| Co-Investigator(Kenkyū-buntansha) |
ITO Takashi 茨城大学, 教育学部, 教授 (10272098)
IKEHARA Minoru 高知大学, 自然科学系, 准教授 (90335919)
YAMAGUCHI Kosei 東邦大学, 理学部, 准教授 (00359209)
HORIE Kenji 国立極地研究所, 地圏研究グループ, 助教 (00571093)
SUGANUMA Yusuke 国立極地研究所, 地圏研究グループ, 助教 (70431898)
ONOUE Tetsuji 熊本大学, 理学部, 准教授 (60404472)
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| Budget Amount *help |
¥47,320,000 (Direct Cost: ¥36,400,000、Indirect Cost: ¥10,920,000)
Fiscal Year 2013: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
Fiscal Year 2012: ¥10,660,000 (Direct Cost: ¥8,200,000、Indirect Cost: ¥2,460,000)
Fiscal Year 2011: ¥15,470,000 (Direct Cost: ¥11,900,000、Indirect Cost: ¥3,570,000)
Fiscal Year 2010: ¥14,040,000 (Direct Cost: ¥10,800,000、Indirect Cost: ¥3,240,000)
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| Research Abstract |
We did following four topics to understand Mesoarchean to Paleoproterozoic ocean floor environment. 1) 3.2Ga DXCL drilling project: 200m long fresh black shale-iron formation had been drilling and we collected flesh sample. 2) Lateral variation of Cleaverville iron formation in coastal Pilbara terrane, Western Australia. 3) Geochemical analysis (isotope C, S) shows ocean environment at 3.2 Ga already prepare to oxidation produce system at near the island arc condition. 4) 2.2Ga Berimian greenstone belt in Ghana have been preserved excellent oceanic sequence at that time. We reconstructed deep ocean island arc stratigraphy at this area.
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