Table T2.
Depths to seismic reflectors, Site 1119.
Seafloor feature
Seismic
unit
Paleoshelf
edge
(pse)
Site distance
from pse
(km)
Reflector
Distance to
reflector
(ms)
Average
velocity
Velocity
increase
(m/s)
Downhole
depth
(mbsf)
Age
(Ma)
Sed. rate
(cm/k.y.)
Modern shelf edge
10
5
Seabed
501
0
--
0
0.00
0.0
Slope toe (downlap)
A1
9
5
1
50
1375
--
34
0.13
26.4
Slope toe (grades)
A2
8
9.5
2
80
1381
6
55
0.26
21.2
7
12.5
3
100
1385
4
69
0.37
18.7
7
12.5
4
124
1389
4
86
0.51
16.9
Midslope drift (upper)
B1
6
13.5
5
160
1375
-14
110
0.68
16.2
5
13
6
182
1378
3
125
0.78
16.1
5
13
7
224
1380
2
155
0.88
17.6
5
13
8
260
1384
4
180
0.95
18.9
5
13
9
278
1382
-2
192
1.00
19.2
Midslope drift (lower)
B2
4
12.5
10
300
1389
7
208
1.08
19.4
4
12.5
11
340
1394
5
237
1.17
20.3
4
12.5
12
380
1421
27
270
1.27
21.3
4
12.5
13
392
1445
24
283
1.32
21.5
Midslope drift (gutter)
B3
3
11
14
410
1441
-4
295
1.68
17.6
3
11
15
450
1454
13
327
1.92
17.0
3
11
16
460
1461
7
336
1.95
17.2
2
14
17
500
1475
14
369
2.16
17.1
Drape of large slope drift
C
2
14
18
545
1515
40
413
2.39
17.2
2
14
19
578
1559
44
451
2.59
17.4
2
14
20
600
1565
6
470
2.68
17.5
1
15
21
625
1557
-8
487
2.78
17.5
1
15
22
655
1558
1
510 (not drilled)
2.8
0.0
Top of large slope drift
D
(not drilled)
Notes: Gray bars separate major stratigraphic units; blue bars separate individual drift components within drift-complex B. Sed. = sedimentation.