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Table 1 Typical rock properties according to: (1) Magnenet et al. (2014); (2) Kohl (2000); (3) GeORG); (4) Bar (2012); (5) Rummel (1992); (6) Haenel (1983); (7) Freymark et al. (2017); (8) Kirk and Williamson (2012); (9) Sausse (2002); (10) Heap et al. (2017); (11) Griffiths et al. (2016); (12) Hettkamp et al. (1999)

From: THM modeling of hydrothermal circulation at Rittershoffen geothermal site, France

Property (unit)

Upper sediments

Lower sediments

Upper granites

Lower granites

Porosity, \(\phi _o\) (\(\%\))

3.0\(^{[1]}\)–35.0\(^{[1]}\)

2.9\(^{[10]}\)–20.7\(^{[11]}\)

0.13\(^{[3]}\)–25.55\(^{[3]}\)

0.13\(^{[3]}\)–0.8\(^{[1]}\)

Total specific mass, \(r_0\) (kg m\(^{-3}\))

2300\(^{[1]}\)–2600\(^{[1]}\)

2180\(^{[4]}\)–2660\(^{[7]}\)

2500\(^{[1]}\)–2800\(^{[1]}\)

2650\(^{[6]}\)–2800\(^{[6]}\)

Young’s modulus, E (GPa)

10.0\(^{[1]}\)–90.0\(^{[1]}\)

8.0\(^{[1]}\)–39.0\(^{[5]}\)

25.0\(^{[9]}\)–80.0\(^{[5]}\)

25.0\(^{[9]}\)–80.0\(^{[5]}\)

Poisson’s ratio, \(\nu\) (–)

0.1\(^{[9]}\)–0.33\(^{[1]}\)

0.06\(^{[1]}\)–0.46\(^{[1]}\)

0.1\(^{[9]}\)–0.38\(^{[5]}\)

0.1\(^{[9]}\)–0.38\(^{[5]}\)

Biot coefficient, b (–)

0.65\(^{[1]}\)–0.8\(^{[1]}\)

0.8\(^{[1]}\)–1.0\(^{[1]}\)

0.27\(^{[1]}\)–0.45\(^{[1]}\)

0.27\(^{[1]}\)–0.45\(^{[1]}\)

Specific heat, \(c_s\) (J kg\(^{-1}\) K\(^{-1}\))

800\(^{[1]}\)

800\(^{[1]}\)

800\(^{[1]}\)

800\(^{[1]}\)

Thermal conductivity, \(\lambda _{d}\) (W m\(^{-1}\) K\(^{-1}\))

1.1\(^{[3]}\)–5.9\(^{[3]}\)

1.2\(^{[3]}\)–4.2\(^{[3]}\)

2.3\(^{[3]}\)–4.3\(^{[3]}\)

2.3\(^{[3]}\)–4.3\(^{[3]}\)

Thermal dilation, \(\alpha _0\) (10\(^{-5}\) K\(^{-1}\))

1.3\(^{[8]}\)–1.5\(^{[8]}\)

1.3\(^{[8]}\)–1.5\(^{[8]}\)

1.4\(^{,[1]}\)

1.4\(^{[1]}\)

Heat source production, \(\theta _{\text{rad}}\) (\(\upmu\)W m\(^{-3}\))

0.1\(^{[2]}\)–1.0\(^{[3]}\)

0.5\(^{[1]}\)–1.0\(^{[3]}\)

1.0\(^{[6]}\)–6.2\(^{[5]}\)

1.0\(^{[6]}\)–6.2\(^{[5]}\)

Permeability, \(K_{\text{int}}\) (m\(^2\))

\(1.0\times 10^{-18^{[4]}}\)\(3.2\times 10^{-14^{[4]}}\)

\(1.0\times 10^{-18^{[11]}}\)\(1.0\times 10^{-13^{[10]}}\)

\(1.0\times 10^{-20^{[12]}}\)\(3.0\times 10^{-14^{[12]}}\)

\(1.0\times 10^{-20^{[12]}}\)\(1.8\times 10^{-15^{[3]}}\)