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Permeability evolution in quartz fault gouges under hydrothermal conditions

Giger, Silvio; Tenthorey, Eric; Cox, Stephen; Fitz Gerald, John


The permeability (k) of fine-grained quartz aggregates were measured in situ during hot pressing (HPing) experiments to explore the evolution of fluid transport properties of fault zones during the interseismic period. Experiments were conducted at temperatures of 150°C and between 700 and 850°C, with confining and pore water pressures of 250 and 150 MPa, respectively. Significant permeability reduction was observed between 700 and 850°C, with permeability reduction rates (r = (1/t) In...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Journal of Geophysical Research
DOI: 10.1029/2006JB004828


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