Geology Reference
In-Depth Information
Table 8.4.
Examples of solid mineral elastic properties (after Simmons and Wang,
1971
).
Bulk modulus
(GPa)
Density
(g/cc)
Shear modulus
(GPa)
Young
'
s
modulus (GPa)
V
p
(km/s)
V
s
(km/s)
Poisson
'
s
ratio
Quartz
36.6
2.65
45.0
95.8
6.038
4.121
0.064
Chert
26.0
2.35
32.0
67.7
5.400
3.700
0.058
Calcite
76.8
2.71
32.0
84.3
6.640
3.436
0.317
Dolomite
94.9
2.87
45.0
116.6
7.347
3.960
0.295
Aragonite
47.0
2.94
39.0
92.6
5.800
3.600
0.187
Magnesite
114.0
3.01
68.0
169.7
8.200
4.750
0.247
Na-
Felspar
55.0
2.62
28.0
71.3
5.900
3.300
0.272
K-Felspar
48.0
2.56
24.0
61.9
5.600
3.050
0.289
Ca-
Felspar
85.0
2.73
38.0
99.0
7.050
3.750
0.303
Clays
(approx)
41.0
2.68
17.0
45.0
4.900
2.500
0.324
Muscovite
52.0
2.82
31.5
78.7
5.800
3.350
0.250
Biotite
50.0
3.00
27.5
70.2
5.400
3.000
0.277
Halite
25.2
2.16
15.3
38.3
4.600
2.650
0.252
Anhydrite
66.5
3.00
34.0
87.0
6.150
3.400
0.280
Gypsum
58.0
2.31
30.0
77.1
6.750
3.700
0.285
Pyrite
158.0
5.02
149.0
338.7
8.400
5.450
0.137
a)
b)
90
180
80
160
70
140
illite-smectite
montmorilonite
kaolinite
chlorite
misc
60
120
50
100
40
80
30
60
20
40
10
20
0
0
0
50
100
150
200
0
2.2
2.4
2.6
2.8
3
bulk modulus (GPa)
density (g/cc)
165
Figure 8.20
Dry clay elastic parameters (after Wang et al.,
2001
).
