| Project/Area Number |
22654059
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Geology
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| Research Institution | Kyushu University |
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Principal Investigator |
KANO Akihiro 九州大学, 大学院・比較社会文化研究院, 教授 (60231263)
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| Project Period (FY) |
2010 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥3,060,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥1,500,000 (Direct Cost: ¥1,500,000)
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| Keywords | トゥファ / 鍾乳石 / 古気候解析 / 安定同位体 / アジアモンスーン / 温泉 / トラバーチン / 日輪 / シアノバクテリア / ストロマトライト / 鉄酸化細菌 / 縞状鉄鉱床 / 縞状鉄鉱層 |
|---|
| Research Abstract |
Microbial mats in hydrothermal environments provide a key tounderstand the signatures from microbial processes recorded in Archean-Proterozoicsediments. For the mats on the calcium carbonate travertines, this study investigatedmicrobial effects to the sedimentary textures through the physicochemical change at thewater-sediment interface. The results from Nagayu hot-spring(Ohita Prefecture), Anrakuhot-spring(Kagoshima Prefecture), and Pancuran Pitu(Indonesia) indicate that thelaminated textures are daily owning to the cyanobacterial metabolic cycle. Similarinvestigation was also performed for tufa deposits in the ambient temperature setting.
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