Articles | Volume 10, issue 1
https://doi.org/10.5194/se-10-251-2019
https://doi.org/10.5194/se-10-251-2019
Research article
 | 
04 Feb 2019
Research article |  | 04 Feb 2019

Granite microporosity changes due to fracturing and alteration: secondary mineral phases as proxies for porosity and permeability estimation

Martin Staněk and Yves Géraud

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Short summary
Granite is suitable to host geothermal wells or disposals of hazardous waste and in these cases the rock porosity and permeability are critical. Our detailed porosity and permeability data on variously deformed Lipnice granite yield a span of 5 orders of magnitude in permeability between the least and the most deformed facies. To facilitate the estimation of porosity and permeability in similar settings, we provide optical and chemical data on the characteristic minerals of each facies.