Elucidation of the dynamic magma system by precise time-scale evaluation
Elucidation of the dynamic magma system by precise time-scale evaluation
批准号:
23340160
负责人:
NAKAMURA Eizo
金额:
$12.65万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011-04-01 至 2014-03-31
中文摘要
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英文摘要
In order to understand the dynamic magma system of volcanoes, we attempted to develop new age dating methods then applied them to natural volcanic ejecta. Consequently, we established new U-Th-Ra disequilibrium dating method by using multi collection ICP-MS, and determined the duration of magma supply sequences of Fuji volcano. Additionally, we examined new K-Ar dating combining the spiked and the unspiked sensitivity method to determine eruption ages less than 0.1 Myrs. This method could be successfully applied for lavas from Bratan volcano in Indonesia. The dynamic eruption model regarding supervolcan eruptions driven by melt buoyancy was established.
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岡山大学地球物質科学研究センター
冈山大学地球材料科学研究中心
DOI:
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发表时间:
期刊:
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作者:
[]
通讯作者:
DOI:
10.1073/pnas.1116236109
发表时间:
2012-02
期刊:
Proceedings of the National Academy of Sciences
影响因子:
--
作者:
[E. Nakamura;A. Makishima;T. Moriguti;K. Kobayashi;R. Tanaka;T. Kunihiro;T. Tsujimori;C. Sakaguchi-C.-Sakag]
通讯作者:
E. Nakamura;A. Makishima;T. Moriguti;K. Kobayashi;R. Tanaka;T. Kunihiro;T. Tsujimori;C. Sakaguchi-C.-Sakag
Sediment-enriched adakitic magmas from the Daisen volcanic field, Southwest Japan
来自日本西南部大山火山田的富含沉积物的埃达克岩浆
DOI:
10.1002/ggge.20176
发表时间:
2013
期刊:
Geochem. Geophys. Geosystem
影响因子:
--
作者:
[Feineman, M., Moriguti, T., Yokoyama, T., Terui, S. and Nakamura, E.]
通讯作者:
E.
地球物質科学研究センターホームページ
地球材料科学研究中心主页
DOI:
--
发表时间:
期刊:
影响因子:
--
作者:
[]
通讯作者:
DOI:
10.1038/ngeo2042
发表时间:
2014-02
期刊:
Nature Geoscience
影响因子:
18.3
作者:
[W. Malfait;R. Seifert;S. Petitgirard;J. Perrillat;M. Mezouar;T. Ota;E. Nakamura;P. Lerch;C. Sanchez‐Valle]
通讯作者:
W. Malfait;R. Seifert;S. Petitgirard;J. Perrillat;M. Mezouar;T. Ota;E. Nakamura;P. Lerch;C. Sanchez‐Valle
共 7 条
Establishment of high-accuracy dating method of tiny zircon (<10μm) : Implication for age determination of the oldest rock on the Earth
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批准号:15340192
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$10.43万
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财政年份:2003
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负责人:NAKAMURA Eizo
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依托单位:
Development of age determination method using U-Th isotope disequilibrium for the prediction of volcanic eruption
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批准号:11554021
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$7.49万
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财政年份:1999
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负责人:NAKAMURA Eizo
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依托单位:
HIGH-PRESSURE EXPERIMENTAL, STUDIES OF DIFFERENTIATION AND LAYERED STRUCTURE OF THE EARTH
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批准号:10440154
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$8.19万
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财政年份:1998
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负责人:NAKAMURA Eizo
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依托单位:
国内基金
海外基金
东北地区火山岩的U-TH-RA放射性不平衡和岩浆过程
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批准号:48970164
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项目类别:面上项目
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资助金额:4.0万元
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批准年份:1989
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负责人:梁卓成
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依托单位: