Table T4. Astrochronological ages for Leg 198 compared to published ages.
|
Chron
|
Age (ka)
|
|
(CK95) Hilgen
(1991a, 1991b)
|
Leg
198
|
Shackleton et al.
(1995)
|
Hilgen et al.
(1995)
|
|
C1n |
0
|
|
|
|
|
Base |
780
|
776.7 |
|
|
|
C1r.1n |
990
|
992.8 |
|
|
|
Base |
1070
|
1089.4 |
|
|
|
C2n |
1770
|
1786.4 |
|
|
|
Base |
1950
|
1954.2 |
|
|
|
C2r.1n |
2140
|
2133.5 |
|
|
|
Base |
2150
|
2170.4 |
|
|
|
C2An.1n |
2581
|
2564.7 |
|
|
|
Base |
3040
|
3042.5 |
3046 (3.5) |
|
|
C2An.2n |
3110
|
3118 |
3131 (13) |
|
|
Base |
3220
|
3236.5 |
3233 (–3.5) |
|
|
C2An.3n |
3330
|
3354.5 |
3331 (–23.5) |
|
|
Base |
3580
|
3593.3 |
3594 (0.7) |
|
|
C3n.1n |
4180
|
4190.9 |
4199 (8.1) |
|
|
Base |
4290
|
4351.9 |
4316 (–35.9) |
|
|
C3n.2n |
4480
|
4523.6 |
4479 (–44.6) |
|
|
Base |
4620
|
4683.8 |
4623 (–60.8) |
|
|
C3n.3n |
4800
|
4806.9 |
4781 (–25.9) |
|
|
Base |
4890
|
4880.9 |
4878 (–2.9) |
|
|
C3n.4n |
4980
|
4972.5 |
4977 (4.5) |
|
|
Base |
5230
|
5201.2 |
5232 (30.8) |
|
|
C3An.1n |
5894
|
5952.7 |
5875 (–77.7) |
|
|
Base |
6137
|
6143 |
6122 (–21) |
|
|
C3An.2n |
6269
|
6241.5 |
6256 (14.5) |
|
|
Base |
6567
|
6526.2 |
6555 (28.8) |
6677 (150.8) |
|
C3Bn |
6935
|
6878 |
6919 (41) |
7101 (223) |
|
Base |
7091
|
7095.8 |
7072 (–23.8) |
7210 (114.2) |
|
C3Br.1n |
7135
|
|
|
7256 |
|
Base |
7170
|
|
|
7301 |
|
C3Br.2n |
7341
|
7348.2 |
|
7455 (106.8) |
|
Base |
7375
|
7388.3 |
|
7492 (103.7) |
|
C4n.1n |
7432
|
7453.5 |
7406 (–47.5) |
7532 (78.5) |
|
Base |
7562
|
7540.9 |
7533 (–7.9) |
7644 (103.1) |
|
C4n.2n |
7650
|
7634.1 |
7618 (–16.1) |
7697 (62.9) |
|
Base |
8072
|
8038 |
8027 (–11) |
8109 (71) |
Notes: Italics = differences between Leg 198 tuned ages and Hilgen et al. (1995) and Shackleton et al. (1995).