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Table T5. Radiolarian datums, Site U1409.
|
Core, section
|
Age
|
Zone/
Subzone |
Marker species
|
Age
(Ma)
|
Depth (mbsf)
|
|
Top
|
Bottom
|
Top
|
Bottom
|
Midpoint
|
±
|
|
342-U1409A-
|
342-U1409A-
|
|
|
|
Eocene
|
|
|
12H-CC
|
|
RP11
|
B Dictyoprora mongolfieri
|
47.98
|
|
105.96
|
105.96
|
|
|
13H-CC
|
14H-CC
|
|
RP09
|
B Theocorys plesioanaclasta
|
50.50
|
115.46
|
124.91
|
120.19
|
4.72
|
|
14H-CC
|
15H-CC
|
|
|
T Buryella tetradica
|
50.87
|
124.91
|
126.09
|
125.50
|
0.59
|
|
17X-CC
|
20X-CC
|
|
RP08
|
B Buryella clinata
|
53.35
|
131.33
|
160.59
|
145.96
|
14.63
|
|
|
|
Paleocene
|
|
20X-CC
|
21X-CC
|
|
RP07
|
X Bekoma campechensis – Bekoma bidartensis
|
58.23
|
160.59
|
162.71
|
161.65
|
1.06
|
|
21X-CC
|
|
|
RP06c
|
T Buryella pentadica
|
59.71
|
162.71
|
|
162.71
|
|
B= base, T = top, X = faunal crossover.
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