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Geothermal Energy

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Table 1 Mineral composition of the two sandstone variations Pfinztal Sandstone and Tennenbach Sandstone used in the triaxial tests (Schmidt et al. 2017)

From: Triaxial testing and hydraulic–mechanical modeling of sandstone reservoir rock in the Upper Rhine Graben

In vol (%)

Pfinztal Sandstone

Tennenbach Sandstone

Quartz

49

83

K-feldspar

16

2

Muscovite

11

0

Cementation

15

5

Accessories

1

1

Pore space

8

9

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