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
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.