Previous   |   Close   |   Next

Table T2. Calcareous nannofossil age assignments for Unit I, Site U1348. (See table notes.)

Core, section,
interval (cm)
Age-diagnostic species
(Abundance)
Stratigraphic range (Zone) Age (Ma)
324-U1348A-
1W-1, 0–6 Discoaster broweri (F) Miocene–Pleistocene (NN8–NN19) 16.4–14.7 (?)
Discoaster challengeri (C) Miocene (NN8–NN16/CN12b)
Discoaster deflandrei (F) Eocene–Miocene (NN5–NN10)
Discoaster druggii (?) (F) Miocene (NN2–NN6)
Reticulofenestra pseudoumbilicus (C) Miocene–Pliocene (CN4/NN4–NN15)
Uniplanarius gothicus (R) Campanian–Maastrichtian (CC17–CC24)
2R-1, 1* Amaurolithus delicatus (R) Miocene–Pliocene (NN/NP11–NN/NP14) 14–11.19
Calcidiscus macintyrei (C) Miocene–Pleistocene (NN4–NN19)
Discoaster challengeri (C) Miocene (NN8–NN16/CN12b)
Discoaster broweri (F) Miocene–Pleistocene (NN8–NN19)
2R-1, 2 Calcidiscus macintyrei (C) Miocene–Pleistocene (NN4–NN19) 16.4 (?)–9.82
Discoaster challengeri (C) Miocene–Pliocene (NN8–NN16/CN12b)
Discoaster broweri (F) Miocene–Pleistocene (NN8–NN19)
Discoaster druggii (?) (F) Miocene (NN2–NN6)
2R-1, 6* Discoaster pentaradiatus (R) Miocene–Pliocene (NN9/CN7–NN18) 15.1–8.58
Discoaster challengeri (F) Miocene (NN8–NN16/CN12b)
Discoaster broweri (C) Miocene–Pleistocene (NN8–NN19)
Calcidiscus macintyrei (C) Miocene–Pleistocene (NN4–NN19)
2R-1, 6 Uniplanarius gothicus (R) Campanian–Maastrichtian (CC17–CC24) 89.3–87.2
Arkhangelskiella cybiformis (R) Santonian–Campanian (UC13)
Cretarhabdus striatus (R) Aptian–Cenomanian (?–UC4)
2R-1, 60 Uniplanarius gothicus (R) Campanian–Maastrichtian (CC17–CC24) 84–69.6
Reinhardites levis (R) late Campanian–Maastrichtian (?–CC25/UC19)
2R-1, 91 Micula decussata (R) Coniacian–Maastrichtian (CC14–CC27) 87.2–69.2
Lithraphidites decoratus (R) Albian–Maastrichtian (CC9–CC25)
2R-1, 94.5 Micula decussata (R) Coniacian–Maasstrichtian (CC14–CC27) 77–69.6
Uniplanarius sissinghii (R) Campanian–Maastrichtian (CC21–CC24)
2R-1, 95 Uniplanarius gothicus (R) Campanian–Maastrichtian (CC17–CC24) 77–69.6
Micula decussata (R) Coniacian–Maasstrichtian (CC14–CC27)
Uniplanarius sissinghii (R) Campanian–Maastrichtian (CC21–CC24)
2R-CC, 12–15 Micula staurophora (R) Coniacian–Maastrichtian (UC10–NP1) 85.5–75.5
Lithrastrinus grillii (R) Santonian–Campanian (UC11–CC22b)
Microrhabdulus decoratus (R) Cenomanian–Maastrichtian (CC10/UC3–top CC26)
4R-1, 0–1 Micula decussata (R) Coniacian–Maastrichtian (CC14–CC27) 84.8–83.4
Zeugrhabdotus bicrescenticus (F) Albian–Maastrichtian (?)
Eprolithus floralis (C) Aptian–Santonian (NC7a–CC16)
Uniplanarius gothicus (R) Campanian–Maastrichtian (CC17–CC24)
7R-1, 6–7 Eprolithus floralis (C) Aptian–Santonian (NC7a–CC16) 119.5–84
9R-1, 19–20 Rhagodiscus robustus (R) Barremian–Albian (NC5–NC10a) 121.1–99.1
Cretarhabdus striatus (R) Aptian–Cenomanian (?–UC4)
9R-1, 57–60 Eprolithus floralis (C) Aptian–Santonian (NC7a–CC16) 119.5–84
10R-1, 1 Eprolithus floralis (R) Aptian–Santonian (NC7a–CC16) 119.5–84
10R-1, 17 Eprolithus floralis (R) Aptian–Santonian (NC7a–CC16) 119.5–84
10R-1, 20–21 Eprolithus floralis (R) Aptian–Santonian (NC7a–CC16) 119.5–84

Notes: * = gray sediment, † = white sediment. Abundance: C = common, F = frequent, R = rare. Zone ranges are only given for properly defined taxa.

Previous   |   Close   |   Next  |   Top of page