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Provenance of colorless and brown volcanic glass in late Pleistocene tephra layers in the Western Philippine Sea

文献类型：期刊论文

作者Jiang, Fuqing3,5,6,7; Zhang, Zhishun3,5,6; Zhang, Zhaohui1; Zhang, Guoliang3,5,6,7; Huang, Peng3,5,6,7; Zhou, Xiaojing2; Xiong, Zhifang4,7; Li, Congying5,6,7; Li, Tiegang4,7
刊名JOURNAL OF OCEANOLOGY AND LIMNOLOGY
出版日期2024-07-10
页码12
关键词volcanic glass provenance chemical composition Philippine Sea late Pleistocene
ISSN号2096-5508
DOI10.1007/s00343-024-3182-1
通讯作者Jiang, Fuqing(fqjiang@qdio.ac.cn) ; Zhang, Zhaohui(zhaohui_zhang@zju.edu.cn)
英文摘要Tephra layers in the western Philippine Sea, characterized by abundant volcanic glass shards, may provide crucial evidence on the eruption history of volcanoes and tectonic evolution of the western Pacific. A 220-ka sediment core from the Benham Rise in the western Philippine Sea offers new insights into the provenance of four intercalated tephra layers (T1-T4, in chronological order) containing either colorless or brown glass shards. Relative to primitive mantle, all glass shards are enriched in large-ion lithophile elements, such as Rb, Cs, and Pb, and depleted in high field-strength elements, such as Th, Nb, and Ta, indicating a subduction-related origin. The colorless glass shards are characterized by high SiO2 (>78%) and light rare earth element (LREE) contents as well as high La/Sm ratios (>9), low FeO and MgO contents (<1%), low Sr/Y (<15) and high Ba/Th ratios (>100), pointing to a rhyolitic composition and a medium-K calc-alkaline serial affinity. In contrast, the brown glass shards are characterized by lower SiO2 (<63%) and LREE contents, higher FeO, MgO, and CaO contents, lower La/Sm (<6) and Ba/Th (<75), and similar Sr/Y ratios (<15), indicating derivation from medium to high-K calc-alkaline andesite magma. Brown glass shards from layers T3 (152 ka) and T4 (172 ka) were correlated with volcanic deposits from the Taal and Laguna Caldera in the Maccolod Corridor, respectively, while the colorless glass shards from layers T1 (36.5 ka) and T2 (61.2 ka) were likely sourced from the Irosin Caldera in the Bicol Arc. Establishing the provenance of late Pleistocene tephra layers in the western Philippine Sea is helpful to complement a Philippine volcanic history and establish a regional tephrochronostratigraphy.
WOS关键词ISLAND-ARC ; LUZON ARC ; TRACE-ELEMENT ; SOUTHWESTERN LUZON ; CRUSTAL THICKNESS ; MACOLOD CORRIDOR ; CALC-ALKALINE ; MT. PINATUBO ; ASIAN DUST ; BICOL ARC
资助项目Center of Deep Sea Research at Institute of Oceanology, Chinese Academy of Sciences
WOS研究方向Marine & Freshwater Biology ; Oceanography
语种英语
WOS记录号WOS:001269986400001
出版者SCIENCE PRESS
源URL[http://ir.qdio.ac.cn/handle/337002/186221]  
专题海洋研究所_海洋环流与波动重点实验室
海洋研究所_海洋地质与环境重点实验室
通讯作者Jiang, Fuqing; Zhang, Zhaohui
作者单位1.Zhejiang Univ, Inst Marine Chem & Environm, Ocean Coll, Zhoushan 316021, Peoples R China
2.Dalian Ocean Univ, Coll Marine Technol & Environm, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Observat & Forecasting, Qingdao 266071, Peoples R China
6.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
7.Qingdao Marine Sci & Technol Ctr, Lab Marine Geol, Qingdao 266237, Peoples R China
推荐引用方式
GB/T 7714		 Jiang, Fuqing,Zhang, Zhishun,Zhang, Zhaohui,et al. Provenance of colorless and brown volcanic glass in late Pleistocene tephra layers in the Western Philippine Sea[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2024:12.
APA Jiang, Fuqing.,Zhang, Zhishun.,Zhang, Zhaohui.,Zhang, Guoliang.,Huang, Peng.,...&Li, Tiegang.(2024).Provenance of colorless and brown volcanic glass in late Pleistocene tephra layers in the Western Philippine Sea.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,12.
MLA Jiang, Fuqing,et al."Provenance of colorless and brown volcanic glass in late Pleistocene tephra layers in the Western Philippine Sea".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2024):12.

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来源：海洋研究所

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