Establishment of the total Quaternary tephrostratigraphy in Kanto region, central Japan
Project/Area Number |
22500987
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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 |
Geography
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Research Institution | Tokyo Metropolitan University |
Principal Investigator |
SUZUKI Takehiko 首都大学東京, 都市環境科学研究科, 教授 (60240941)
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Project Period (FY) |
2010 – 2012
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Project Status |
Completed (Fiscal Year 2012)
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Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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Keywords | 第四紀 / 火山灰層序 / 関東 / 編年 / テフラ |
Research Abstract |
This study aimed to establish the total Quaternary tephrostratigraphy in Kanto region, central Japan, as a part of studies on the construction of Quaternary history in and around Japanese islands. Along the Byobugaura Coastal Cliff (Choshi area, Chiba Prefecture), lithological observation and collection of all visible fall-out tephras positioned in the stratigraphic horizon between 0.9 and 2.0 Ma were carried out, and most tephras were catalogued with characteristic properties.In Tokyo Metropolitan area, lithological observation and collection of visible fall-out tephras in all-cores in Hachioji, Tachikawa and Akishima were performed. Characteristic properties of these tephras were described, and then, correlations with known tephras were attempted. As results, Kd44-Nk, Byobugaura Ob4b-1, Tmg-R4 and SYG tephras were identified. Moreover, Middle Pleistocene Shiobara-Otahara tephra was detected at several locations in Fukushima Prefecture and also found off Shimokita, Tohoku region.
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Report
(4 results)
Research Products
(32 results)
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[Journal Article] Identification of Lower Pleistocene tephras under Tokyo and reconstruction of Quaternary crustal movements, Kanto Tectonic Basin, central Japan2011
Author(s)
Suzuki, T., Obara, M., Aoki, T., Murata, M., Kawashima, S., Kawai, M., Nakayama, T., Tokizane, K.
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Journal Title
Quaternary International
Volume: 246巻
Issue: 1-2
Pages: 247-259
DOI
Related Report
Peer Reviewed
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