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doi:10.2204/iodp.pr.306.2005

Table T1. Events and corresponding composite depth.

Biostratigraphic event
Age
(Ma)
Event depth (mcd)
Site U1312
Site U1313
Site U1314
LO Helicosphaera inversa
0.16

8.375

FO Emiliania huxleyi
0.25
13.47
19.105
25.565
LO Rhizosolenia curvirostris
0.30


22.845
LO Pseudoemiliania lacunosa
0.41
13.47
21.205
32.285
LO Fragilariopsis reinholdii
0.50
20.565
34.505
39.35
FO Helicosphaera inversa
0.51

22.09
61.4
LO Fragilariopsis fossilis
0.70


57.565
LO Neodenticula seminae
0.84


65.27
LO Reticulofenestra asanoi
0.85

24.815
69.01
FO Gephyrocapsa parallela
0.95
18.41
47.035
74.235
LO Stilostomella lepidula
1.00

47.035
87.37
FO Reticulofenestra asanoi
1.16

54.31
94.435
LO large Gephyrocapsa spp.
1.21
22.775
51.815
94.435
FO Neodenticula seminae
1.25


104.355
LO Helicosphaera sellii
1.27
25.31
61.955
97.53
FO large Gephyrocapsa spp.
1.45
31.96
79.4
126.535
FO Rhizosolenia curvirostris
1.52


154.295
FO Gephyrocapsa oceanica
1.65


150.73
FO Gephyrocapsa caribbeanica
1.73
37.95
87.41
155.855
FaO Neogloboquadrina pachyderma (sinistral)
1.78

83
157.71
LO Discoaster brouweri
1.97
28
91.635
174.675
FO Globorotalia truncatulinoides
2.08
39.15
99.965

FO Globorotalia inflata
2.09
39.15
108.94
184.815
LO Discoaster pentaradiatus
2.38
28
110.695
232.9
LO Thalassiosira convexa
2.40
52.28

241.18
LO Globorotalia miocenica
2.40

107.11

LO Neogloboquadrina atlantica (sinistral)
2.41


221.065
LO Globorotalia puncticulata
2.41
55
103.66
222.94
LO Discoaster surculus
2.54
40.7
121.04
253.365
FO Cycladophora davisiana
2.59
56.525


LO Spongaster tetras?
2.60


272.955
LO Discoaster tamalis
2.74
37.4
114.35
272.955
Disappearance Globorotalia hirsuta
3.18
52.28
151.875

LO Sphaeroidinellopsis seminulina
3.19
56.525
147.445

Reappearance Globorotalia puncticulata
3.31
103
153.69

Disappearance Globorotalia puncticulata
3.57
112.48
164.09

LO Globorotalia margaritae
3.81

183.77

LO Reticulofenestra pseudoumbilicus
3.85
117.8
172.87

LcO Globorotalia margaritae
3.98
124.49
185.67

FO Globorotalia puncticulata
4.52
144.155
214.85

FO Globorotalia crassaformis
4.52

214.85

LO Globigerina nepenthes
4.89

224.875

FO Ceratolithus cristatus (rugosus)
5.089

242.15

LO Discoaster quinqueramus
5.537
173.05
251.94

LO Amaurolithus amplificus
5.999
184.265
320.285

FaO Globorotalia margaritae
6.00
181.5


Coiling change Neogloboquadrina pachyderma s/d
6.30
173


FO Amaurolithus amplificus
6.84
192.2


FcO gr Globorotalia miotumida
7.24
191.5


FO Amaurolithus primus
7.39
191.65


LO Globorotalia menardii 4
7.51
191.65


Coiling change Neogloboquadrina pachyderma d/s
7.80
188.63


FO Discoaster berggrenii
8.28
200.955


FO Discoaster loeblichii
8.43
214.63


LO Globorotalia lenguaensis
8.99
210.915


FO Minylitha convallis
9.43
224.07


LO Discoaster hamatus
9.64
206.73


FO Discoaster hamatus
10.48
252.615


FcO Neogloboquadrina pachyderma morphotype acostaensis
10.50
252.615


LO Coccolithus miopelagicus
10.95
252.615


Notes: Events and corresponding mcd used for Figure F5. Shaded events not used to calculate sedimentation rates. Dark blue = nannofossils, pink = foraminifers, light blue = diatoms, orange = radiolarians. FO = first occurrence, LO = last occurrence, FcO = first common occurrence, FaO = first abundant occurrence. s/d = sinistral/dextral. gr = group.

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