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Table T2. Calcareous nannofossil age assignments, Site U1350. (See table notes.)

Core, section,
interval (cm)
Age-diagnostic species (Abundance) Stratigraphic range (Zone) Age (Ma)
(Range estimation)
324-U1350A-
1W-1, 5–6* Eprolithus floralis (R) Albian–Santonian (CC8/NC8–CC15) 112.6–107.3
Staurolithites siesseri (F) ?–Albian (?–NC8a-b)
Zeugrhabdotus diplogramus (F) Valanginian?–Santonian/Campanian boundary (?–UC12)
1W-1, 9–10 Cretarhabdus striatus (R) Aptian–Cenomanian (?–UC4) (Mixed Early Cretaceous)
Cruciellipsis cuvillieri (R) Tithonian–Hauterivian (NJ18–NC5)
Haqins circumradiatus (R) Hauterivian–Campanian (?–UC15c)
Staurolithites siesseri (F) ?–Albian (?–NC8a-b)
3R-1, 5–6 Cretarhabdus striatus (R) Aptian–Cenomanian (?–UC4) (Mixed Early Cretaceous)
Cruciellipsis cuvillieri (R) Tithonian–Hauterivian (NJ18–NC5)
Staurolithites siesseri (R) ?–Albian (?–NC8a-b)
4R-1, 18–19 Cruciellipsis cuvillieri (F) Tithonian–Hauterivian (NJ18–NC5) 131.2–128.3
Rotelappilius crenulatus (R) mid-Hauterivian–Maastrichtian (?NC4–CC26?)
Speetonia sp. (R) Berriasian–Hauterivian (NK3–NC5)
6R-1, 10–11 Rhagodiscus asper (F) Tithonian–Cenomanian (NJ18–UC5) >140–93
8R-1 (Piece 1, 2–4) Rhagodiscus asper (R) Tithonian–Cenomanian (NJ18–UC5) 131.5–93
Staurolithes crux (R) Hauterivian–Maastrichtian
9R-1 (Piece 2, 10–11) Axopodorhabdus albianus (R) Albian/Cenomanian–upper Cenomanian (NC9–UC5a) (Mixed Early Cretaceous)
Cruciellipsis cuvillieri (F) Tithonian–Hauterivian (NJ18–NC5)
Rhagodiscus angustus (R) Aptian–Maastrichtian (NC8a-b–?)
Zeugrhabdotus erectus (R) lower Berriasian (NK1–NK2a)**

Notes: * = red chert, † = black chert, ‡ = limestone on chert. ** = ODP Leg 198 Hole 1213B. Abundance: F = frequent, R = rare. Zone ranges are only given for properly defined taxa.

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