Ar-40/Ar-39 geochronology of Holocene volcanic activity at Changbaishan Tianchi volcano, Northeast China
文献类型：期刊论文
| 作者 | Yang, Liekun; Wang, Fei; Feng, Huile; Wu, Lin; Shi, Wenbei |
| 刊名 | QUATERNARY GEOCHRONOLOGY
 |
| 出版日期 | 2014-06-01 |
| 卷号 | 21页码:106-114 |
| 关键词 | Ar-45/Ar-39 dating Millennial volcanic ejects Holocene Changbaishan volcano |
| ISSN号 | 1871-1014 |
| DOI | 10.1016/j.quageo.2013.10.008 |
| 文献子类 | Article |
| 英文摘要 | We undertook a detailed Ar-40/Ar-39 study of the youngest eruption material from the top of the Tianchi volcano cone, dating from the last 20 ka, in order to better understand the frequency of recent eruptions. The results show that the multi-aliquot step-lasing Ar-40/Ar-39 method can yield meaningful ages at this young time, even in Na sanidine (Or40 An60). Xenocrystic contamination can potentially be recognized by the significant scatter in apparent ages between runs of different step-lasing experiments on sanidine derived from pumice. Sanidine that originates from the alkali lava flows is free of excess argon and reflects several reliable plateau ages from 20 ka to 5 ka in sequence. We cannot obtain a plateau age from the pumices of more recent eruptions, but with analysis of a large amount of data, we are able to derive reliable inverse isochron ages of 1 ka and 4 ka, respectively. Our research shows that the Changbaishan Volcano has been more active in the last 20 ka than previously thought; and therefore, the volcano may pose hazards that have previously been underappreciated. The small difference between the Ar-40/Ar-39 ages calculated here and previous Uranium-series ages obtained from the same section suggests a short residence time for the Tianchi volcano, in which the time between crystallization and eruption was brief. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved. |
| WOS关键词 | AR-40-AR-39 LASER PROBE ; C-14 AGE RANGE ; K-AR ; BAITOUSHAN VOLCANO ; VOLATILE EMISSION ; MAGMA EVOLUTION ; NE CHINA ; ERUPTION ; HAZARDS ; CONSTRAINTS |
| WOS研究方向 | Physical Geography ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000333490000011 |
| 出版者 | ELSEVIER SCI LTD |
| 资助机构 | National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; 41025010) ; 41025010) ; 41025010) ; 41025010) ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; 41025010) ; 41025010) ; 41025010) ; 41025010) ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; 41025010) ; 41025010) ; 41025010) ; 41025010) ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; National Natural Science Foundation of China(40903025 ; 41025010) ; 41025010) ; 41025010) ; 41025010) |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/86581]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Yang, Liekun |
| 作者单位 | 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 | Yang, Liekun,Wang, Fei,Feng, Huile,et al. Ar-40/Ar-39 geochronology of Holocene volcanic activity at Changbaishan Tianchi volcano, Northeast China[J]. QUATERNARY GEOCHRONOLOGY,2014,21:106-114. |
| APA | Yang, Liekun,Wang, Fei,Feng, Huile,Wu, Lin,&Shi, Wenbei.(2014).Ar-40/Ar-39 geochronology of Holocene volcanic activity at Changbaishan Tianchi volcano, Northeast China.QUATERNARY GEOCHRONOLOGY,21,106-114. |
| MLA | Yang, Liekun,et al."Ar-40/Ar-39 geochronology of Holocene volcanic activity at Changbaishan Tianchi volcano, Northeast China".QUATERNARY GEOCHRONOLOGY 21(2014):106-114. |
入库方式： OAI收割
来源：地质与地球物理研究所
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