Elastic properties of Forsterite (Mg2SiO4)

 

Pressure

Round-trip Travel Time

tp ts

Density

 

Length

 

Vp

Vs

Ks

G

(GPa)

(msec)

(msec)

(g/cm3)

(mm)

(km/sec)

(km/sec)

(GPa)

(GPa)

0.00

0.5710

0.9775

3.203

2.440

8.546

4.992

127.5

79.8

1.21

0.5636

0.9688

3.233

2.432

8.629

5.020

132.1

81.4

2.46

0.5526

0.9581

3.266

2.424

8.771

5.059

139.8

83.5

3.63

0.5446

0.9485

3.296

2.416

8.873

5.094

145.4

85.5

4.74

0.5376

0.9402

3.323

2.410

8.964

5.125

150.5

87.3

5.77

0.5316

0.9327

3.348

2.404

9.042

5.154

155.1

88.9

6.74

0.5266

0.9268

3.370

2.398

9.108

5.175

159.2

90.2

7.63

0.5216

0.9216

3.391

2.393

9.176

5.194

163.5

91.4

8.45

0.5176

0.9170

3.409

2.389

9.231

5.210

167.1

92.5

9.20

0.5136

0.9130

3.426

2.385

9.287

5.224

170.8

93.5

9.88

0.5106

0.9099

3.441

2.382

9.328

5.234

173.7

94.2

11.02

0.5056

0.9052

3.466

2.376

9.398

5.249

178.7

95.5

11.88

0.5021

0.9012

3.484

2.372

9.447

5.264

182.2

96.5

12.50

0.4991

0.8984

3.497

2.369

9.492

5.274

185.4

97.2

 

Reference

P range

(GPa)

K0 (GPa)

K0'

G0

(GPa)

G0'

Li et al. (1998)

 

12.5

128

4.4

80

1.3

Duffy et al (1995) / Zha et al., (1996)

16.2

129

4.2

81

1.4

Yoneda and Morioka (1992)

6.0

128.7

4.1a

81.7

1.6

Kumazawa and Anderson

(1969)

0.2

129.1

5.37

81.6

1.80

Graham and Barsch (1969)

1.0

128.6

5.13

81.1

1.82