A ca. 290 Ma hydrothermal calcite in Cambrian dolostone
文献类型：期刊论文
| 作者 | Lan, Zhongwu6,7,8; Wu, Shitou8; Wang, Fangyue5; Liu, Bo4; Shi, Kaibo3; Sun, Jing2; Cao, Rong1,8; Li, Xian-Hua1,8 |
| 刊名 | MARINE AND PETROLEUM GEOLOGY
 |
| 出版日期 | 2023 |
| 卷号 | 147页码:11 |
| ISSN号 | 0264-8172 |
| 关键词 | Hydrothermal calcite LA-ICP-MSU-Pb Tarim basin Ca 290 Ma |
| DOI | 10.1016/j.marpetgeo.2022.106011 |
| 通讯作者 | Lan, Zhongwu(lzw1981@126.com) |
| 英文摘要 | Acquiring the absolute timing for hydrothermal carbonate is a precondition to probing into the basinal-scale, tectonically-driven fluid circulation processes. This study provides an absolute LA-ICP-MS age of ca. 290 Ma from calcite megacrysts within the early Paleozoic dolostones of the Tarim Basin, which corresponds to the timing of Early Permian Large Igneous Province (LIP), which we suggest is genetically linked. The ca. 290 Ma calcite underwent subsequent partial recrystallization or dissolution-precipitation forming younger calcite ages of ca. 250 Ma, consistent with the timing of the Indosinian orogeny. Th/U ratios are demonstrated to be an effective criterion to differentiate domains of primary (ca. 290 Ma) and alteration (ca. 250 Ma) calcite, with the former displaying lower Th/U ratios (0.005-0.05) in comparison to the latter that shows relatively higher Th/U ratios (>0.15). Such differential Th/U ratios may suggest differential involvement of fluids from both within the host dolostones and from magmatic/hydrothermal fluids. This study also demonstrates that Si and Pb prefer-entially enter into the crystal lattice of calcite to replace Ca via charge balance substitution mechanism. In contrast, U, Sr, Y, La and Ce are mainly concentrated around cleavage planes, cracks and veinlets within calcite. |
| WOS关键词 | TARIM BASIN ; NW CHINA ; ICP-MS ; NORTHWESTERN CHINA ; PB ; DOLOMITIZATION ; GEOCHEMISTRY ; GEOCHRONOLOGY ; ORDOVICIAN ; CARBONATES |
| 资助项目 | National Key Research and Development Program of China[2018YFA0702600] ; National Science Foundation of China[U19B6003] ; National Science Foundation of China[41873034] ; National Science Foundation of China[41673016] ; Petro China Open Fund[2022- KFKT-07] ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences[SKLZ202001] ; State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences[GPMR201902] ; State Key Laboratory of Palaeobiology and Stratigraphy , Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences[193112] |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCI LTD |
| WOS记录号 | WOS:000891842000002 |
| 资助机构 | National Key Research and Development Program of China ; National Science Foundation of China ; Petro China Open Fund ; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences ; State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences ; State Key Laboratory of Palaeobiology and Stratigraphy , Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences |
| 源URL | [http://ir.nigpas.ac.cn/handle/332004/41532]  |
| 专题 | 中国科学院南京地质古生物研究所 |
| 通讯作者 | Lan, Zhongwu |
| 作者单位 | 1.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China 2.China Univ Petr, Coll Geosci, Beijing 102249, Peoples R China 3.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China 4.Peking Univ, Inst Oil & Gas, Beijing 100871, Peoples R China 5.Hefei Univ Technol, Sch Resources & Environm Engn, Hefei 230009, Anhui, Peoples R China 6.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China 7.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China 8.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lan, Zhongwu,Wu, Shitou,Wang, Fangyue,et al. A ca. 290 Ma hydrothermal calcite in Cambrian dolostone[J]. MARINE AND PETROLEUM GEOLOGY,2023,147:11. |
| APA | Lan, Zhongwu.,Wu, Shitou.,Wang, Fangyue.,Liu, Bo.,Shi, Kaibo.,...&Li, Xian-Hua.(2023).A ca. 290 Ma hydrothermal calcite in Cambrian dolostone.MARINE AND PETROLEUM GEOLOGY,147,11. |
| MLA | Lan, Zhongwu,et al."A ca. 290 Ma hydrothermal calcite in Cambrian dolostone".MARINE AND PETROLEUM GEOLOGY 147(2023):11. |
入库方式： OAI收割
来源：南京地质古生物研究所
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