Table 3.

Table T3. Biostratigraphic events identified at Site 1120.

Event Group NZ
stage Zone
(base) Epoch Age
(Ma) Sample Depth
(mbsf)

FO Emiliania huxleyi
N
Wq
NN21
late Pleistocene
0.24
1120A-1H-2, 28-29cm
1.78

FO Globorotalia truncatulinoides
F
Wc

0.8
1120A-1H-2, 85-87cm
2.35

FO dominant Globorotalia inflata
F
Wc

0.7
1120A-1H-2, 85-87cm
2.35

LO Pseudoemiliania lacunosa
N
Wc/Wq
NN20
mid-Pleistocene
0.42
1120A-1H-3, 30-32cm
3.3

LO Globorotalia puncticuloides
F
e Wc

mid-Pleistocene
0.7
1120A-1H-3, 130-32cm
4.3

Acme Gephyrocapsa (small)
N

mid-Pleistocene
0.9-1.2
1120B-1H-CC
3.3

FO Globorotalia crassacarina
F
Wm/Wn

~2.5
1120C-1H-CC
6.6

FO Globorotalia puncticuloides
F
Wp

3.6
1120B-2H-4, 90-95 cm
6.6

FO Gephyrocapsa (small)
N

Miocene/Pliocene
~5-6
1120B-2H-CC
12.8

LO Acme Dictyococcites antarcticus
N

~5-6
1120B-2H-CC
12.8

FO Globorotalia sphericomiozea
F
m Tk

late Miocene
5.6
1120B-2H-CC
12.8

LO Globorotalia miotumida
F
m Tk

late Miocene
5.6
1120B-2H-CC
12.8

LO Simonseniella barboi
D

2
1120B-3H-2, 86-87cm
14.5

LO Hemidiscus triangula
D

5.3
1120B-3H-2, 86-87cm
14.5

FO Hemidiscus triangula
D

5.6
1120B-3H-CC
22.3

LO Rectuvigerina ongleyi
F
l Tt

late Miocene
~8
1120B-3H-CC
22.3

FO Globorotalia juanai
F
Tt/Tk

6.6
1120B-3H-CC

LO Globorotalia cf. margaritae
F

? 4.3
1120B-3H-CC
25.6

LO Hemidiscus karstenii f.1
D

5.7
1120B-4H-CC
31.8

FCO Neogloboquadrina pachyderma
F
Tt

late Miocene
9.2
1120B-4H-CC
31.8

FO Prunopyle titan
R

5.1
1120B-5H-CC
41.3

LO Globoquadrina dehiscens
F
e/l Tt

9.9
1120B-9X-CC

LO Bolboforma pentaspinosa
B

late Miocene
~7
1120B-5H-CC
41.3

LO Helotholus praevema
R

4.6
1120B-5H-CC
41.3

LO Cyrtocapsella japonica
R

late Miocene
10.11
1120B-6H-CC
50.8

Acme Cyrtocapsella japonica
R

late Miocene
10.2
1120B-7H-CC
60.3

LO Bolboforma subfragoris
B

10.5
1120B-7H-CC
60.3

LO Denticulopsis dimorpha
D

10.6
1120B-8H-CC
68.3

LO Orbulina suturalis
F
e Tt

~10.5
1120B-9X-CC
72.6

Acme Globorotalia miotumida (dextral)
F
e Tt

10.7-10.9
1120B-9X-CC
72.6

FO Bolboforma pentaspinosa
B

11.5
1120B-10X-CC
82.2

LO Coccolithus miopelagicus
N

10.5
1120B-10X-CC
82.2

LO Cycladophora humerus
R

10.5
1120B-10X-CC
82.2

FO Bolboforma subfragoris
B

11.5
1120B-10X-CC
82.2

LO C. miopelagicus
N

10.94
1120B-10X-CC
82.2

LCO Cyrtocapsella tetrapera
R

middle Miocene
12.6
1120B-11X-CC
91.8

FO Dendrospyris megalocephalis
R

12.7
1120B-11X-CC
91.8

LO Globorotalia praemenardii
F
Sl/Sw

middle Miocene
13
1120B-12X-CC
101.4

LO Globorotalia conica and G. amuria
F
Sl/Sw

middle Miocene
13
1120B-12X-CC
101.4

FO C. macintyrei
N

12.34
1120B-12X-CC
101.4

FO Orbulina universa
F
m Sl

14.5
1120B-12X-CC

FO Denticulopsis dimorpha
D

12.2
1120B-14X-3, 60-61
115

LO C. premacintyrei
N

middle Miocene
12.65
1120B-14X-CC
120.6

LO C. floridanus
N

12.65
1120B-15X-CC
130.1

FO Eucyrtidium inflatum
R

middle Miocene
12.3
1120B-16X-CC
139.8

FO Orbulina suturalis
F
Sc/Sl

middle Miocene
15.1
1120B-17X-CC
149.4

LO Praeorbulina circularis
F

middle Miocene
14.8
1120B-17X-CC
149.4

FO Praeorbulina glomerosa
F
m Sc

15.6
1120B-18X-4, 90-95

LO Sphenolithus heteromorphus
N

NN6
middle Miocene
>13.6
1120B-19X-CC
168.7

FO Globorotalia praemenardii
F
m Sc

middle Miocene
15.8
1120B-17X-CC
168.7

FO Sphenolithus heteromorphus
N

NN4

18.2
1120B-20X-CC
178.4

LO Acme Globorotalia zealandica
F
m/l Pl

early Miocene
16.7
1120B-20X-CC
178.4

LO Globorotalia praescitula
F
m/l Pl

early Miocene
16.7
1120B-20X-CC
178.4

FO Globorotalia miozea
F
m/l Pl

early Miocene
16.7
1120D-2X-1, 50-55
167.5

LO C. dissimilis
N

17.8
1120D-3X-CC
186.3

FO Eucyrtidium punctatum
R

early Miocene
17
1120D-3X-CC
186.3

FO C. leptoporus
N

18.2
1120D-3X-CC
186.3

FO C. premacintyrei
N

17.4
1120D-3X-CC
186.3

FO G. rotula
N

19.8
1120D-4X-CC
195.9

FO Globorotalia zealandica
F
e/m Pl

early Miocene
18.5
1120D-4X-CC
195.9

LO Globorotalia incognita
F
e Pl

early Miocene
18.5
1120D-5X-CC
205.5

FO Globorotalia bella
F
e Pl

early Miocene
19
1120D-5X-CC
205.5

FO Globorotalia praescitula
F
Po/Pl

early Miocene
19
1120D-6X-4, 90-95 cm
205.5

FCO Helicosphaera carteri
N

early Miocene
>19.2
1120D-6X-CC
210.1

LO R. bisecta
N

24
1120D-7X-CC
215.1

FO Globigerinoides trilobus
F
Po/Pl

early Miocene
19
1120D-7X-CC
215.1

FO Globorotalia incognita
F
m Po

early Miocene
21.6
1120D-9X-CC
220.7

Event	Group	NZ stage	Zone (base)	Epoch	Age (Ma)	Sample	Depth (mbsf)
FO Emiliania huxleyi	N	Wq	NN21	late Pleistocene	0.24	1120A-1H-2, 28-29cm	1.78
FO Globorotalia truncatulinoides	F	Wc			0.8	1120A-1H-2, 85-87cm	2.35
FO dominant Globorotalia inflata	F	Wc			0.7	1120A-1H-2, 85-87cm	2.35
LO Pseudoemiliania lacunosa	N	Wc/Wq	NN20	mid-Pleistocene	0.42	1120A-1H-3, 30-32cm	3.3
LO Globorotalia puncticuloides	F	e Wc		mid-Pleistocene	0.7	1120A-1H-3, 130-32cm	4.3
Acme Gephyrocapsa (small)	N			mid-Pleistocene	0.9-1.2	1120B-1H-CC	3.3
FO Globorotalia crassacarina	F	Wm/Wn			~2.5	1120C-1H-CC	6.6
FO Globorotalia puncticuloides	F	Wp			3.6	1120B-2H-4, 90-95 cm	6.6
FO Gephyrocapsa (small)	N			Miocene/Pliocene	~5-6	1120B-2H-CC	12.8
LO Acme Dictyococcites antarcticus	N				~5-6	1120B-2H-CC	12.8
FO Globorotalia sphericomiozea	F	m Tk		late Miocene	5.6	1120B-2H-CC	12.8
LO Globorotalia miotumida	F	m Tk		late Miocene	5.6	1120B-2H-CC	12.8
LO Simonseniella barboi	D				2	1120B-3H-2, 86-87cm	14.5
LO Hemidiscus triangula	D				5.3	1120B-3H-2, 86-87cm	14.5
FO Hemidiscus triangula	D				5.6	1120B-3H-CC	22.3
LO Rectuvigerina ongleyi	F	l Tt		late Miocene	~8	1120B-3H-CC	22.3
FO Globorotalia juanai	F	Tt/Tk			6.6	1120B-3H-CC
LO Globorotalia cf. margaritae	F				? 4.3	1120B-3H-CC	25.6
LO Hemidiscus karstenii f.1	D				5.7	1120B-4H-CC	31.8
FCO Neogloboquadrina pachyderma	F	Tt		late Miocene	9.2	1120B-4H-CC	31.8
FO Prunopyle titan	R				5.1	1120B-5H-CC	41.3
LO Globoquadrina dehiscens	F	e/l Tt			9.9	1120B-9X-CC
LO Bolboforma pentaspinosa	B			late Miocene	~7	1120B-5H-CC	41.3
LO Helotholus praevema	R				4.6	1120B-5H-CC	41.3
LO Cyrtocapsella japonica	R			late Miocene	10.11	1120B-6H-CC	50.8
Acme Cyrtocapsella japonica	R			late Miocene	10.2	1120B-7H-CC	60.3
LO Bolboforma subfragoris	B				10.5	1120B-7H-CC	60.3
LO Denticulopsis dimorpha	D				10.6	1120B-8H-CC	68.3
LO Orbulina suturalis	F	e Tt			~10.5	1120B-9X-CC	72.6
Acme Globorotalia miotumida (dextral)	F	e Tt			10.7-10.9	1120B-9X-CC	72.6
FO Bolboforma pentaspinosa	B				11.5	1120B-10X-CC	82.2
LO Coccolithus miopelagicus	N				10.5	1120B-10X-CC	82.2
LO Cycladophora humerus	R				10.5	1120B-10X-CC	82.2
FO Bolboforma subfragoris	B				11.5	1120B-10X-CC	82.2
LO C. miopelagicus	N				10.94	1120B-10X-CC	82.2
LCO Cyrtocapsella tetrapera	R			middle Miocene	12.6	1120B-11X-CC	91.8
FO Dendrospyris megalocephalis	R				12.7	1120B-11X-CC	91.8
LO Globorotalia praemenardii	F	Sl/Sw		middle Miocene	13	1120B-12X-CC	101.4
LO Globorotalia conica and G. amuria	F	Sl/Sw		middle Miocene	13	1120B-12X-CC	101.4
FO C. macintyrei	N				12.34	1120B-12X-CC	101.4
FO Orbulina universa	F	m Sl			14.5	1120B-12X-CC
FO Denticulopsis dimorpha	D				12.2	1120B-14X-3, 60-61	115
LO C. premacintyrei	N			middle Miocene	12.65	1120B-14X-CC	120.6
LO C. floridanus	N				12.65	1120B-15X-CC	130.1
FO Eucyrtidium inflatum	R			middle Miocene	12.3	1120B-16X-CC	139.8
FO Orbulina suturalis	F	Sc/Sl		middle Miocene	15.1	1120B-17X-CC	149.4
LO Praeorbulina circularis	F			middle Miocene	14.8	1120B-17X-CC	149.4
FO Praeorbulina glomerosa	F	m Sc			15.6	1120B-18X-4, 90-95
LO Sphenolithus heteromorphus	N		NN6	middle Miocene	>13.6	1120B-19X-CC	168.7
FO Globorotalia praemenardii	F	m Sc		middle Miocene	15.8	1120B-17X-CC	168.7
FO Sphenolithus heteromorphus	N		NN4		18.2	1120B-20X-CC	178.4
LO Acme Globorotalia zealandica	F	m/l Pl		early Miocene	16.7	1120B-20X-CC	178.4
LO Globorotalia praescitula	F	m/l Pl		early Miocene	16.7	1120B-20X-CC	178.4
FO Globorotalia miozea	F	m/l Pl		early Miocene	16.7	1120D-2X-1, 50-55	167.5
LO C. dissimilis	N				17.8	1120D-3X-CC	186.3
FO Eucyrtidium punctatum	R			early Miocene	17	1120D-3X-CC	186.3
FO C. leptoporus	N				18.2	1120D-3X-CC	186.3
FO C. premacintyrei	N				17.4	1120D-3X-CC	186.3
FO G. rotula	N				19.8	1120D-4X-CC	195.9
FO Globorotalia zealandica	F	e/m Pl		early Miocene	18.5	1120D-4X-CC	195.9
LO Globorotalia incognita	F	e Pl		early Miocene	18.5	1120D-5X-CC	205.5
FO Globorotalia bella	F	e Pl		early Miocene	19	1120D-5X-CC	205.5
FO Globorotalia praescitula	F	Po/Pl		early Miocene	19	1120D-6X-4, 90-95 cm	205.5
FCO Helicosphaera carteri	N			early Miocene	>19.2	1120D-6X-CC	210.1
LO R. bisecta	N				24	1120D-7X-CC	215.1
FO Globigerinoides trilobus	F	Po/Pl		early Miocene	19	1120D-7X-CC	215.1
FO Globorotalia incognita	F	m Po		early Miocene	21.6	1120D-9X-CC	220.7

Notes: N = calcareous nannofossil, F = foraminifer, D = diatom, R = radiolarian, B = bolboformid. Wq = Haweran, Wc = Castlecliffian, Wm = Mangapanian, Wn = Nukumaruan, Wp = Waipipian, Tk = Kapitean, Tt = Tongaporutuan, Sl = Lillburnian, Sw = Waiauan, Sc = Clifdenian, Pl = Altonian, Po = Otaian, e = early, m = middle, l = late. See also Figure F7 in the "Explanatory Notes" chapter.