Table T1. Depth intervals, hole designation, and measurement type for the velocity and density data used to construct the synthetic seismogram (shown in Fig. F2, .).

Table T1. Depth intervals, hole designation, and measurement type for the velocity and density data used to construct the synthetic seismogram (shown in Fig. F2).


Measurements	Velocity depth interval (mbsf)	Density depth interval (mbsf)
Shipboard laboratory	185-1149A, 185-1149B	185-1149A, 185-1149B
	0-179.55	0-149
		149-179.55 (use constant density of 1.36 g/cm³)
	185-1149B	185-1149B
	410-4145.2 (use average velocity of basalt = 4821 m/s)	410-445.2 (use average density of basalt = 2.66 g/cm³)
Downhole (Hole 1149B)	180.12-350.83	180.12-397.9
	350.83-410.0 (use average velocity from 283 to 350.83 in lithologic Unit IV = 2485 m/s)	397.9-410.0 mbsf (use average density from 368 to 397.8 mbsf = 2.204 g/cm³)