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Geothermal Energy

Science – Society – Technology

Fig. 10 | Geothermal Energy

Fig. 10

From: Microstructural and petrophysical properties of the Permo-Triassic sandstones (Buntsandstein) from the Soultz-sous-Forêts geothermal site (France)

Fig. 10

Backscattered scanning electron microscope (BSE) images highlighting the alteration within the second six (from boxes 347, 402, 453, 497, 508, and 540) sandstones sampled from exploration well EPS-1 at Soultz-sous-Forêts (Alsace, France). a, b Sample 347, c, d sample 402, e, f sample 453, g, h sample 497, i , j sample 508, k, l sample 540. c clay, b barite, Fe iron oxide, d dolomite. Each image is labelled with the box number, unit name, and sample depth

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