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Phase Relations in the Basalt-CO2 System at High Pressure and Temperature : Implication to the Carbon Recycling in the Earth's Interior

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Title: Phase Relations in the Basalt-CO2 System at High Pressure and Temperature : Implication to the Carbon Recycling in the Earth's Interior
Authors: Takafuji, Naoto Browse this author
Fujino, Kiyoshi Browse this author
Keywords: High pressure
Magnesite
Recycling of carbon
Issue Date: 2004
Publisher: Graduate School of Science, Hokkaido University
Citation: Edited by Shunsuke F. Mawatari, Hisatake Okada.
Journal Title: Neo-Science of Natural History: Integration of Geoscience and Biodiversity Studies : Proceedings of International Symposium on "Dawn of a New Natural History - Integration of Geoscience and Biodiversity Studies" March 5-6, 2004, Sapporo
Start Page: 159
End Page: 161
Abstract: The decarbonation reaction MgCO3 (magnesite) + Si02 (stishovite) → MgSiO3 (perovskite) + CO2 has been examined experimentally at 32 GPa and 2000-2300 K (corresponding to 870 km depth in the mantle) in a laser-heated diamond anvil cell. This reaction takes place as a candidate for decarbonation of the subducting mid ocean ridge basalts in the Earth's lower mantle. Release of CO2 from the subducting slab into the mantle peridotite would form carbonates in the Earth's lower mantle.
Description: International Symposium on "Dawn of a New Natural History - Integration of Geoscience and Biodiversity Studies". 5-6 March 2004. Sapporo, Japan.
Conference Name: International Symposium on "Dawn of a New Natural History : Integration of Geoscience and Biodiversity Studies"
Conference Place: Sapporo
Type: proceedings
URI: http://hdl.handle.net/2115/38522
Appears in Collections:Neo-Science of Natural History : Integration of Geoscience and Biodiversity Studies > Proceedings

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