Table 1. Distribution of calcareous nannofossils in Hole 1017E during the last 27 k.y.

Table 1. Distribution of calcareous nannofossils in Hole 1017E during the last 27 k.y.

Core, section, interval (cm)

Depth (mbsf)
Preservation Abundance (no. coccolith x 10⁷ g^-1 sed.) Braarudosphaera bigelowi Calcidiscus leptoporus Calciosolenia murrayi Ceratolithus cristatus Coccolithus pelagicus Emiliania huxleyi Florisphaera profunda Gephyrocapsa caribbeanica Gephyrocapsa muellerae Gephyrocapsa oceanica Gephyrocapsa spp. (small) < 2.5 µm Helicosphaera carteri Helicosphaera wallichii Oolithotus fragilis Reticulofenestra producta Reticulofenestra spp. (small) < 2.5 µm Rhabdosphaera clavigera Syracosphaera pulchra Umbellosphaera irregularis Umbilicosphaera sibogae

167-1017E-

1H-1, 0-3 0.01 M 6.1
C

C A C R F C R F

C
VR

VR

1H-1, 6-9 0.07 M 4.9
C

F A C VR F C F F

F VR
VR VR

1H-1, 12-15 0.13 M 4.7
C
VR C C C
C C F F

R

VR

1H-1, 18-21 0.19 M

C
VR F C C
R C C F

F

VR VR

1H-1, 24-27 0.24 G 5.9
C

F C C
F C C F

F

R

1H-1, 30-33 0.30 G 6.6
C
VR F C C
F C F F

F VR
V
VR

1H-1, 36-39 0.36 M 8.5
C

F C C
R C F F
VR F R VR VR

1H-1, 42-45 0.42 M 6.3
C
VR F C C
C C F F

F R
VR VR

1H-1, 48-51 0.47 M 7.3
C
VR F C C
F C F F

R VR VR

VR

1H-1, 54-57 0.53 M 7.1
C
VR F C C
F C C F

F F
VR
VR

1H-1, 60-63 0.59 M 6.2
C
VR F C C
F C C F

R F F
VR VR

1H-1, 66-69 0.65 M 4.6
C
VR F C C
F C F F

R VR

1H-1, 72-75 0.70 M 6.4
C
VR F C C
F C C F
VR R R VR VR

1H-1, 78-81 0.76 M 7.1
C
VR F C C VR F F C F

F
R VR
VR

1H-1, 84-87 0.82 M 11.4
C
VR R C C VR C C F F

R R R
VR VR

1H-1, 90-93 0.88 G 8.7
F
VR F C C
C C C F

F F VR

VR

1H-1, 96-99 0.93 G 9.9
C

VR C A
C C C F
VR R F VR

1H-1, 102-105 0.99 G 9.4
C
VR F C C
C F C F
VR R F R VR VR

1H-1, 108-111 1.05 M 11.5
C

F C C
C C F F
VR F R VR

VR

1H-1, 114-117 1.11 M 9.4
C
R F C C
C F C C

R F F VR

1H-1, 120-123 1.16 G 12.4
F
VR VR C C
C F C F

F R F VR
VR

1H-1, 126-129 1.22 G 8.1
F

R C C VR C F C F

F F R

1H-1, 132-135 1.28 G 8.8
F

F C C
C C C F

F
R

VR

1H-1, 138-141 1.34 G 7.5
F
R R C C
C F C C

VR R R
VR

1H-1, 144-147 1.39 G 9.0
F VR R R C C
C F C F VR
R
R VR VR VR

1H-2, 0-3 1.45 G 10.6
F
R F C C
C F C F

VR
F VR

1H-2, 6-9 1.51 G 14.2
F
VR VR C C
C C C F

R F R VR
VR

1H-2, 12-15 1.57 G 22.9
F
R VR A C
C C C F
R
R F
VR

1H-2, 18-21 1.62 M 16.0
F

R C C
C C C F

VR F F R

1H-2, 24-27 1.68 G 10.1
F
VR R C C
C C C F

F F

VR

1H-2, 30-33 1.74 G 13.7
F

VR C C
F C C F

VR R F VR
VR

1H-2, 36-39 1.80 G 15.7
C

R C C
C C C F

VR R R VR

1H-2, 42-45 1.85 G 19.8
F
VR R C F VR C C C F

F VR VR

1H-2, 48-51 1.91 G 20.1
F
VR R C F
C C C F

VR R F VR VR

1H-2, 54-57 1.97 G 17.8
F

R C F
C C C F

R F VR VR

1H-2, 60-63 2.03 G 21.1
F
VR R C C
C C C F
VR
VR F VR VR

1H-2, 66-69 2.08 G 23.2
F

F C F
A C C F

R F VR
VR

1H-2, 72-75 2.14 G 42.1
R
VR F C F
A C F VR

VR VR R R

1H-2, 78-81 2.20 G 46.4
R

R C F
C C C F VR VR VR VR F F R VR

1H-2, 84-87 2.26 G 24.9
F VR
R C C
A C C VR

VR VR F R

1H-2, 90-93 2.31 G 8.9
VR VR

C C
C C F R

R F F
R

1H-2, 96-99 2.37 G 34.3
VR VR VR F C C
C C C F
VR VR VR F R R

1H-2, 102-105 2.43 M 6.3
R

F C C
A C C VR

VR VR R VR

1H-2, 108-111 2.49 M 7.8
F

F C C
A C C VR

R R VR VR

1H-2, 114-117 2.54 M 7.8
F

F C C
A C C R

VR VR F VR

1H-2, 120-123 2.60 G 8.8
F

F C C
A C C R

R F F VR

1H-2, 126-129 2.66 G 6.2
F

VR C C
A C C R

VR R F

VR

1H-2, 132-135 2.72 G 16.6
R
VR F C C
C C C F
VR

R R VR VR

1H-2, 138-141 2.77 G 17.9
F

R C C
C C F F

VR
VR
R

1H-2, 144-147 2.83 G 22.4
F

F C C
C C C F

R VR VR VR VR

1H-3, 0-3 2.89 G 12.5
R
VR R C C
C C F F
VR VR R F R

1H-3, 6-9 2.95 G 21.6
F

VR C C
C C F R VR
VR R R
R

1H-3, 12-15 3.00 G 13.7 VR R
R F C C
C C F F

VR VR R R VR VR

1H-3, 18-21 3.06 M 9.3
R
VR F C C
C C F R

VR
VR

1H-3, 24-27 3.12 G 11.1
VR

F C C
D C C R

R VR VR VR

1H-3, 30-33 3.18 G 12.0
VR

F C F VR D F C R

VR VR VR

1H-3, 36-39 3.23 G 7.6
VR

F C C
D F F

VR F VR VR

1H-3, 42-45 3.29 G 11.7

F C F
D F F VR

VR
VR

1H-3, 48-51 3.35 G 10.7
VR

F C F
D F F R

VR VR VR VR

1H-3, 54-57 3.41 G 16.7
VR

F C F
D F F VR

VR F VR
VR

1H-3, 60-63 3.46 G 15.3
VR

F C F
D F F

VR VR VR

1H-3, 66-69 3.52 G 16.8
R

F C F
D R F VR

R R VR

1H-3, 72-75 3.58 G 27.9

VR
F C F
D F F F

VR R

1H-3, 84-87 3.69 G 8.4
VR

R C F
D F C VR

VR
VR

1H-3, 90-93 3.75 G 14.7
VR

R C C
D F F

VR R VR

1H-3, 96-99 3.81 G 12.6
VR

F C C
D F C R

VR R

1H-3, 102-105 3.87 G 14.6
VR

R C F VR D F F R

VR
VR VR

1H-3, 108-111 3.92 G 9.6

F C F VR D F C R

VR

1H-3, 114-117 3.98 G 21.7
VR

F C F VR A F C R

VR VR VR

1H-3, 120-123 4.04 G 13.9
VR

F C F
D F F R
VR
VR VR
VR

1H-3, 126-129 4.10 G 11.7

F C F VR D F C F

VR

1H-3, 132-135 4.15 G 14.1
VR

F F F
D F C F

R VR

1H-3, 138-141 4.21 G 7.9
F

C C F
A C F R

VR VR

1H-3, 144-147 4.27 G 12.4

F C F
D F C R

F VR

1H-4, 0-3 4.33 G 6.9
R

F C F VR A C C VR

R F

1H-4, 6-9 4.38 G 9.1
R

R C F
D F F VR

R
VR

1H-4, 12-15 4.44 G 8.6

VR
F C F
D F C VR

F VR

1H-4, 18-21 4.50 G 9.7
R

F C C
A F C VR

VR F VR VR

1H-4, 24-27 4.56 G 10.7

F C F
D F F VR

VR F

1H-4, 30-33 4.61 G 8.2
R

F C F
A R C

R R

1H-4, 36-39 4.67 G 8.9
R

F A C
A F F VR

F R VR

1H-4, 42-45 4.73 G 6.5
VR

C C C
A F C R

VR F VR VR

1H-4, 48-51 4.78 G 8.9

F C C
A F F VR

VR F F VR

1H-4, 54-57 4.84 G 12.3
VR

F C C
A R F VR

F VR VR

1H-4, 60-63 4.90 G 3.0
VR

A C C
C F F R

VR
VR

1H-4, 66-69 4.96 M 6.6
VR

C C C
A F C F

F

1H-4, 72-75 5.01 M 3.6
VR

C C C
C F F F

VR F VR
VR

1H-4, 78-81 5.07 G 16.6

F C F
A F F R

F VR

1H-4, 84-87 5.13 G 13.2
VR

F A F VR A F F F

VR F R VR VR

1H-4, 90-93 5.19 G 14.0

F C F VR A R F F

VR F VR VR

1H-4, 96-99 5.24 G 11.0

F C C VR A F F VR

VR

1H-4, 102-105 5.30 G 15.6

F C F VR A F F VR

VR F
VR

1H-4, 108-111 5.36 G 15.8

F C C
A F F

R F VR

1H-4, 114-117 5.42 G 6.2

C C F
A F C R

F R

1H-CC, 0-3 5.47 M 7.9
VR

C C F VR A R C VR

VR C

1H-CC, 6-9 5.52 G 7.4

C C F
A F F VR

VR C VR

1H-CC, 12-15 5.58 G 6.2
VR

C C F
A F F

VR C R

1H-CC, 18-21 5.64 M 7.7

C A F
C F F

R
F

Note: G = good preservation, M = moderately good preservation, D = dominant, A = abundant, C = common, F = few, R = rare, VR = very rare.

Core, section, interval (cm)	Depth (mbsf)	Preservation	Abundance (no. coccolith x 10⁷ g^-1 sed.)	Braarudosphaera bigelowi	Calcidiscus leptoporus	Calciosolenia murrayi	Ceratolithus cristatus	Coccolithus pelagicus	Emiliania huxleyi	Florisphaera profunda	Gephyrocapsa caribbeanica	Gephyrocapsa muellerae	Gephyrocapsa oceanica	Gephyrocapsa spp. (small) < 2.5 µm	Helicosphaera carteri	Helicosphaera wallichii	Oolithotus fragilis	Reticulofenestra producta	Reticulofenestra spp. (small) < 2.5 µm	Rhabdosphaera clavigera	Syracosphaera pulchra	Umbellosphaera irregularis	Umbilicosphaera sibogae
167-1017E-
1H-1, 0-3	0.01	M	6.1		C			C	A	C	R	F	C	R	F			C		VR			VR
1H-1, 6-9	0.07	M	4.9		C			F	A	C	VR	F	C	F	F			F	VR		VR	VR
1H-1, 12-15	0.13	M	4.7		C		VR	C	C	C		C	C	F	F			R			VR
1H-1, 18-21	0.19	M			C		VR	F	C	C		R	C	C	F			F				VR	VR
1H-1, 24-27	0.24	G	5.9		C			F	C	C		F	C	C	F			F			R
1H-1, 30-33	0.30	G	6.6		C		VR	F	C	C		F	C	F	F			F	VR		V		VR
1H-1, 36-39	0.36	M	8.5		C			F	C	C		R	C	F	F		VR	F	R	VR	VR
1H-1, 42-45	0.42	M	6.3		C		VR	F	C	C		C	C	F	F			F	R		VR	VR
1H-1, 48-51	0.47	M	7.3		C		VR	F	C	C		F	C	F	F			R	VR	VR			VR
1H-1, 54-57	0.53	M	7.1		C		VR	F	C	C		F	C	C	F			F	F		VR		VR
1H-1, 60-63	0.59	M	6.2		C		VR	F	C	C		F	C	C	F			R	F	F		VR	VR
1H-1, 66-69	0.65	M	4.6		C		VR	F	C	C		F	C	F	F				R	VR
1H-1, 72-75	0.70	M	6.4		C		VR	F	C	C		F	C	C	F		VR	R	R	VR	VR
1H-1, 78-81	0.76	M	7.1		C		VR	F	C	C	VR	F	F	C	F			F		R	VR		VR
1H-1, 84-87	0.82	M	11.4		C		VR	R	C	C	VR	C	C	F	F			R	R	R		VR	VR
1H-1, 90-93	0.88	G	8.7		F		VR	F	C	C		C	C	C	F			F	F	VR			VR
1H-1, 96-99	0.93	G	9.9		C			VR	C	A		C	C	C	F		VR	R	F	VR
1H-1, 102-105	0.99	G	9.4		C		VR	F	C	C		C	F	C	F		VR	R	F	R	VR	VR
1H-1, 108-111	1.05	M	11.5		C			F	C	C		C	C	F	F		VR	F	R	VR			VR
1H-1, 114-117	1.11	M	9.4		C		R	F	C	C		C	F	C	C			R	F	F	VR
1H-1, 120-123	1.16	G	12.4		F		VR	VR	C	C		C	F	C	F			F	R	F	VR		VR
1H-1, 126-129	1.22	G	8.1		F			R	C	C	VR	C	F	C	F				F	F	R
1H-1, 132-135	1.28	G	8.8		F			F	C	C		C	C	C	F			F		R			VR
1H-1, 138-141	1.34	G	7.5		F		R	R	C	C		C	F	C	C				VR	R	R		VR
1H-1, 144-147	1.39	G	9.0		F	VR	R	R	C	C		C	F	C	F	VR		R		R	VR	VR	VR
1H-2, 0-3	1.45	G	10.6		F		R	F	C	C		C	F	C	F			VR		F	VR
1H-2, 6-9	1.51	G	14.2		F		VR	VR	C	C		C	C	C	F			R	F	R	VR		VR
1H-2, 12-15	1.57	G	22.9		F		R	VR	A	C		C	C	C	F		R		R	F		VR
1H-2, 18-21	1.62	M	16.0		F			R	C	C		C	C	C	F			VR	F	F	R
1H-2, 24-27	1.68	G	10.1		F		VR	R	C	C		C	C	C	F				F	F			VR
1H-2, 30-33	1.74	G	13.7		F			VR	C	C		F	C	C	F			VR	R	F	VR		VR
1H-2, 36-39	1.80	G	15.7		C			R	C	C		C	C	C	F			VR	R	R	VR
1H-2, 42-45	1.85	G	19.8		F		VR	R	C	F	VR	C	C	C	F				F	VR	VR
1H-2, 48-51	1.91	G	20.1		F		VR	R	C	F		C	C	C	F			VR	R	F	VR	VR
1H-2, 54-57	1.97	G	17.8		F			R	C	F		C	C	C	F				R	F	VR	VR
1H-2, 60-63	2.03	G	21.1		F		VR	R	C	C		C	C	C	F		VR		VR	F	VR	VR
1H-2, 66-69	2.08	G	23.2		F			F	C	F		A	C	C	F				R	F	VR		VR
1H-2, 72-75	2.14	G	42.1		R		VR	F	C	F		A	C	F	VR			VR	VR	R	R
1H-2, 78-81	2.20	G	46.4		R			R	C	F		C	C	C	F	VR	VR	VR	VR	F	F	R	VR
1H-2, 84-87	2.26	G	24.9		F	VR		R	C	C		A	C	C	VR			VR	VR	F	R
1H-2, 90-93	2.31	G	8.9		VR	VR			C	C		C	C	F	R			R	F	F		R
1H-2, 96-99	2.37	G	34.3		VR	VR	VR	F	C	C		C	C	C	F		VR	VR	VR	F	R	R
1H-2, 102-105	2.43	M	6.3		R			F	C	C		A	C	C	VR			VR	VR	R	VR
1H-2, 108-111	2.49	M	7.8		F			F	C	C		A	C	C	VR			R	R	VR	VR
1H-2, 114-117	2.54	M	7.8		F			F	C	C		A	C	C	R			VR	VR	F	VR
1H-2, 120-123	2.60	G	8.8		F			F	C	C		A	C	C	R			R	F	F	VR
1H-2, 126-129	2.66	G	6.2		F			VR	C	C		A	C	C	R			VR	R	F			VR
1H-2, 132-135	2.72	G	16.6		R		VR	F	C	C		C	C	C	F		VR			R	R	VR	VR
1H-2, 138-141	2.77	G	17.9		F			R	C	C		C	C	F	F			VR		VR		R
1H-2, 144-147	2.83	G	22.4		F			F	C	C		C	C	C	F			R	VR	VR	VR	VR
1H-3, 0-3	2.89	G	12.5		R		VR	R	C	C		C	C	F	F		VR	VR	R	F	R
1H-3, 6-9	2.95	G	21.6		F			VR	C	C		C	C	F	R	VR		VR	R	R		R
1H-3, 12-15	3.00	G	13.7	VR	R		R	F	C	C		C	C	F	F			VR	VR	R	R	VR	VR
1H-3, 18-21	3.06	M	9.3		R		VR	F	C	C		C	C	F	R			VR		VR
1H-3, 24-27	3.12	G	11.1		VR			F	C	C		D	C	C	R				R	VR	VR	VR
1H-3, 30-33	3.18	G	12.0		VR			F	C	F	VR	D	F	C	R				VR	VR	VR
1H-3, 36-39	3.23	G	7.6		VR			F	C	C		D	F	F					VR	F	VR	VR
1H-3, 42-45	3.29	G	11.7					F	C	F		D	F	F	VR			VR		VR
1H-3, 48-51	3.35	G	10.7		VR			F	C	F		D	F	F	R			VR	VR	VR	VR
1H-3, 54-57	3.41	G	16.7		VR			F	C	F		D	F	F	VR			VR	F	VR		VR
1H-3, 60-63	3.46	G	15.3		VR			F	C	F		D	F	F				VR	VR	VR
1H-3, 66-69	3.52	G	16.8		R			F	C	F		D	R	F	VR			R	R	VR
1H-3, 72-75	3.58	G	27.9			VR		F	C	F		D	F	F	F			VR	R
1H-3, 84-87	3.69	G	8.4		VR			R	C	F		D	F	C	VR				VR		VR
1H-3, 90-93	3.75	G	14.7		VR			R	C	C		D	F	F				VR	R	VR
1H-3, 96-99	3.81	G	12.6		VR			F	C	C		D	F	C	R				VR	R
1H-3, 102-105	3.87	G	14.6		VR			R	C	F	VR	D	F	F	R			VR		VR	VR
1H-3, 108-111	3.92	G	9.6					F	C	F	VR	D	F	C	R					VR
1H-3, 114-117	3.98	G	21.7		VR			F	C	F	VR	A	F	C	R				VR	VR	VR
1H-3, 120-123	4.04	G	13.9		VR			F	C	F		D	F	F	R		VR		VR	VR		VR
1H-3, 126-129	4.10	G	11.7					F	C	F	VR	D	F	C	F					VR
1H-3, 132-135	4.15	G	14.1		VR			F	F	F		D	F	C	F						R	VR
1H-3, 138-141	4.21	G	7.9		F			C	C	F		A	C	F	R			VR	VR
1H-3, 144-147	4.27	G	12.4					F	C	F		D	F	C	R				F	VR
1H-4, 0-3	4.33	G	6.9		R			F	C	F	VR	A	C	C	VR				R	F
1H-4, 6-9	4.38	G	9.1		R			R	C	F		D	F	F	VR			R		VR
1H-4, 12-15	4.44	G	8.6			VR		F	C	F		D	F	C	VR				F	VR
1H-4, 18-21	4.50	G	9.7		R			F	C	C		A	F	C	VR			VR	F	VR	VR
1H-4, 24-27	4.56	G	10.7					F	C	F		D	F	F	VR			VR	F
1H-4, 30-33	4.61	G	8.2		R			F	C	F		A	R	C				R	R
1H-4, 36-39	4.67	G	8.9		R			F	A	C		A	F	F	VR				F	R	VR
1H-4, 42-45	4.73	G	6.5		VR			C	C	C		A	F	C	R			VR	F	VR	VR
1H-4, 48-51	4.78	G	8.9					F	C	C		A	F	F	VR			VR	F	F	VR
1H-4, 54-57	4.84	G	12.3		VR			F	C	C		A	R	F	VR				F	VR	VR
1H-4, 60-63	4.90	G	3.0		VR			A	C	C		C	F	F	R			VR		VR
1H-4, 66-69	4.96	M	6.6		VR			C	C	C		A	F	C	F				F
1H-4, 72-75	5.01	M	3.6		VR			C	C	C		C	F	F	F			VR	F	VR		VR
1H-4, 78-81	5.07	G	16.6					F	C	F		A	F	F	R				F	VR
1H-4, 84-87	5.13	G	13.2		VR			F	A	F	VR	A	F	F	F			VR	F	R	VR	VR
1H-4, 90-93	5.19	G	14.0					F	C	F	VR	A	R	F	F			VR	F	VR	VR
1H-4, 96-99	5.24	G	11.0					F	C	C	VR	A	F	F	VR				VR
1H-4, 102-105	5.30	G	15.6					F	C	F	VR	A	F	F	VR			VR	F		VR
1H-4, 108-111	5.36	G	15.8					F	C	C		A	F	F				R	F	VR
1H-4, 114-117	5.42	G	6.2					C	C	F		A	F	C	R				F	R
1H-CC, 0-3	5.47	M	7.9		VR			C	C	F	VR	A	R	C	VR			VR	C
1H-CC, 6-9	5.52	G	7.4					C	C	F		A	F	F	VR			VR	C	VR
1H-CC, 12-15	5.58	G	6.2		VR			C	C	F		A	F	F				VR	C	R
1H-CC, 18-21	5.64	M	7.7					C	A	F		C	F	F				R		F