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Table 2 Summary of high heat production (HP) by area across five granite outcrops using two thresholds of heat production

From: The Cornubian geothermal province: heat production and flow in SW England: estimates from boreholes and airborne gamma-ray measurements

Granite

Outcrop area (km2)

Area with HP > 5 μW m−3 (km2)

Area with HP > 6 μW m−3 (km2)

% of total outcrop area with HP > 6 μW m−3 (%)

Land’s End

180.69

72.32

16.33

9

Carnmenellis

138.53

32.34

1.83

1

St. Austell

91.27

21.42

4.63

5

Bodmin

203.16

25.85

4.32

2

Dartmoor

624.58

225.62

137.53

22