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Table T6 (continued).

Core, section,
interval (cm)
Martini (1971)
Zone (base)
Age
(Ma)
Abundance Preservation Amaurolithus amplificus Amaurolithus delicatus Amaurolithus ninae Amaurolithus primus Amaurolithus tricorniculatus Calcidiscus leptoporus Calcidiscus macintyrei Calcidiscus tropicus Calciosolenia murrayi Ceratolithus acutus Ceratolithus cristatus Ceratolithus spp. Ceratolithus telesmus Coccolithus braarudii Coccolithus pelagicus Crenalithus doronicoides Crenalithus japonicus Cryptococcolithus mediaperforatus Discoaster asymmetricus Discoaster berggrenii Discoaster brouweri Discoaster pentaradiatus Discoaster quadramus Discoaster quinqueramus Discoaster surculus Discoaster tamalis Discoaster triradiatus Discoaster variabilis Discoaster variabilis (3, 5, or 7 ray) Emiliania huxleyi Gephyrocapsa aperta Gephyrocapsa caribbeanica Gephyrocapsa oceanica Gephyrocapsa parallela Large Gephyrocapsa spp. Helicosphaera carteri Helicosphaera granulata Helicosphaera inversa
22H-CC NN12   V M–G   R   F F C A A   ?         A       F   C F R   F   R R               R F  
23H-CC   V M–G   F   F R C C A             A       F   C F   * F   R F               R F  
24H-CC   V M–G   F   R   F C C             F       F   F F   ? F   R C F             F F  
25H-CC NN11D   V M   R   R   F C C             C       F   F F   R R   R F R             C F  
26H-CC   V M * R       F F C             C     F F R F F   F R   R C F             R F  
27H-CC   V M–G * F R F   C F C       R     C     R   F F F   C R     C F             F    
28H-CC   V M–G   F   F   F F C             C         F F F   F F   R C F             F F  
29H-CC   V M–G ? F R R   F C C       ?     C         F F C   F F   R C R             F C  
30H-CC   V M–G   F R F   C F C             C         F F F   F F   R C F             F F  
31H-CC   V M–G   R R F   F C C             C     R   R F F   F F   R C R             R F  
32H-CC   V M–G   R   R   F C C             C         R F F   R       C F             R R  

Notes: Abundance: V = very abundant; A = abundant; C = common; F = few; R = rare; p = present; ? = questionable; * = reworked; Preservation: G = good; M = moderate; P = poor. See “Calcareous nannofossils” in the “Site U1312–U1315 methods” chapter. FO = first occurrence, LO = last occurrence.

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