Thermal Property of Granite in Deep Strata and Its Effect on Thermal Zone of Surrounding Rock

Table 2

Thermal conductivity of different mineral compositions.

Thermal conductivity	Quartz	Potassium feldspar	Plagioclase	Black mica
W/(m·K)	7.69	2.37	1.87	2.51
Thermal conductivity	Calcite	Dolomite	White mica	Hornblende
W/(m·K)	3.59	4.70	2.05	2.54
Thermal conductivity	Alkali feldspar	Rock salt
W/(m·K)	2.30	5.60