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Geothermal Energy

Science – Society – Technology

Fig. 8 | Geothermal Energy

Fig. 8

From: Permeability anisotropy in sandstones from the Soultz-sous-Forêts geothermal reservoir (France): implications for large-scale fluid flow modelling

Fig. 8

Histograms showing relative grain area as a function of equivalent grain diameter for each of the seven cores investigated in this study (shown in Fig. 3). a Sample 176. b Sample 189. c Sample 190. d Sample 254. e Sample 257. f Sample 285. g Sample 356. The orange bars show the grain area distribution in the laminations and the shaded bars show the grain area distribution in the host-rock

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