Biogeochemical approach to understanding phosphogenic events of the terminal Proterozoic to Cambrian
文献类型：期刊论文
| 作者 | Shen, Y; Schidlowski, M; Chu, XL |
| 刊名 | PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
 |
| 出版日期 | 2000-05-01 |
| 卷号 | 158期号:1-2页码:99-108 |
| 关键词 | apatite C-13/C-12 phosphogenesis Precambrian-Cambrian boundary S-34/S-32 |
| ISSN号 | 0031-0182 |
| 文献子类 | Article |
| 英文摘要 | The Precambrian-Cambrian (PC/C) transition is one of the most remarkable intervals in Earth history. Here, we report the S-isotopic compositions of trace sulfates in apatites of two phosphorite deposits spanning the PC/C boundary on the Yangtze Platform, southern China. A comparison of these S-isotope data with published delta(13)C profiles from contemporaneous carbonates suggests that current views concerning phosphogenesis during this time interval need to be reassessed. In the case of the Late Sinian phosphogenic event, which led to the formation of the Doushantuo phosphorites, an excessive development of microorganisms and the operation of the Fe-redox pump may have been primarily responsible for the processes of phosphorite formation. This suggests predominantly geobiodynamic controls rather than tectonic forcing. By contrast, the deposition of the Early Cambrian Zhongyicun phosphorites was probably caused by a breakup of the pre-existing supercontinent and a concomitant transgression, with upwelling nutrient-rich waters triggering a rapid diversification of small shelly invertebrates on the newly generated continental shelves. (C) 2000 Elsevier Science B.V. All rights reserved. |
| WOS关键词 | CARBON-ISOTOPE ; PHOSPHATE REMOVAL ; YANGTZE PLATFORM ; SULFUR-ISOTOPE ; PHOSPHORUS ; SEAWATER ; RECORD ; EVOLUTION ; APATITE ; ENVIRONMENTS |
| WOS研究方向 | Physical Geography ; Geology ; Paleontology |
| 语种 | 英语 |
| WOS记录号 | WOS:000086553300007 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/76411]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Shen, Y |
| 作者单位 | 1.Max Planck Inst Chem, D-55020 Mainz, Germany 2.Acad Sinica, Inst Geol, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shen, Y,Schidlowski, M,Chu, XL. Biogeochemical approach to understanding phosphogenic events of the terminal Proterozoic to Cambrian[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2000,158(1-2):99-108. |
| APA | Shen, Y,Schidlowski, M,&Chu, XL.(2000).Biogeochemical approach to understanding phosphogenic events of the terminal Proterozoic to Cambrian.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,158(1-2),99-108. |
| MLA | Shen, Y,et al."Biogeochemical approach to understanding phosphogenic events of the terminal Proterozoic to Cambrian".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 158.1-2(2000):99-108. |
入库方式： OAI收割
来源：地质与地球物理研究所
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