Fossil
group
|
Event
|
Age
(Ma) |
Zone (Base)
|
Core, section, interval (cm)
|
Depth (mbsf)
|
||||
---|---|---|---|---|---|---|---|---|---|
A
|
B
|
Top
|
Bottom
|
Top
|
Bottom
|
Mean
|
|||
|
|
|
|
|
175-1085A- | 175-1085A- |
|
|
|
N | FO Emiliania huxleyi acme | 0.09 | NN21b |
|
1H-CC | 2H-2, 90 | 3.59 | 6.10 | 4.85 |
N | FO Emiliania huxleyi | 0.26 | NN21a | CN15 | 2H2, 90 | 2H-4, 90 | 6.10 | 9.10 | 7.60 |
N | LO Gephyrocapsa caribbeanica acme | 0.26 | NN21a | CN16 | 2H2, 90 | 2H-4, 90 | 6.10 | 9.10 | 7.60 |
N | LO Pseudoemiliania lacunosa | 0.46 | NN20 | CN14b | 2H-CC | 3H-2, 140 | 13.62 | 16.10 | 14.86 |
R | LO Axoprunum angelinum | 0.46 |
|
|
2H-CC | 3H-CC | 13.62 | 23.19 | 18.41 |
N | LO Small Gephyrocapsa acme (Weaver, 1993) | 0.6 |
|
|
4H-CC | 5H-2, 140 | 31.56 | 35.10 | 33.33 |
N | LO Reticulofenestra asanoi | 0.83 |
|
|
5H-4, 140 | 5H-CC | 38.10 | 42.17 | 40.14 |
N | LO Small Gephyrocapsa acme (Gartner, 1977) | 0.96 |
|
|
5H-CC | 6H-CC | 42.17 | 48.96 | 45.57 |
N | LO Helicosphaera sellii | 1.25 |
|
|
7H-2, 130 | 7H-5, 10 | 54.00 | 57.30 | 55.65 |
N | LO Calcidiscus macintyrei | 1.67 |
|
|
8H-CC | 9H-2, 140 | 68.37 | 73.10 | 70.74 |
N | LO Discoaster brouweri | 1.95 | NN19 | CN13a | 10H-CC | 11H-3, 10 | 89.67 | 92.30 | 90.99 |
D | LO Thalassiosira convexa | 2.19 |
|
|
10H-CC | 11H-CC | 89.67 | 98.69 | 94.18 |
N | LO Discoaster surculus | 2.55 | NN18-17 | CN12d-c | 12H-CC | 13H-CC | 108.49 | 117.82 | 113.16 |
R | FO Cycladophora davisiana | 2.7 |
|
|
12H-CC | 13H-CC | 108.49 | 117.82 | 113.16 |
N | LO Discoaster tamalis | 2.83 |
|
|
13H-CC | 14H-CC | 117.82 | 127.45 | 122.64 |
N | LO Reticulofenestra pseudoumbilicus | 3.82 | NN16 | CN12a | 20H-CC | 21H-CC | 183.96 | 193.63 | 188.80 |
N | LO Amaurolithus tricorniculatus | 4.5 | NN15 | CN11 | 24H-CC | 25H-CC | 221.90 | 230.99 | 226.45 |
N | FO Discoaster asymmetricus | 5.02 | NN14 | CN10d | 26H-CC | 27H-CC | 241.53 | 250.87 | 246.20 |
N | LO Discoaster quinqueramus | 5.54 | NN13-12 | CN12c-a | 32H-CC | 33H-CC | 296.87 | 304.90 | 300.89 |
N | LO Amaurolithus amplificus | 5.9 |
|
|
35X-CC | 36X-CC | 324.57 | 333.90 | 329.24 |
N | FO Amaurolithus amplificus | 6.6 |
|
|
39X-CC | 40X-CC | 363.27 | 372.61 | 367.94 |
N | FO Discoaster quinqueramus | 8.6 | NN11 | CN9a | 44X-CC | 45X-CC | 411.24 | 420.39 | 415.82 |
N | LO Discoaster bollii | 9.1 |
|
|
46X-CC | 47X-CC | 430.62 | 440.56 | 435.59 |
N | LO Discoaster hamatus | 9.63 | NN10 | CN8 | 48X-CC | 49X-CC | 450.25 | 459.81 | 455.03 |
N | FO Discoaster hamatus | 10.7 | NN9 | CN7 | 54X-CC | 55X-CC | 507.04 | 517.38 | 512.21 |
N | LO Discoaster kugleri | 11.5 |
|
|
58X-CC | 59X-CC | 546.36 | 556.07 | 551.22 |
N | FO Discoaster kugleri | 11.8 | NN8-7 | CN6-5b | 59X-CC | 60X-CC | 556.07 | 565.60 | 560.84 |
N | LO Sphenolithus heteromorphus | 13.6 | NN6 | CN5a | 62X-CC | 63X-CC | 584.97 | 594.60 | 589.79 |
Notes: Fossil group: N = calcareous nannofossils; R = radiolarians; and D = diatoms. FO = first occurrence and LO = last occurrence. Zonal codes refer to the calcareous nannofossil standard zonations of (A) Martini (1971) and (B) Okada and Bukry (1980).