Table
T5. List of planktonic foraminifer and calcareous nannofossil highest
and lowest occurrences in Unit I.
interval (cm)
Subzone
(mbsf)
(Ma)
Epoch
192-1185A-
upper
Eocene
2R-1,
1
Highest
sample
250.60
2R-1,
1
HO
C.
consuetus
NP19
250.60
2R-CC
HO
G.
cerroazulensis
P17
253.22
33.8
3R-1,
30
HO
S.
radians
NP19
260.50
3R-CC
HO
C.
reticulatus
NP19
262.21
35.0
3R-CC
LO
G.
ampliapertura
P16
262.21
3R-CC
LO
G.
euapertura
P16
262.21
4R-1,
25
HO
S.
intercalaris
NP18
270.05
5R-1,
26
HO
H.
lophota
NP18
279.76
5R-CC
LO
T.
increbescens
P16
281.28
5R-CC
LO
G.
angiporoides
P16
281.28
6R-1,
108
HO
C.
grandis
NP17
290.18
37.1
middle
Eocene
6R-2,
6
LO
S.
intercalaris
NP17
290.66
6R-CC
HO
G.
senni
291.27
7R-1,
91
HO
S.
obtusus
299.71
7R-CC
HO
H.
cf. bolivariana
301.82
7R-CC
LO
D.
bisectus
NP17
301.82
38.0
8R-1,
3
LO
G.
index
P12
308.43
42.9
8R-1,
8
HO
C.
solitus
NP16
308.48
40.4
8R-1,
10
LO
C.
reticulatus
NP16
308.50
42.0
8R-1,
10
Lowest
sample above basement
308.50
9R-4,
97
HO
R.
asper
322.45
93.2
Albian-Cenomanian
10R-1,
49
HO
M.
chiastius
323.09
93.5
10R-1,
49
LO
T.
exiguus
323.09
early
Albian
192-1185B-
2R-1,
40
Highest
sample
308.40
middle
Eocene
2R-1,
40
HO
C.
solitus
NP16
308.40
40.4
2R-1,
146
HO
G.
micra
309.46
2R-1,
149
LO
C.
reticulatus
NP16
309.49
42.0
2R-1,
149
Lowest
sample above basement
309.49
4R-2,
42
HO
R.
asper
321.12
93.2
Albian-Cenomanian
4R-2,
42
HO
M.
chiastius
321.12
93.5
4R-3,
58
LO
P.
columnata
322.78
112.3
Aptian
Notes: shaded = planktonic foraminifer, unshaded = calcareous nannofossil. HO = highest occurrence, LO = lowest occurrence. Ages are from Berggren et al. (1995). This table is also available in ASCII format.