Silicate dissolution boosts the CO2 concentrations in subduction fluids

Current estimates of dissolved CO2 in subduction-zone fluids based on thermodynamic models rely on a very sparse experimental data base. Here, the authors show that experimental graphite-saturated COH fluids interacting with silicates at 1–3 GPa and 800 °C display unpredictably high CO2 contents....

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Autores principales: S. Tumiati, C. Tiraboschi, D. A. Sverjensky, T. Pettke, S. Recchia, P. Ulmer, F. Miozzi, S. Poli
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/0ed4d5db145c48af9684f6871b3beba3
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Sumario:Current estimates of dissolved CO2 in subduction-zone fluids based on thermodynamic models rely on a very sparse experimental data base. Here, the authors show that experimental graphite-saturated COH fluids interacting with silicates at 1–3 GPa and 800 °C display unpredictably high CO2 contents.