Publications

2017
[12] Farquharson, J. I., F.B. Wadsworth, M. J. Heap, and P. Baud. Time-dependent permeability evolution in compacting volcanic fracture systems and implications for gas overpressure. Journal of Volcanology and Geothermal Research. Accepted.

[11] Farquharson, J. I., P. Baud, and M. J. Heap. Inelastic compaction and permeability evolution in volcanic rock. Solid Earth, 8, 561-581, doi:10.5194/se-8-561-2017 [Open Access]

2016
[10] Heap, M.J., B.M. Kennedy, J. I. Farquharson,, J. Ashworth, K. Mayer, M. Letham-Brake, T. Reuschlé, H.A. Gilg, B. Scheu, Y. Lavallée, P. Siratovich, J. Cole, A.D. Jolly, P. Baud, and D.B. Dingwell. A multidisciplinary approach to quantify the permeability of the Whakaari/White Island volcanic hydrothermal system (Taupo Volcanic Zone, New Zealand). Journal of Volcanology and Geothermal Research, DOI: 10.1016/j.jvolgeores.2016.12.004. [pdf]

[9] Farquharson, J. I., M. J. Heap, and P. Baud. Strain-induced permeability increase in volcanic rock. Geophysical Research Letters, doi: 10.1002/2016GL071540. [pdf]

[8] Farquharson, J. I., M. J. Heap, Y. Lavallée, N. R. Varley, P. Baud. Evidence for the development of permeability anisotropy in lava domes and volcanic conduits. Journal of Volcanology and Geothermal Research, 323, pp.163-185. [pdf]

[7] Farquharson, J. I., M. J. Heap, P. Baud, T. Reuschlé, N. R. Varley. Pore pressure embrittlement in a volcanic edifice. Bulletin of Volcanology, 78(6). [pdf] [Figure 5, high-resolution]

2015
[6] Farquharson, J. I., M. James, H. Tuffen, 2015. Examining rhyolite lava flow dynamics through photo-based 3D reconstructions of the 2011-2012 lava flowfield at Cordón-Caulle, Chile. Journal of Volcanology and Geothermal Research. 304, 336–348. [pdf]

[5] Heap, M. J., J. I. Farquharson, F. B. Wadsworth, S. Kolzenburg, and J. K. Russell, 2015. Timescales for permeability reduction and strength recovery in densifying magma. Earth and Planetary Science Letters, DOI: 10.1016/j.epsl.2015.07.053. [pdf]

[4] Heap, M. J., J. I. Farquharson, P. Baud, Y. Lavallée, and T. Reuschlé, 2015. Fracture and compaction of andesite in a volcanic edifice. Bulletin of Volcanology. 77: 55. DOI: 10.1007/s00445-015-0938-7. [Open access]

[3] Farquharson, J. I., M. J. Heap, N. Varley, P. Baud, and T. Reuschlé, 2015. Permeability and porosity relationships of edifice-forming andesites: A combined field and laboratory study. Journal of Volcanology and Geothermal Research. 297, 52-68. [pdf]

[2] Heap, M. J., B. Kennedy, N. Perrin, L. Jacquemard, P. Baud, J. I. Farquharson, B. Scheu, Y. Lavallée, H. A. Gilg, M. Letham-Brake, K. Mayer, A. D. Jolly, T. Reuschlé, and D. B. Dingwell, 2015. Mechanical behaviour and failure modes in the Whakaari (White Island volcano) hydrothermal system, New Zealand. Journal of Volcanology and Geothermal Research. DOI: 10.1016/j.jvolgeores.2015.02.012. [Open access]

2014
[1] Heap, M. J., S. Kolzenburg, J. K. Russell, M. E. Campbell, J. Welles, J. I. Farquharson, A. Ryan, 2014. Conditions and timescales for welding block-and-ash flow deposits. Journal of Volcanology and Geothermal Research. 289, 202-209. [pdf]