Articles | Volume 9, issue 3
Research article
29 May 2018
Research article |  | 29 May 2018

Permeability and seismic velocity anisotropy across a ductile–brittle fault zone in crystalline rock

Quinn C. Wenning, Claudio Madonna, Antoine de Haller, and Jean-Pierre Burg

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Cited articles

Allen, M., Tatham, D., Faulkner, D., Mariani, E., and Boulton, C.: Permeability and seismic velocity and their anisotropy across the Alpine Fault, New Zealand: an insight from laboratory measurements on core from the Deep Fault Drilling Project phase 1 (DFDP-1), J. Geophys. Res.-Solid Earth, 122, 6160–6179,, 2017.
Almqvist, B. S. and Mainprice, D.: Seismic properties and anisotropy of the continental crust: Predictions based on mineral texture and rock microstructure, Rev. Geophys., 55, 367–433,, 2017.
Amann, F., Gischig, V., Evans, K., Doetsch, J., Jalali, R., Valley, B., Krietsch, H., Dutler, N., Villiger, L., Brixel, B., Klepikova, M., Kittilä, A., Madonna, C., Wiemer, S., Saar, M. O., Loew, S., Driesner, T., Maurer, H., and Giardini, D.: The seismo-hydromechanical behavior during deep geothermal reservoir stimulations: open questions tackled in a decameter-scale in situ stimulation experiment, Solid Earth, 9, 115–137,, 2018.
Barton, C. C., Larsen, E., Page, W., and Howard, T.: Characterizing fractured rock for fluid-flow, geomechanical, and paleostress modeling: Methods and preliminary results from Yucca Mountain, Nevada, Report, Geological Survey, Denver, CO, USA, 1–62, 1993.
Baud, P., Louis, L., David, C., Rawling, G. C., and Wong, T.-F.: Effects of bedding and foliation on mechanical anisotropy, damage evolution and failure mode, Geological Society, London, Special Publications, 245, 223–249, 2005.
Short summary
We measured the elastic and fluid flow properties in a ductile-brittle shear zone. The results suggest that although brittle deformation has persisted in the recent fault evolution, precursory ductile microstructure continues to control the petrophysical properties outside the fault core. The results are a glimpse into the evolutionary path of a shear zone during the ductile to brittle transition and are insightful for geothermal energy and geologic waste disposal exploitation and usage.