Elastic properties of Wadsleyite (b-Mg2SiO4)

Pressure

 

Round-trip Travel Time

Density

Length

Vp

 

Vs

Ks

G

(GPa)

tp

(msec)

ts

(msec)

(g/cm3)

(mm)

(km/sec)

(km/sec)

(GPa)

(GPa)

0.00

0.3780

0.6460

3.440

1.805

9.550

5.5960

170.1

107.7

1.20

0.3790

0.6414

3.465

1.801

9.502

5.6145

167.2

109.2

2.41

0.3727

0.6356

3.490

1.796

9.640

5.6530

175.6

111.5

3.55

0.3672

0.6303

3.512

1.793

9.762

5.6876

183.2

113.6

4.73

0.3633

0.6253

3.535

1.789

9.848

5.7214

188.5

115.7

5.74

0.3602

0.6212

3.554

1.786

9.914

5.7484

192.7

117.4

6.60

0.3573

0.6180

3.570

1.783

9.979

5.7698

197.1

118.8

8.31

0.3521

0.6121

3.601

1.778

10.097

5.8088

205.1

121.5

9.07

0.3501

0.6097

3.614

1.776

10.144

5.8244

208.4

122.6

9.76

0.3484

0.6076

3.626

1.774

10.181

5.8376

211.1

123.6

10.39

0.3467

0.6059

3.637

1.772

10.220

5.8488

214.0

124.4

10.96

0.3457

0.6044

3.647

1.770

10.242

5.8581

215.7

125.1

11.89

0.3441

0.6021

3.662

1.768

10.274

5.8721

218.2

126.3

12.57

0.3428

0.6005

3.674

1.766

10.302

5.8810

220.5

127.1

 

Reference

P range

(GPa)

K0 (GPa)

K0'

G0

(GPa)

G0'

           

This work

 

12.5

170

4.2

108

1.5

Gwanmesia et al. (1990)

3.0

163

4.8

110

1.7

Sawamoto et al.(1984)

Room

177a

--

112a

--

a: Hashin-Shtrikman averages.