Core, section,
interval (cm) |
Marker species
|
Age
(Ma) |
Depth (mbsf)
|
Depth (mcd)
|
|||
---|---|---|---|---|---|---|---|
Top
|
Bottom
|
Midpoint
|
±
|
Midpoint
|
±
|
||
199-1220A- | 199-1220A- |
|
|
|
|
|
|
3H-5, 60 | 3H-6, 40 | T Triquetrorhabdulus carinatus acme | 22.9 | 25.70 | 0.65 | 25.70 | 0.65 |
5H-1, 60 | 5H-1, 140 | B Sphenolithus ciperoensis | 28.1 | 39.00 | 0.40 | 42.29 | 0.40 |
5H-4, 60 | 5H-5, 45 | T Sphenolithus pseudoradians | 29.1 | 43.78 | 0.68 | 47.07 | 0.68 |
6H-3, 100 | 6H-4, 80 | B Sphenolithus distentus | 30.4 | 52.15 | 0.65 | 57.49 | 0.65 |
7H-4, 70 | 7H-4, 140 | T Reticulofenestra umbilicus 14 µm | 31.7 | 62.51 | 0.35 | 68.82 | 0.35 |
|
|
|
|
|
|
|
|
199-1220B- | 199-1220B- |
|
|
|
|
|
|
3H-1, 60 | 3H-1, 90 | B Sphenolithus distentus | 30.4 | 53.75 | 0.15 | 57.14 | 0.15 |
4H-3, 60 | 4H-3, 100 | T Ericsonia formosa | 32.9 | 68.30 | 0.20 | 73.69 | 0.20 |
18X-3, 120 | 18X-3, 145 | X Tribrachiatus contortus/T. orthostylus | 53.4 | 191.55 | 0.13 | 210.26 | 0.13 |
19X-CC | 20X-1, 20 | B Tribrachiatus bramlettei | 53.9 | 195.67 | 1.94 | 214.38 | 1.94 |
20X-1, 90 | 20X-1, 115 | T Fascicultihus spp.* | 54.1 | 198.43 | 0.13 | 217.14 | 0.13 |
20X-1, 105 | 20X-1, 115 | X Fascicultihus/Rhomboaster* | 54.1 | 198.50 | 0.05 | 217.21 | 0.05 |
20X-1, 125 | 20X-2, 1 | B Rhomboaster spp.* | 54.1 | 198.78 | 0.13 | 217.49 | 0.13 |
Notes: T = top, B = bottom, X = abundance cross-over. * = age estimates in need of revision; events occur 0.77-1.38 m above the Paleocene/Eocene boundary (199-1220B-20X-2, 78 cm). This table is also available in ASCII. [N1]