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Table T2. Radiolarian datum occurrences.

Datum Age
(Ma)
U1427A U1427B U1427C
Core, section,
interval (cm)
Depth
CCSF-A (m)
Core, section,
interval (cm)
Depth
CCSF-A (m)
Core, section,
interval (cm)
Depth
CCSF-A (m)
LO Lychnocanoma sakaii 0.054 2H-CC 10.92 3H-4, 45–47 20.06 2H-6, 15–17 16.30
3H-CC 21.64 3H-5, 32–34 21.43 3H-4, 45–47 23.06
LO Amphimelissa setosa 0.085 5H-CC 39.32 4H-5, 48–50 30.63 4H-5, 45–47 33.79
6H-CC 49.94 5H-3, 48–50 37.16 5H-4, 45–47 42.90
LO Schizodiscus japonicus 0.29 10H-CC 89.56 12H-7, 46–48 102.72 12H-5, 45–47 109.02
11H-CC 100.18 14H-3, 50–52 109.75 14H-3, 45–47 124.54
FO Amphimelissa setosa 1.48 81X-CC 512.72        
82X-1, 50–52 513.35        
Coiling ratio of N. pachyderma              
Datum A 1.12–1.13 66H-CC 443.72        
Datum B 1.21–1.23 72H-CC 472.30        
Datum C 1.26–1.29 79H-CC 504.23        

LO = last occurrence, FO = first occurrence.

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