Table 1.

Table T1. Summary of main seismic units and reflectors for profile NIWA 3034-7 and Site 1123.

Reflectors Unit Time
to base
(ms) Velocity
(m/s) Depth to
reflector
(m) Thickness
(m) Cumulative
thickness
(m) Character of reflectors within units

Seabed

0
0
0

R-1
A
180
1656
149
149
149
Slightly discontinuous, but subparallel

R-2
B1
355
1740
309
160
309
Diffuse, with widespread diffractions

R-3
B2
475
1845
438
129
438
Semi-transparent, little continuity

(626)
Drilled

R-4
C
680
2050
697
259
697
Diffuse, with widespread diffractions

R-5
D
1250
2200
1375
678
1375
Upper = strong diffractions; lower = transparent

Estimated seismic thickness to basement: 1375 m

Reflectors	Unit	Time to base (ms)	Velocity (m/s)	Depth to reflector (m)	Thickness (m)	Cumulative thickness (m)	Character of reflectors within units
Seabed				0	0	0
R-1	A	180	1656	149	149	149	Slightly discontinuous, but subparallel
R-2	B1	355	1740	309	160	309	Diffuse, with widespread diffractions
R-3	B2	475	1845	438	129	438	Semi-transparent, little continuity
						(626)	Drilled
R-4	C	680	2050	697	259	697	Diffuse, with widespread diffractions
R-5	D	1250	2200	1375	678	1375	Upper = strong diffractions; lower = transparent
Estimated seismic thickness to basement: 1375 m