Rates and Mechanisms of Mineral Carbonation in Peridotite: Natural Processes and Recipes for Enhanced, in situ CO <sub>2</sub> Capture and Storage

Kelemen, Peter B. and Matter, Juerg and Streit, Elisabeth E. and Rudge, John F. and Curry, William B. and Blusztajn, Jerzy (2011) Rates and Mechanisms of Mineral Carbonation in Peridotite: Natural Processes and Recipes for Enhanced, in situ CO <sub>2</sub> Capture and Storage. Annual Review of Earth and Planetary Sciences, 39 (1). pp. 545-576. ISSN 0084-6597 DOI 10.1146/annurev-earth-092010-152509

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Abstract

Near-surface reaction of CO2-bearing fluids with silicate minerals in peridotite and basalt forms solid carbonate minerals. Such processes form abundant veins and travertine deposits, particularly in association with tectonically exposed mantle peridotite. This is important in the global carbon cycle, in weathering, and in understanding physical-chemical interaction during retrograde metamorphism. Enhancing the rate of such reactions is a proposed method for geologic CO2 storage, and perhaps for direct capture of CO2 from near-surface fluids. We review, synthesize, and extend inferences from a variety of sources. We include data from studies on natural peridotite carbonation processes, carbonation kinetics, feedback between permeability and volume change via reaction-driven cracking, and proposed methods for enhancing the rate of natural mineral carbonation via in situ processes ("at the outcrop") rather than ex situ processes ("at the smokestack").

Item Type: Article
Uncontrolled Keywords: 2011AREP; IA63;
Subjects: 02 - Geodynamics, Geophysics and Tectonics
Divisions: 02 - Geodynamics, Geophysics and Tectonics
Journal or Publication Title: Annual Review of Earth and Planetary Sciences
Volume: 39
Page Range: pp. 545-576
Identification Number: 10.1146/annurev-earth-092010-152509
Depositing User: Sarah Humbert
Date Deposited: 12 Aug 2011 16:25
Last Modified: 23 Jul 2013 10:02
URI: http://eprints.esc.cam.ac.uk/id/eprint/2163

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