Zobrazeno 1 - 10
of 402
pro vyhledávání: '"Biogenic magnetite"'
Akademický článek
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Autor:
Toshitsugu Yamazaki
Publikováno v:
Earth, Planets and Space, Vol 72, Iss 1, Pp 1-9 (2020)
Abstract Reductive dissolution of magnetite is known to occur below the Fe-redox boundary in sediments. In this study, detailed processes associated with biogenic magnetite dissolution are documented. A sediment core from the Japan Sea was used for t
Externí odkaz:
https://doaj.org/article/5aabcda444fd4356a6999d00274d1324
Publikováno v:
Earth, Planets and Space, Vol 72, Iss 1, Pp 1-15 (2020)
Abstract Red clay widely occupies the seafloor of pelagic environments in middle latitudes, and potentially preserves long paleoceanographic records. We conducted a rock-magnetic study of Pacific Ocean red clay to elucidate paleoenvironmental changes
Externí odkaz:
https://doaj.org/article/dcfe5f3c02014abebf6cd8cfe0ba52a6
Autor:
Wanzhang Wang, Tilo von Dobeneck, Thomas Frederichs, Yang Zhang, Lester Lembke-Jene, Ralf Tiedemann, Michael Winklhofer, Dirk Nürnberg
Publikováno v:
Frontiers in Earth Science, Vol 9 (2021)
Non-carbonaceous abyssal fine-grained sediments cover vast parts of the North Pacific’s deep oceanic basins and gain increasing interests as glacial carbon traps. They are, however, difficult to date at an orbital-scale temporal resolution and stil
Externí odkaz:
https://doaj.org/article/bda4f6cc14c047d1b58c69b1c08c4ea3
Autor:
Yoichi Usui, Toshitsugu Yamazaki
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 22, Iss 7, Pp n/a-n/a (2021)
Abstract Magnetic detection and classification of magnetofossils have been proposed as potential tools for paleoenvironmental studies. Magnetosomes in bacterial species living in different environmental conditions exhibit different grain morphologies
Externí odkaz:
https://doaj.org/article/a4b4e35f82cc47d384d3c05cd6f5259e
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America, 2018 May . 115(21), 5383-5388.
Externí odkaz:
https://www.jstor.org/stable/26509830
Autor:
Sergey N. Gavrilov, Daria G. Zavarzina, Ivan M. Elizarov, Tamara V. Tikhonova, Natalia I. Dergousova, Vladimir O. Popov, Jonathan R. Lloyd, David Knight, Mohamed Y. El-Naggar, Sahand Pirbadian, Kar Man Leung, Frank T. Robb, Maksim V. Zakhartsev, Orianna Bretschger, Elizaveta A. Bonch-Osmolovskaya
Publikováno v:
Frontiers in Microbiology, Vol 11 (2021)
Biogenic transformation of Fe minerals, associated with extracellular electron transfer (EET), allows microorganisms to exploit high-potential refractory electron acceptors for energy generation. EET-capable thermophiles are dominated by hyperthermop
Externí odkaz:
https://doaj.org/article/0c2e22f61c2842648ffa9b7c78f15267
Akademický článek
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Autor:
Tongwei Zhang, Yongxin Pan
Publikováno v:
Earth, Planets and Space, Vol 70, Iss 1, Pp 1-13 (2018)
Abstract Four samples containing ultrafine- and fine-grained magnetite of magnetoferritins and magnetotactic bacteria cells were magnetically characterized at both room and low temperatures. Transmission electron microscopy analysis showed that the b
Externí odkaz:
https://doaj.org/article/f16957f5ae9941eab2d4c9b2f03c3fe5
Autor:
Maher, Barbara A.
Publikováno v:
Proceedings: Biological Sciences, 1998 Apr . 265(1397), 733-737.
Externí odkaz:
https://www.jstor.org/stable/50947