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粘土矿物及其所指示的风尘对帕里西维拉盆地的输入等组合特征数据集(1.95 Ma以来)(英文数据集)
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关 键 词 粘土矿物,风尘堆积,帕里西维拉
To understand the provenance and evolution of eolian input in the last 1.95 Ma in the Parece Vela Basin in the eastern Philippine Sea, the clay mineral assemblage of a gravity core PV090510 from the basin was investigated using paleogeomagnetic dating and X-ray diffraction. The assemblage of the core mainly consisted of smectite (~46%) and illite (~40%), with some chlorite (~10%) and kaolinite (~4%). Analysis of the provenance of these minerals suggested that smectite was mainly derived from volcanic rocks of the Mariana Arc, while illite, chlorite, and kaolinite were mainly transported as eolian dust by the East Asian monsoon from central Asia. We used the ratio of (illite+chlorite+kaolinite)/smectite as a proxy for Asian eolian input to the Parece Vela Basin since 1.95 Ma. This ratio followed glacial and interglacial cycles and was consistent with the intensity of the East Asian monsoon and aridity of central Asia since 1.95 Ma. The changes of the ratio reflected three different stages of the East Asian monsoon and provenance climate.
a. Description of Intellectual Property Rights When using a dataset, please refer to the following documents in the article: MING Jie, LI Anchun, HUANG Jie, et al. Assemblage characteristics of clay minerals and its implications to evolution of eolian dust input to the Parece Vela Basin since 1.95 Ma[J]. Chinese Journal of Oceanology and Limnology, 2014, 32(1): 174-186 b. The data labels refer to the following specifications: In order to respect intellectual property rights and protect the rights and interests of data contributors and service providers, data users are requested to mark the data sources in the research results (including project evaluation reports, acceptance reports, academic papers and graduation thesis) based on this data, and the references cited in the [Citation Reference], and submit the publicly available results to the "National Earth System Science Data Sharing Platform" Data sources refer to the following specifications: Chinese Expression: 国家科技基础条件平台-国家地球系统科学数据共享平台-东亚古环境科学数据库; English Expression: East Asian Paleoenvironmental Science Database, National Earth System Science Data Sharing Infrastructure, National Science & Technology Infrastructure of China Acknowledgments refer to the following specifications: Acknowledgments in Chinese: 感谢国家科技基础条件平台-国家地球系统科学数据共享平台-东亚古环境科学数据库提供数据支撑。 Acknowledgments in English: Acknowledgement for the data support from " National Earth System Science Data Sharing Infrastructure, National Science & Technology Infrastructure of China, East Asian Paleoenvironmental Science Database. " Iegal liability: The platform owns intellectual property rights protected by the law, including copyrights for all the data products or services and relevant information published by the platform itself or contributed by some data contributors. No unit or individual may copy, modify, transcribing, spread or sell any part of the above data products, services, information or materials in any way or reason without the written permission of this platform. Where the infringement of copyright and other intellectual property rights of the platform, the platform will be held accountable according to law, hereby solemnly declare! c. Contacts Name: Data processing group Email: eapsd@ieecas.cn Tel: 029-62336213
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地质纪录 - 陆地环境记录
东亚古环境科学数据库
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单位: 中科院地球环境研究所 电话: 029-62336213
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