Proc. IODP, 303/306, Site U1306

Table T2. Distribution of calcareous nannofossils, Hole U1306A.

Core, section	Age (Ma)	Abundance	Preservation	Calcidiscus leptoporus	Calcidiscus macintyrei	Coccolithus streckerii	Coccolithus pelagicus	Cyclolithella annula	Discolithina japonica	Discolithina spp.	Emiliania huxleyi	Gephyrocapsa caribbeanica	Gephyrocapsa oceanica	Gephyrocapsa parallela	Gephyrocapsa spp. (large)	Gephyrocapsa spp. (small)	Helicosphaera carteri	Helicosphaera hyalina	Helicosphaera sellii	Pseudoemiliania lacunosa	Reticulofenestra asanoi	Reticulofenestra spp. (small)	Rhabdosphaera clavigera	Scapholithus fossilis	Syracosphaera pulchra	Umbilicosphaera sibogae	Reworked species																Nannofossil datum age (Ma)	MIS
Core, section	Age (Ma)	Abundance	Preservation	Calcidiscus leptoporus	Calcidiscus macintyrei	Coccolithus streckerii	Coccolithus pelagicus	Cyclolithella annula	Discolithina japonica	Discolithina spp.	Emiliania huxleyi	Gephyrocapsa caribbeanica	Gephyrocapsa oceanica	Gephyrocapsa parallela	Gephyrocapsa spp. (large)	Gephyrocapsa spp. (small)	Helicosphaera carteri	Helicosphaera hyalina	Helicosphaera sellii	Pseudoemiliania lacunosa	Reticulofenestra asanoi	Reticulofenestra spp. (small)	Rhabdosphaera clavigera	Scapholithus fossilis	Syracosphaera pulchra	Umbilicosphaera sibogae	Calcidiscus formosus	Reticulofenestra gartneri	Reticulofenestra pseudoumbilicus	Reticulofenestra umbilicus	Arkhangeliskiella cymbiformis	Biscutum sp.	Calculites sp.	Eiffellithus turriseiffeli	Eiffellithus eximius	Micula decussata	Cribrosphaerella ehrenbergii	Gartnergo obliquum	Nephrolithus frequens	Prediscosphaella cretacea (s.l.)	Watznaueria barnesae	Zygodiscus diplogrammus	Nannofossil datum age (Ma)	MIS
303-U1306A-
1H-CC	0~0.25	C	G	R							C		R	+		C	R					R			+	+												r			r
2H-CC	0~0.25	F	M	R			+				F		+			F	+					R				+															r
3H-CC	0~0.25	F	M	+			+				+		+	+		C									+	+	r		r	r	r	r	r	r	r	r	r	r	r	r	r	r
4H-CC	0~0.25	F	M	+							+		+	+		F	+					+			+																	r
5H-CC	0.25~0.41	C	G	+			C						R	+		C	+					+												r
6H-CC	0.25~0.41	C	G				F					+	R	R		C						C
7H-CC	?	R	M				+									+						+
8H-CC	0.41~0.85	C	G				R			+			F	R		A	R			R		+				+
9H-CC	0.41~0.85	C	G	R			R	+					F	F		A	R			F		R
10H-CC	0.41~0.85	F	M	+									R	R		F				R		R				+										r					r
11H-CC	0.41~0.85	F	M				+						R	+		F	R			R		R			+
12H-CC	?	R	P													+	+			+		+
13H-CC	0.41~0.85	A	G	R			+						R	R		A	R			F		R			+
14H-CC	0.41~0.85	C	G	F			+		+	F			F	R		F	R			C		R			+
15H-CC	0.85~0.95	C	M	F						R			R	+		R	+			C	C	C
16H-CC	0.95~1.16	R	P													+					+	+						r
17H-CC	0.95~1.16	C	G	R					R	+						R	R			F	C	F	+		R	+
18H-CC	?	R	P																			+																			r
19H-CC	0.95~1.16	R	P																		+	+
20H-CC	?	B
21H-CC	?	R	P																			+
22H-CC	1.27~1.45	F	M	R			+		+	+		R	R		R	F	+		R	R		+
23H-CC	?	B
24H-CC	1.27~1.45	C	P	+			A			+		+	+		R	+
25H-CC	1.45~1.65	F	G	R			+					F	R			R	+		+	R		+
26H-CC	1.45~1.65	A	M	+		+	A					R	+			R				F		C			+
27H-CC	?	R	P																						+
28H-CC	1.73~1.97	A	G	+	+		F			R						C			F	R		A			R
29H-CC	1.73~1.97	F	M				C									+				+		+
30H-CC	1.73~1.97	A	G	R	+	+	C									+			+	R		A
31H-CC	1.73~1.97	C	G	R	R	R	C													+		C
32H-CC	1.73~1.97	A	G				A													F		F																			r	r
33H-CC	1.73~1.97	C	M			+	C			+							R		R	R		F												r							r

Notes: Abundance: A = abundant, C = common, F = few, R = rare, B = barren, + = present, r = reworked. Preservation: G = good, M = moderate, P = poor. MIS = marine isotope stage (per Wei, 1993; Sato et al., 1999).

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