Alterations of Fractures in Carbonate Rocks by CO2-Acidified Brines.


Fractures in geological formations may enable migration of environmentally relevant fluids, as in leakage of CO2 through caprocks in geologic carbon sequestration. We investigated geochemically induced alterations of fracture geometry in Indiana Limestone specimens. Experiments were the first of their kind, with periodic high-resolution imaging using X-ray… (More)
DOI: 10.1021/acs.est.5b01980

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