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Technical development of in-situ dating method for tiny zircon and implication for metamorphic dynamics.

Technical development of in-situ dating method for tiny zircon and implication for metamorphic dynamics.
微小锆石原位测年方法技术进展及变质动力学意义.
批准号:
20340151
负责人:
KOBAYASHI Katsura
金额:
$10.82万
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:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

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中文摘要
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英文摘要
The main subject of this research was development of in-situ zircon dating method by the secondary ion mass spectrometer. The author succeeded to develop sample polishing technique to get the very flat surface and to prepare reliable zircon standards by conventional techniques, then established new dating method, which can be applied less than 10 micron zircon grain. The method had been applied to the Kohistan high pressure metermorphic rocks and determined ~45 Ma as their metermorphic age.
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会议论文
Late Mesozoic silicic magmatism of the North Chukotka area (KE Russia) : Age, magma sources, and geodynamic implications
北楚科奇地区晚中生代硅质岩浆作用(俄罗斯KE):年龄、岩浆来源和地球动力学意义
DOI: --
发表时间: 2008
期刊: Lithos 105
影响因子: --
作者: [Tikhomirov, P. L., Kalinina, E. A., Kobayashi, K., Nakamura, E.]
通讯作者: E.
Eclogite-high-pressure granulite metamorphism records early collision in West Gondwana : new data from the Southern Braslia Belt. Brazil
榴辉岩-高压麻粒岩变质作用记录了西冈瓦纳的早期碰撞:来自南巴西利亚带的新数据。
DOI: --
发表时间: 2009
期刊: J. Geol. Soc. London 116
影响因子: --
作者: [Reno, B.L., Brown, M., Kobayashi, K., Nakamura, E., Piccoli, P.M., Trouw, R.A.J.]
通讯作者: R.A.J.
Ion microprobe U-Pb geochronology and trace element geochemistry of the zircon from the Himalayan high- and ultrahigh-pressure eclogites, Kaghan Valley of Pakistan
巴基斯坦卡甘谷喜马拉雅高压和超高压榴辉岩离子探针U-Pb年代学和微量元素地球化学
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Hafiz Ur Rehman, Hiroshi Yamamoto., 他3名]
通讯作者: 他3名
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