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Geothermal Energy

Science – Society – Technology

Table 4 Heat generation rate of common rock lithologies from literature

From: Geothermal resource assessment of remote sedimentary basins with sparse data: lessons learned from Anticosti Island, Canada

Lithology

Heat generation rate (µW m−3)

Q25

Median

Q75

Shale

2.053

2.874

3.887

Iron-rich calcareous shale

0.914

1.424

2.268

Iron-rich shale

1.144

1.711

2.494

Quartz arenite

0.089

0.314

0.723

Dolomite

0.387

0.777

1.632

Limestone

0.223

0.563

1.590

  1. Q25 and Q75 are the first and third quartiles of samples analyzed
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