbonate precipitation. This study has major implications for tracking fluid sources of seep carbonates and patterns of carbonate chimney growth. |
| Keyword | Cold seep carbonates Enza river Stable isotopes Rare earth elements Carbonate chimney growth |
| DOI | 10.1016/j.marpetgeo.2019.06.033 |
| WOS Keyword | EASTERN MEDITERRANEAN SEA ; SOUTH CHINA SEA ; AUTHIGENIC CARBONATES ; HYDROCARBON SEEPS ; CERIUM ANOMALIES ; HYDRATE RIDGE ; PORE WATERS ; CONTINENTAL-SLOPE ; REDOX CONDITIONS ; ALAMINOS CANYON |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[41302018] ; National Natural Science Foundation of China[41873011] ; Fundamental Research Funds for the Central Universities[2017B16214] ; Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences[Y909kl1001] |
| WOS Research Area | Geology |
| Funding Organization | National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences |
| WOS Subject | Geosciences, Multidisciplinary |
| WOS ID | WOS:000490044500030 |
| Publisher | ELSEVIER SCI LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.giec.ac.cn/handle/344007/25863 |
| Collection | 中国科学院广州能源研究所 |
| Corresponding Author | Zhu, Bi; Ge, Lu |
| Affiliation | 1.Hohai Univ, Inst Isotope Hydrol, Sch Earth Sci & Engn, Nanjing 210098, Jiangsu, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China 3.Nanjing Univ, Dept Earth Sci, State Key Lab Mineral Deposits Res, 22 Hankou Rd, Nanjing 210093, Jiangsu, Peoples R China 4.China Univ Geosci, Collaborat Innovat Ctr Explorat Strateg Mineral R, State Key Lab Geol Proc & Mineral Resources, Fac Earth Resources, Wuhan 430074, Hubei, Peoples R China 5.Tongji Univ, Sch Ocean & Earth Sci, Shanghai, Peoples R China |
| Recommended Citation GB/T 7714 | Zhu, Bi,Ge, Lu,Yang, Tao,et al. Stable isotopes and rare earth element compositions of ancient cold seep carbonates from Enza River, northern Apennines (Italy): Implications for fluids sources and carbonate chimney growth[J]. MARINE AND PETROLEUM GEOLOGY,2019,109:434-448. |
| APA | Zhu, Bi,Ge, Lu,Yang, Tao,Jiang, Shaoyong,&Lv, Xuan.(2019).Stable isotopes and rare earth element compositions of ancient cold seep carbonates from Enza River, northern Apennines (Italy): Implications for fluids sources and carbonate chimney growth.MARINE AND PETROLEUM GEOLOGY,109,434-448. |
| MLA | Zhu, Bi,et al."Stable isotopes and rare earth element compositions of ancient cold seep carbonates from Enza River, northern Apennines (Italy): Implications for fluids sources and carbonate chimney growth".MARINE AND PETROLEUM GEOLOGY 109(2019):434-448. |
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