Table T11. Depths and ages of magnetic chrons and subchrons, Holes 1178A and 1178B.
|
Depth
(mbsf)
|
Polarity
|
Chron
|
Subchron
|
Age
(Ma) |
|---|---|---|---|---|
| 0.05 | N | Brunhes | ||
| 8.5 | N | Gauss | ||
| 43.65 | R | C2An.2r | 3.22 | |
| 53.65 | N | C2An.2n | 3.33 | |
| 89.05 | R | Gilbert | 3.58 | |
| 323.3 | N | C3A | 5.894 | |
| 353.5 | N | C3B? | 6.935 | |
| 405.42 | N | C4 | C4r.1n | 8.225 |
| 408.94 | R | END of C4r.1n | 8.257 |
Note: N = normal, R = reversed.
![]()