Proc. IODP, 303/306, Site U1307

Table T3. Distribution of calcareous nannofossils, Hole U1307A.

Core, section, interval (cm)	Age (Ma)	Abundance	Preservation	Calcidiscus leptoporus	Calcidiscus macintyrei	Ceratolithus cristatus	Coccolithus streckerii	Coccolithus pelagicus	Cyclolithella annula	Discoaster asymmetricus	Discoaster brouweri	Discoaster pentaradiatus	Discoaster surculus	Discoaster tamalis	Discoaster variabilis	Discoaster spp.	Discolithina japonica	Discolithina spp.	Emiliania huxleyi	Gephyrocapsa caribbeanica	Gephyrocapsa oceanica	Gephyrocapsa parallela	Gephyrocapsa spp. (small)	Helicosphaera carteri	Helicosphaera sellii	Pseudoemiliania lacunosa	Reticulofenestra asanoi	Reticulofenestra ampla	Reticulofenestra spp. (small)	Rhabdosphaera clavigera	Syracosphaera pulchra	Umbilicosphaera sibogae	Reworked species			Nannofossil datum age (Ma)
Core, section, interval (cm)	Age (Ma)	Abundance	Preservation	Calcidiscus leptoporus	Calcidiscus macintyrei	Ceratolithus cristatus	Coccolithus streckerii	Coccolithus pelagicus	Cyclolithella annula	Discoaster asymmetricus	Discoaster brouweri	Discoaster pentaradiatus	Discoaster surculus	Discoaster tamalis	Discoaster variabilis	Discoaster spp.	Discolithina japonica	Discolithina spp.	Emiliania huxleyi	Gephyrocapsa caribbeanica	Gephyrocapsa oceanica	Gephyrocapsa parallela	Gephyrocapsa spp. (small)	Helicosphaera carteri	Helicosphaera sellii	Pseudoemiliania lacunosa	Reticulofenestra asanoi	Reticulofenestra ampla	Reticulofenestra spp. (small)	Rhabdosphaera clavigera	Syracosphaera pulchra	Umbilicosphaera sibogae	Reticulofenestra pseudoumbilicus	Eiffellithus eximius	Watznaueria barnesae	Nannofossil datum age (Ma)
303-U1307A-
1H-CC	0~0.25	F	M	+			+	R											+		+	+	R	+
2H-CC	0.41~0.85	A	G	+				+										+	?		F	R	C	R		+			+
3H-CC	0.41~0.85	F	M	+																	R	R	R	+		F						+
4H-CC	0.41~0.85	F	M	R				R										+			R	R	F			F			+					r	r
5H-1, 10–11	0.85~0.95	C	G	R													F	+			C	C	A	R		F	A		R
5H-2, 10–11	0.85~0.95	C	M	C													F	R			F	F	A	F		R	C
5H-3, 10–11	?	B
5H-4, 10–11	?	B
5H-5, 10–11	?	B
5H-6, 10–11	0.95~1.16	F	M	F														+					F	R		C	F		C
5H-7, 10–11	0.95~1.16	C	M	F													+						+	+		C	R		A	+	+
5H-CC	0.95~1.16	F	M	R														+					+	R		F	R		R		+	+
6H-1, 10–11	0.95~1.16	F	M																				+	R		F	R		C		R
6H-2, 10–11	?	B
6H-CC	1.16~1.21	R	P																				+	+					+
7H-1, 10–11	1.16~1.21	C	M	C				C									+									C			A			+
7H-2, 10–11	?	B
7H-3, 10–11	?	B
7H-4, 10–11	?	B
7H-5, 10–11	1.45~1.65	R	M	+													+				R	R	F			C			C
7H-6, 10–11	1.45~1.65	B
7H-CC	1.45~1.65	B
8H-1, 10–11	1.45~1.65	B
8H-2, 10–11	1.45~1.65	R	P	R																C	C		R		+	R			C
8H-3, 10–11	1.45~1.65	F	M	R				C									+			F	R		F	+	R	R			C
8H-4, 10–11	1.45~1.65	B
8H-5, 10–11	1.45~1.65	B
8H-6, 10–11	1.45~1.65	B
8H-CC	1.45~1.65	C	G	R				R										+		R	F		R	R		+			R		+
9H-CC	1.45~1.65	F	M					F												F	F		F	+		+			+
10H-CC	?	R	P	+				+																					+
11H-CC	1.73~2.74	A	G	+			F	A															+	+		+			R			+
12H-CC	?	R	P					+																					+
13H-CC	?	B
14H-CC	?	B
15H-CC	2.74~3.85	C	M	R	R	+	+	F		+	+	+	+			+									+	R		R	A	R	+		r
16H-CC	?	R	M	+	+			+																		+			+
17H-CC	2.74~3.85	A	G	R	R		+	C	+	+	+	+	+	+		+	+								R	R			A		+
18H-CC	?	R	P	+						+			+			+										+			+
19H-CC	2.74~3.85	A	M	+	R		+	A		+	+	+	+	+	+		+	+						+	+	R		+	A

Notes: Abundance: A = abundant, C = common, F = few, R = rare, B = barren, + = present, r = reworked. Preservation: G = good, M = moderate, P = poor.

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