What is it about?
Hydration and carbonation are the main reactions that drive volatile cycles in the Earth. Yet, the mechanisms that control acceleration or deceleration of these reactions remain largely unknown. We present here clear experimental evidence that hydration reactions can fracture rocks and promote further fluid flow and reactions under confining pressure (i.e., at simulated depth).
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Why is it important?
Based on the experimental results and non-dimensional parameterization, we propose that the ratio of the initial fluid-flow rate to the reaction rate has a primary control on the self-acceleration and deceleration of fluid flow and reactions during hydration and carbonation within the Earth.
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This page is a summary of: Volatile-consuming reactions fracture rocks and self-accelerate fluid flow in the lithosphere, Proceedings of the National Academy of Sciences, January 2022, Proceedings of the National Academy of Sciences,
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