Experimental Modeling of C0-Forming Processes Involving Cohenite and CO2-Fluid in a Silicate Mantle
- 作者: Bataleva Y.1,2, Palyanov Y.1,2, Borzdov Y.1,2, Bayukov O.3, Sobolev N.1,2
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隶属关系:
- Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences
- Novosibirsk State University
- Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences
- 期: 卷 483, 编号 1 (2018)
- 页面: 1427-1430
- 栏目: Geochemistry
- URL: https://journals.rcsi.science/1028-334X/article/view/194327
- DOI: https://doi.org/10.1134/S1028334X18110016
- ID: 194327
如何引用文章
详细
Experimental studies were performed in the Fe3C–SiO2–(Mg,Ca)CO3 system (6.3 GPа, 1100–1500°C, 20–40 h). It is established that the carbide–oxide–carbonate interaction leads to the formation of ferrosilite, fayalite, graphite, and cohenite (1100 and 1200°С), as well as a Fe–C melt (1300°С). It is determined that the main processes in the system are decarbonation, redox-reactions of cohenite and a CO2-fluid, extraction of carbon from carbide, and crystallization of metastable graphite (± diamond growth), as well as the formation of ferriferous silicates. The interaction studied can be considered as a simplified model of the processes that occur during the subduction of oxidized crustal material to reduced mantle rocks.
作者简介
Yu. Bataleva
Sobolev Institute of Geology and Mineralogy,Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
编辑信件的主要联系方式.
Email: bataleva@igm.nsc.ru
俄罗斯联邦,
Novosibirsk, 630090; Novosibirsk, 630090
Yu. Palyanov
Sobolev Institute of Geology and Mineralogy,Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: bataleva@igm.nsc.ru
俄罗斯联邦,
Novosibirsk, 630090; Novosibirsk, 630090
Yu. Borzdov
Sobolev Institute of Geology and Mineralogy,Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: bataleva@igm.nsc.ru
俄罗斯联邦,
Novosibirsk, 630090; Novosibirsk, 630090
O. Bayukov
Kirensky Institute of Physics, Siberian Branch,Russian Academy of Sciences
Email: bataleva@igm.nsc.ru
俄罗斯联邦, Krasnoyarsk, 660036
N. Sobolev
Sobolev Institute of Geology and Mineralogy,Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: bataleva@igm.nsc.ru
俄罗斯联邦,
Novosibirsk, 630090; Novosibirsk, 630090