Fossil group
|
Event
|
Age
(Ma) |
Zone
(base) |
Core, section,
interval (cm) |
Depth
(mbsf) |
||||
---|---|---|---|---|---|---|---|---|---|
A
|
B
|
Top
|
Bottom
|
Top
|
Bottom
|
Mean
|
|||
|
|
|
|
|
175-1083A- | 175-1083A- |
|
|
|
N | FO Emiliania huxleyi acme | 0.09 | NN21b |
|
1H-CC | 2H-2, 90 | 1.74 | 4.20 | 2.97 |
N | FO Emiliania huxleyi | 0.26 | NN21a | CN15 | 3H-CC | 5H-1, 140 | 20.94 | 31.70 | 26.32 |
N | LO Gephyrocapsa caribbeanica acme | 0.26 | NN21a | CN15 | 3H-CC | 5H-1, 140 | 20.94 | 31.70 | 26.32 |
N | LO Pseudoemiliania lacunosa | 0.46 | NN20 | CN14b | 5H-6, 10 | 5H-CC | 37.80 | 40.19 | 39.00 |
R | LO Axoprunum angelinum | 0.46 |
|
|
3H-CC | 5H-CC | 20.94 | 40.19 | 30.57 |
N | LO Small Gephyrocapsa acme (Weaver, 1993) | 0.60 |
|
|
6H-CC | 7H-1, 80 | 42.42 | 50.10 | 46.26 |
D | LO Nitzschia reinholdii | 0.69 |
|
|
7H-CC | 8H-CC | 59.08 | 68.89 | 63.89 |
S | LO Bachmannocena quadrangula | 0.80 |
|
|
7H-CC | 8H-CC | 59.08 | 68.89 | 63.89 |
N | LO Reticulofenestra asanoi | 0.83 |
|
|
8H-3, 40 | 8H-5, 60 | 62.20 | 65.30 | 63.75 |
N | LO Small Gephyrocapsa acme (Gartner, 1977) | 0.96 |
|
|
10H-2, 130 | 10H-4, 80 | 80.60 | 83.00 | 81.80 |
R | LO Lamprocyrtis neoheteroporos | 1.07 |
|
|
9H-CC | 10H-CC | 77.84 | 87.60 | 82.72 |
D | LO Rhizosolenia matuyama | 1.10 |
|
|
10H-CC | 11H-CC | 87.60 | 96.53 | 92.07 |
N | LO Helicosphaera sellii | 1.25 |
|
|
11H-CC | 12H-3, 120 | 96.53 | 101.00 | 98.77 |
N | LO Calcidiscus macintyrei | 1.67 |
|
|
18H-CC | 15H-CC | 124.54 | 134.79 | 129.67 |
D | LO Proboscia barboi | 1.68 |
|
|
14H-CC | 15H-CC | 124.54 | 134.79 | 129.67 |
R | LO Cycladophora pliocenica | 1.83 |
|
|
18H-CC | 19H-CC | 162.61 | 173.22 | 129.67 |
N | LO Discoaster brouweri | 1.95 | NN19 | CN13a | 17H-CC | 18H-CC | 154.12 | 162.91 | 158.52 |
|
|
|
|
|
175-1083B- | 175-1083B- |
|
|
|
N | FO Emiliania huxleyi | 0.26 | NN21a | CN15 | 3H-3, 130 | 3H-5, 130 | 16.60 | 19.60 | 18.10 |
N | LO Gephyrocapsa caribbeanica acme | 0.26 | NN21a | CN15 | 3H-3, 130 | 3H-5, 130 | 16.60 | 19.60 | 18.10 |
Notes: Fossil group: N = calcareous nannofossils; R = radiolarians; D = diatoms; and S = silicoflagellates. FO = first occurrence and LO = last occurrence. Zonal codes refer to the standard calcareous nannofossil zonations of (A) Martini (1971) and (B) Okada and Bukry (1980).