Estimate of atmospheric oxygen rise in the Paleoproterozoic : Fe behavior under very low oxygen conditions
Estimate of atmospheric oxygen rise in the Paleoproterozoic : Fe behavior under very low oxygen conditions
批准号:
21340157
负责人:
MURAKAMI Takashi
金额:
$11.48万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011
中文摘要
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英文摘要
Because weathering is a mineral-water-atmosphere interaction, a weathering profile retains records of atmospheric oxygen level at the time of weathering. Especially, the Fe concentration in a weathering profile reflects an atmospheric oxygen level. Mineral dissolution and Fe oxidation experiment under low O^2 conditions, analysis of paleosols(ancient weathering profiles) and weathering model reveal that the atmospheric oxygen level changed from<10^<-6> to> 10^<-3> atm between 2. 5 and 2. 0 billion years ago. This increase would have affected ocean chemistry and life evolution.
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Olivineの溶解によるFeの再分配と酸素分圧の関係
橄榄石溶解引起的 Fe 再分布与氧分压的关系
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[Ozawa, K, 杉森博和・村上隆]
通讯作者:
杉森博和・村上隆
風化モデルによる大氷河期時代の大気酸素レベルの考察
使用风化模型考虑大冰河时期的大气氧含量
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Sze Ling Ho, M.Yamamoto, G.Mollenhauer, M.Minagawa, 上田聡美, 村上隆・菅崎良貴]
通讯作者:
村上隆・菅崎良貴
極低酸素条件下における溶存Fe(II)の酸化-速度、機構とその適用
极低氧条件下溶解的 Fe(II) 的氧化——速率、机理及其应用
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Ohtsuka K., Abe S., Ito T., Nakamura T., et al, 林謙一郎, 小木曽哲, 川本竜彦, 安井真 也・萩原秀美・高橋正樹, 菅崎良貴・村上隆]
通讯作者:
菅崎良貴・村上隆
低酸素条件下での鉱物の溶解速度とFeの酸化速度
缺氧条件下矿物溶解速率和Fe氧化速率
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[Kogiso, T., K.Suzuki, T.Suzuki, K.K.Uesugi, 村上隆]
通讯作者:
村上隆
Precipitation and alteration of coffinite (USiO4·nH 2O) in the presence of apatite
磷灰石存在下咖啡石(USSiO4·nH 2O)的沉淀和蚀变
DOI:
10.1127/0935-1221/2010/0022-1990
发表时间:
2010
期刊:
European Journal of Mineralogy
影响因子:
2.1
作者:
[A. Deditius, A. Deditius, S. Utsunomiya, V. Pointeau, R. Ewing]
通讯作者:
R. Ewing
共 23 条
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Understanding between the histone-chromatin modification and the possible augmentation of therapeutic sensitivity for malignant melanoma
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Development of medical treatment for sperm centrosomal dysfunction
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Oxidation rate of Fe and dissolution of biotite : Relationship between atmospheric oxygen evolution and mineral weathering under low oxygen conditions
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Is stem cell present in human endometrium?
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Interdisciplinary Studies on Oil Spill Prevention in the Okhotsk Sea
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A study of psychological and educational measurement for introducing test equating into official examinations in Japan
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