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Table 1 Results of thermal conductivity of rocks in Kuqa River profile

From: The application of thermal conductivity measurements to the Kuqa River profile, China, and implications for petrochemical generation

Stratum Spot Rock type Thermal conductivity Thermal diffusivity Heat capacity
(W/mK) (mm2/s) (MJ/m3K)
E1-2km 1 bottom glutenite 2.034 1.208 1.684
2 bottom gypsum 0.577 1.314 0.439
3 bottom gypsum 0.436 0.395 1.103
4 bottom sandstone 1.180 0.816 1.446
5 lower sandstone 1.992 0.929 2.144
6 lower-middle gypsum 0.614 0.527 1.166
7 lower-middle sandstone 2.544 1.391 1.829
8 middle sandstone 2.303 1.234 1.866
9 middle gypsum gravel 0.998 0.587 0.701
10 middle gypsum 0.964 0.561 1.717
11 middle including gypsum sandstone 0.873 0.756 1.155
12 middle-upper sandstone 2.091 1.086 1.925