2010 Fiscal Year Final Research Report
Geological and petrological validation on the origin of the TTG continental crust by delamination
Project/Area Number |
20540443
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Geology
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Research Institution | Niigata University |
Principal Investigator |
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Project Period (FY) |
2008 – 2010
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Keywords | 大陸性地殻 / グラニュイト相 / エクロジャイト相 / デラミネーション / TTG / 新鉱物 / ヘグボマイト |
Research Abstract |
In Antarctica and Hokkaido, metamorphic rocks and a kind of granite(TTG) were collected, and were analyzed on the evolutions. I discovered a new mineral "Magnesiohogbomite-2N4S" from the metamorphic rock of Antarctica. The result was published in an international journal. I performed the age determination for this rock. Thereby, the CHIME age determination in Niigata University was completed mostly. On the TTG of Hokkaido, I recognized that the delamination is the important process for the origin of the TTG magma. I did invited presentation in the interational conference at Russia about the TTG.
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Research Products
(29 results)
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[Journal Article] Magnesiohogbomite-2N4S : a new polysome from the central Sor Rondane Mountains2012
Author(s)
Shimura, T., Akai, J., Lzaic, B., Armbruster, T., Shimizu, M., Kamei, A., Tsukada, K., Owada, M. and Yuhara, M.
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Journal Title
East Antarctica. American Mineralogist
Volume: 97
Pages: 268-280
Peer Reviewed
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[Journal Article] Magnesiohogbomite-2N4S2011
Author(s)
Shimura, T., Akai, J., Lazic, B., Armbruster, T., Shimizu, M., Kamei, A., Tsukada, K., Owada, M. and Yuhara, M.
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Journal Title
CNMNC Newsletter
Volume: No.9
Pages: 2537
Peer Reviewed
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[Presentation] TTG magma genesis by the collision tectonics between Kuril Arc and NE Japan Arc. Geological Processes in the Lithospheric Plates Subduction2011
Author(s)
Shimura, T., Nagakubo, E., Kemp, A. I. S., Kojima, M. and Inaba, Y.
Organizer
Collision, and Slide Environments
Place of Presentation
Vladivostok, Russia
Year and Date
2011-09-22
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[Presentation] Magnesiohogbomite-2N4S, a new polysome from the central Sor Rondane Mountains, East Antarctica : new end member model of hogbomite group minerals2011
Author(s)
Shimura, T., Akai, J., Lazic, B., Armbruster, T., Shimizu, M., Kamei, A. Tsukada, K., Owada, M. and Yuhara, M.
Organizer
11th International Symposium on Antarctic Earth Science
Place of Presentation
Edinburgh, Scotland
Year and Date
2011-07-12
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