Variation of some elastic constants (in 10^6 bars) with rock type and confining pressure


Variation of some elastic constants (in 10^6 bars) with rock type and confining pressure

Table
Variation of some elastic constants (in 106 bars) with rock type and confining pressure
at pressure = 1 bar
rock type bulk modulus Young's modulus shear modulus Poisson's ratio
granite   0.1 0.3   0.2 0.05
gabbro   0.3 0.9   0.6   0.1
dunite   1.1 1.5   0.5   0.3
obsidian   0.4 0.7   0.3 0.08
basalt   0.5 0.8   0.3 0.23
gneiss   0.1 0.2   0.1 0.05
marble   0.1 0.4   0.2   0.1
quartzite
sandstone 0.07 0.2 0.08   0.1
shale 0.04 0.1 0.05 0.04
limestone   0.8 0.6   0.2   0.3
at pressure = 3,000 bars
rock type bulk modulus Young's modulus shear modulus Poisson's ratio
granite 0.5 0.6 0.4 0.25
gabbro 0.9 0.8 0.5   0.2
dunite 1.2 1.7 0.7 0.27
obsidian
basalt 0.8 1.2 0.4 0.25
gneiss 0.5 0.7 0.3
marble 0.8 0.7 0.3   0.3
quartzite 0.5 1.0 0.4 0.07
sandstone
shale
limestone
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Universalium. 2010.

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