|
Fossil group
|
Event
|
Age
(Ma) |
Zone
(base) |
Core, section,
interval (cm) |
Depth
(mbsf) |
||||
|---|---|---|---|---|---|---|---|---|---|
|
A
|
B
|
Top
|
Bottom
|
Top
|
Bottom
|
Mean
|
|||
|
|
|
|
|
|
175-1082A- | 175-1082A- |
|
|
|
| N | FO Emiliania huxleyi | 0.26 | NN21a | CN15 | 3H-5, 100 | 3H-CC | 23.90 | 27.16 | 25.53 |
| N | LO Gephyrocapsa caribbeanica acme | 0.26 | NN21a | CN15 | 3H-5, 100 | 3H-CC | 23.90 | 27.16 | 25.53 |
| N | LO Pseudoemiliania lacunosa | 0.46 | NN20 | CN14b | 5H-3, 10 | 5H-5, 120 | 39.20 | 43.10 | 41.15 |
| S | LO Bachmannocena quadrangula | 0.80 |
|
|
6H-CC | 7H-CC | 55.82 | 65.47 | 60.65 |
| N | LO Reticulofenestra asanoi | 0.83 |
|
|
7H-CC | 8H-5, 10 | 65.47 | 69.61 | 67.54 |
| D | LO Nitzschia fossilis | 0.92 |
|
|
6H-CC | 7H-CC | 55.82 | 65.47 | 60.65 |
| D | LO Rhizosolenia matuyama | 1.10 |
|
|
10H-CC | 11H-CC | 94.34 | 103.45 | 98.90 |
| N | LO Helicosphaera sellii | 1.25 |
|
|
13H-3, 80 | 13H-6, 20 | 115.22 | 118.86 | 117.04 |
| D | LO Rhizosolenia praebergonii var. robusta | 1.65 |
|
|
20X-CC | 21X-CC | 183.51 | 193.47 | 188.49 |
| N | LO Calcidiscus macintyrei | 1.67 |
|
|
16X-CC | 17X-CC | 145.34 | 152.80 | 149.07 |
| D | LO Proboscia barboi | 1.68 |
|
|
19H-CC | 20H-CC | 172.74 | 183.51 | 178.13 |
| R | LO Cycladophora pliocenica | 1.83 |
|
|
20X-CC | 21X-CC | 183.51 | 193.47 | 188.49 |
| N | LO Discoaster brouweri | 1.95 | NN19 | CN13a | 22X-CC | 23X-CC | 201.31 | 213.19 | 207.25 |
| D | LO Thalassiosira convexa | 2.19 |
|
|
27X-CC | 28X-CC | 252.12 | 262.14 | 257.13 |
| R | FO Cycladophora davisiana | 2.70 |
|
|
29X-CC | 30X-CC | 273.16 | 280.53 | 276.85 |
| D | FO Rhizosolenia praebergonii | 3.12 |
|
|
34X-1, 40 | 34X-2, 100 | 312.10 | 314.20 | 313.15 |
| N | LO Sphenolithus spp. | 3.66 |
|
|
43X-CC | 44X-CC | 396.06 | 405.07 | 400.57 |
| R | FO Spongorus pylomaticus | 5.20 |
|
|
54X-CC | 55X-CC | 503.56 | 513.60 | 508.58 |
| N | LO Discoaster quinqueramus | 5.54 | NN12 | CN10a | 61X-CC | 62X-CC | 570.48 | 579.77 | 575.13 |
Notes: Fossil group: N = calcareous nannofossils; S = silicoflagellates; D = diatoms; and R = radiolarians. 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).