Table T4.
Summary of biostratigraphic age assignments for Holes 1088B and
1088C. (See table note. Continued on next
page. )
Core,
section,
interval (cm) |
Depth
(mbsf) |
Depth (mcd)
|
Calcareous
nannofossil
zone |
Calcareous
nannofossil
age
(Ma) |
Diatom
zone |
Diatom
age
(Ma) |
Radiolaria
zones |
Radiolaria
age
(Ma) |
Planktic
foraminifer
zone |
Planktic
foraminifer
age
(Ma) |
| |
|
|
|
|
|
|
|
|
|
|
| 177-1088A- |
|
|
|
|
|
|
|
|
|
|
| 1H-CC,
15-20 |
9.89 |
12.27 |
NN19 |
<0.88 |
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| 177-1088B- |
|
|
|
|
|
|
|
|
|
|
| 1H-1,
110-110 |
1.10 |
1.10 |
NN21b |
<0.085 |
|
|
|
|
|
|
| 1H-1,
120-120 |
2.50 |
2.50 |
NN21a |
>0.085 |
|
|
|
|
|
|
| 1H-2,
100-100 |
2.50 |
2.50 |
NN21a |
<0.26 |
|
|
|
|
|
|
| 1H-2,
130-130 |
2.80 |
2.80 |
NN20 |
>0.26 |
|
|
|
|
|
|
| 1H-3,
120-120 |
4.20 |
4.20 |
NN20 |
<0.46 |
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| 1H-4, 10-10
|
4.60 |
4.60 |
NN19 |
>0.46 |
|
|
|
|
|
|
| 1H-CC, 7-12
|
5.41 |
5.41 |
NN19 |
0.46-0.88 |
|
|
S.
universus |
0.46-2.61 |
|
|
| 2H-4,
140-140 |
11.40 |
11.40 |
NN19 |
<0.88 |
|
|
|
|
|
|
| 2H-5, 70-70
|
12.20 |
12.20 |
NN19 |
>0.96 |
|
|
|
|
|
|
| 2H-CC,
12-19 |
14.44 |
14.44 |
NN19 |
<1.08 |
|
|
|
<2.61 |
G.
truncatulinoides |
<2.0 |
| |
|
|
|
|
|
|
|
|
|
|
| 3H-1, 70-70
|
15.70 |
15.70 |
NN19 |
>1.24 |
|
|
|
|
|
|
| 3H-1,
140-140 |
16.40 |
16.40 |
NN19 |
<1.46 |
|
|
|
|
|
|
| 3H-2, 70-70
|
17.20 |
17.20 |
NN19 |
>1.46 |
|
|
|
|
|
|
| 3H-2,
140-140 |
17.91 |
17.91 |
NN19 |
<1.60 |
|
|
|
|
|
|
| 3H-4, 70-70
|
20.20 |
20.20 |
NN19 |
<1.69 |
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| 3H-4,
140-140 |
20.90 |
20.90 |
NN19 |
>1.69 |
|
|
|
|
|
|
| 3H-4,
140-140 |
20.90 |
20.90 |
NN19 |
<1.95 |
|
|
|
|
|
|
| 3H-5, 70-70
|
21.70 |
21.70 |
NN18 |
>1.95 |
|
|
|
|
|
|
| 3H-5,
140-140 |
22.40 |
22.40 |
NN18 |
<2.45 |
|
|
|
|
|
|
| 3H-6, 70-70
|
23.20 |
23.20 |
NN17 |
>2.45 |
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| 3H-6,
130-130 |
23.80 |
23.80 |
NN17 |
<2.55 |
|
|
|
|
|
|
| 3H-CC,
14-19 |
23.97 |
23.97 |
NN16 |
>2.55 |
T.
insigna |
2.6-3.3 |
E.
mats.-S. langii |
<6.79 |
G.
inflata |
|
| 4H-1, 70-70
|
25.20 |
25.20 |
NN16 |
<2.83 |
|
|
|
|
|
|
| 4H-1,
140-140 |
25.90 |
25.90 |
NN16 |
>2.83 |
|
|
|
|
|
|
| 4H-5,
140-140 |
31.90 |
31.90 |
NN16 |
<3.66 |
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| 4H-6,
140-140 |
33.90 |
33.90 |
|
>3.66 |
|
|
|
|
|
|
| 4H-CC,
13-18 |
34.08 |
34.08 |
Not
identified |
3.66-5.6 |
|
|
E.
mats.-S. langii |
<6.79 |
G.
inflata |
|
| 5H-CC,
12-18 |
42.92 |
42.92 |
|
3.66-5.6 |
|
|
E.
mats.-S. langii |
<6.79 |
|
|
| 6H-2, 70-70
|
45.70 |
45.70 |
NN12 |
<5.54 |
|
|
|
|
|
|
| 6H-2,
139-139 |
46.40 |
46.40 |
NN11 |
>5.54 |
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| 6H-CC,
13-18 |
52.86 |
52.86 |
NN11 |
5.54-739 |
|
|
E.
mats.-S. langii |
<6.79 |
G.
conomiozea |
<6.9 |
| 7H-CC,
23-28 |
62.47 |
62.47 |
NN11 |
5.54-739 |
|
|
E.
mats.-S. langii |
<6.79 |
|
|
| 8H-6,
130-130 |
71.30 |
71.30 |
NN11 |
<7.39 |
|
|
|
|
|
|
| 8H-CC,
10-15 |
71.47 |
71.47 |
NN11 |
>7.39 |
|
|
|
|
|
|
| 9H-CC, 9-14
|
80.83 |
80.83 |
NN11 |
7.39-8.6 |
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| 10H-CC,
10-15 |
91.50 |
91.50 |
NN11 |
7.39-8.6 |
F.
reinholdii |
5.6-8.1 |
D.
antepenultima |
7.7-11.53 |
|
|
| 11H-4,
140-140 |
96.90 |
96.90 |
NN11 |
<8.6 |
|
|
|
|
|
|
| 11H-5,
70-70 |
97.70 |
97.70 |
NN10 |
>8.6 |
|
|
|
|
|
|
| 11H-CC,
9-14 |
99.16 |
99.16 |
NN10 |
8.6-9.63 |
|
|
D.
petterssoni |
10.8-12.5 |
|
|
| 12H-CC,
9-14 |
110.05 |
110.01 |
NN10 |
8.6-9.63 |
|
|
D.
petterssoni |
10.8-12.5 |
|
|