Fig. 7From: Estimating in situ rock mass strength and elastic modulus of granite from the Soultz-sous-Forêts geothermal reservoir (France)Triaxial, uniaxial and indirect tensile data and Hoek–Brown failure criterion model fits for the samples from 1558 m depth, showing the fits for samples with and without visible phenocrysts as well as for all samples combinedBack to article page