Rock type

Density (g/cm³)

Vp (km/s)

Acoustic impedance (g∙km/s∙cm³)

Reflection coef.

Remarks

SP-C

SP-D

SP-G

SP-V

SP-C

2.612

6.097

15.924

0.088

0.003

0.023

(Felsic gneiss)

SP-D

2.822

6.737

19.012

0.086

0.066

(Magnetite rich)

SP-G

2.618

6.115

16.009

0.020

(Hornblende gneiss)

SP-V

2.664

6.255

16.664

(Garnet gneiss)