Carbonation and Decarbonation Reactions: Implications for Planetary Habitability
Abstract:The geologic carbon cycle plays a fundamental role in controlling Earth's climate and habitability. For billions of years, stabilizing feedbacks inherent in the cycle have maintained a surface environment that could sustain life. Carbonation / decarbonation reactions are the primary mechanism for transferring carbon between the solid Earth and the ocean-atmosphere system. These processes can be broadly represented by the reaction: CaSiO3 (wollastonite) + CO2 (gas) CaCO3 (calcite) + SiO2 (quartz). This class … Show more
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