2012 Fiscal Year Final Research Report
Geomicrobiological studies of hot spring deposits for ancient earth environment reconstruction.
Project/Area Number |
22740331
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Single-year Grants |
Research Field |
Geology
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Research Institution | Saga University |
Principal Investigator |
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Project Period (FY) |
2010 – 2012
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Keywords | トラバーチン / 鉄沈殿物 / マンガン酸化物 / 微生物 / 縞状鉄鉱層 |
Research Abstract |
This study focuses on water-mineral-bacteria interaction on carbonate-rich hot spring, sulfur-rich hot spring and Mn-containing cold spring. First, relationship among flow rate, texture and bacterial distribution was cleared in carbonate sediment (travertine).Cyanobacterial metabolic activates on iron-rich deposit surface were observed with microelectrode profiles. In sulfur-rich hot spring, metabolism of sulfur oxidizing bacteria changed water chemical properties. Mn oxides in cold spring were precipitated by iron oxidizing bacteria.
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Research Products
(12 results)
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[Journal Article] Textural transition in an aragonite travertine formed under various flow conditions at Pancuran Pitu, Central Java, Indonesia2012
Author(s)
Okumura, T., Takashima, C., Shiraishi, F., Akmaluddin, Kano, A
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Journal Title
Sedimentary Geology
Volume: 265-266
Pages: 195-209
DOI
Peer Reviewed
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[Journal Article] Bacterial symbiosis forming laminated iron-rich deposits in Okuoku-hachikurou hot spring, Akita Prefecture, Japan2011
Author(s)
Takashima, C., Okumura, T., Nishida, S., Koike, H. and Kano, A
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Journal Title
Island Arc
Volume: 20
Pages: 294-304
Peer Reviewed
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[Journal Article] Microbial control to lamina formation in a travertine at Crystal Geyser, Utah. In: Reitner, J., Queric, N.-V. and Arp, G. (eds.) Advances in Stromatolite Geobiology.2011
Author(s)
Takashima, C., Okumura, T., Nishida, S., Koike, H. and Kano, A.
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Journal Title
Lecture Notes in Earth Science
Volume: 131
Pages: 123-133
Peer Reviewed
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[Journal Article] Processes forming daily lamination in a microbe-rich travertine under low flow condition at the Nagano-yu Hot Spring, Southwestern Japan
Author(s)
Okumura, T., Takashima, C., Shiraishi, F., Nishida, S., Kano, A
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Journal Title
Peer Reviewed
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