Table 1 Rock parameters used in the numerical model

From: The effect of temperature on the development of surface deterioration on the petroglyph-bearing rocks with black crust

Rock unit

Density (kg/m3)

Elastic modulus (GPa)

Poisson’s ratio

Thermal conductivity W/(m·K)

Specific heat J/ (kg·K)

Thermal expansivity

Black crust

2000

20

0.25

1.73

1140

9.64

Weak interlayer

1800

6

0.25

1.12

1070

6.67

Fresh bedrock

2500

52

0.25

4.37

1150

9.96

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