Table 1.

Table T1. Site 1124 seismic units and reflectors.

Reflector Unit Interval (ms TWT) Time
to base
(ms TWT) Assumed velocity (m/s) Depth to reflector (m) Thickness (m) Cumulativethickness
(m) Character of reflectionswithin units

Seabed

0
0
0

R-1
A
85
85
1525
65
65
65
Discontinuous, subparallel

R-2
B1
100
185
1549
143
78
143
Faint, subparallel, rhythmic

R-3
B2
170
355
1650
293
150
293
Acoustically transparent

R-4
B3
134
489
1726
422
129
422
Semi-transparent, with "blotches"

Depth drilled to 485 m

C1
110
599
1835
550
128
550
Strong, subparallel

R-5
C2
46
645
1900
613
63
613
Acoustically transparent

Estimated thickness to basement: 613 m

Reflector	Unit	Interval (ms TWT)	Time to base (ms TWT)	Assumed velocity (m/s)	Depth to reflector (m)	Thickness (m)	Cumulativethickness (m)	Character of reflectionswithin units
Seabed					0	0	0
R-1	A	85	85	1525	65	65	65	Discontinuous, subparallel
R-2	B1	100	185	1549	143	78	143	Faint, subparallel, rhythmic
R-3	B2	170	355	1650	293	150	293	Acoustically transparent
R-4	B3	134	489	1726	422	129	422	Semi-transparent, with "blotches"
Depth drilled to 485 m
	C1	110	599	1835	550	128	550	Strong, subparallel
R-5	C2	46	645	1900	613	63	613	Acoustically transparent
Estimated thickness to basement: 613 m