Table T13. Distribution of diatoms, Hole 1240A.
Core, section, interval (cm)
Depth (mbsf)
Depth (mcd)
Identification
Method
Abundance
Preservation
Actinocyclus ellipticus
Actinocyclus ellipticus v. lanceolata
Actinocyclus spp.
Actinoptychus senarius
Asteromphalus spp.
Azpeitia nodulifera
Chaetoceros spp. (resting spores)
Coscinodiscus spp.
Diploneis bombus
Fragilariopsis doliolus
Hemidiscus cuneiforms
Nitzsichia cylindrica
Nitzsichia marina
Nitzsichia miocenica
Nitzsichia reinholdii
Nitzschia fossilis
Nitzschia jousea
Paralia sulcata
Rhizosolenia spp.
Rhizosolenia matuyama
Rhizosolenia praebergonii robusta
Rhizosolenia praebergonii
Rossiela paleacea
Stephanopyxis spp.
Thalassionema spp.
Thalassionema convexa
Thalassionema convexa aspinosa
Thalassionema miocenica
Thalassionema oestrupii
Thalassiosira spp.
Thalassiothrix spp.
Remarks
202-1240A-





































Mudline 0.00 0.00 PAL S C M-G

R

F


F F
F




R




F-C


F R F
1H-CC, 11 3.52 3.52 PAL S VA M-G

R F R F
F
F F
F T



R




C-A


F F F
2H-CC, 14 12.62 13.97 PAL S C-A M-G


R T F


F T
T




T




A


F-C F F Reworked late Miocene forms
3H-CC, 11 22.84 24.79 PAL S C M-G T


T F
T
F F
T T T T

F




F


F-C R F Reworked late Miocene forms
4H-CC, 8 32.27 36.37 PAL S C M-G


T
F
T
F F
T

R

R




R



R F
5H-CC, 15 41.92 47.22 PAL S C-A M-G


R


F
F

T T
R

F T



R


F T R
6H-CC, 11 51.33 59.73 PAL S A M-G


R
F
R
F T
R

R

R R-F



F


F
F
7H-CC, 22 60.95 68.40 PAL S C-A M-G




R
R
F R
T
R-F R-F

F F



F


F
F
8H-CC, 14 70.21 80.55 PAL S A M-G

F
R F


T F
R-F
F F


F T


F


R-F
F Reworked late Miocene forms
9H-4, 75 75.27 84.42 PAL S F-C M

T
R F


F

R

F

F




F-C


F
F-C
9H-5, 75 76.78 85.93 PAL S F M-P


R
F
T
R

R

F

R




F




F-C Reworked late Miocene forms
9H-6, 75 78.29 87.44 PAL S F M-P



R F



F
F
F


F
R
T
F R

F F F
9H-CC, 14 79.97 89.12 PAL S C-A M-G


F
F



F


F


F




C R


F C-A
10H-CC, 9 88.73 98.63 PAL S C M




F
R

F

















F F
11H-2, 75 91.13 101.30 PAL S C M




F



F
F










F


F F F
11H-3, 75 92.64 102.81 PAL S C-A M



T F



T
R-F F R-F F

F
T

R R T
R F
F-C
11H-CC, 8 98.82 108.99 PAL S C-A M-C































12H-CC, 14 108.09 120.54 PAL S C M

R F F F


R F


R F

F

F

F-C


F F F-C
13H-CC, 17 117.95 130.80 PAL S F-C P-M


F
F-C
R
T-R F

T F


F

F

F


F F F Reworked late Miocene forms
14H-CC, 18 127.45 140.60 PAL S F-C P-M R
R F
F-C



F
R-F
F F

F

R

F


F F F Reworked late Miocene forms
15H-1, 10 127.10 142.10 PAL S F-C M

R-F F
F
R

F
F T F


R

F

F

T F F-C F
15H-1, 13 127.13 142.13 PAL S C M-G

R-F F R F
R-F

F
F

F

F

F

F R-F


F-C F
15H-2, 135 129.86 144.86 PAL S F G

R-F
R F
R-F

F
F

F

F

F

F R-F

F F-C F Thalassiothrix ooze
15H-2, 139 129.90 144.90 PAL S F M-G

R

F-C
R

F T

F F




F

F-C F-C F
F F F Thalassiothrix ooze
15H-CC, 21 136.94 151.94 PAL S F-C P-M


R
F-C



F T
T F F

F

F

F F-C

F F F
16H-CC, 34 146.53 163.03 PAL S C M-G T

R
F



F
T






F


F




F Reworked late Miocene forms
17H-CC, 21 155.99 174.04 PAL S A M
R


F



F
F






F


F F

F
F
18H-CC, 40 165.58 184.54 PAL S C G


F F F F F T C R
F T


T F



F C T T
F F-C F Thalassionema-Thalassiothrix rich, reworked late Miocene forms
19H-4, 75 170.25 190.62 PAL S F-C G T


T F F T
T R
R-F T R-F F

R



R R


F F F
19H-6, 75 173.25 193.64 PAL S F-C M


R R F F R
F F
F
F F

R-F

F
R F


F F F Reworked late Miocene forms
19H-7, 40 174.40 194.80 PAL S F-C M

R F
F F R

F T F
F F

F

F

F
T
F F F
19H-CC, 20 174.84 195.24 PAL S F-C M-G

R R
A R R
F F
R-F




R-F




VA


F F
Thalassionema-Thalassiothrix rich, reworked late Miocene forms
20H-CC, 22 184.40 205.92 PAL S C-A M-G


F
F R R
F

F




F



R C


F F-C
Reworked late Miocene forms
21H-CC, 12 193.74 215.29 PAL S F-C M-G T
F R
F R F
F R-F
F
T


R



R C-A


F F-C
Reworked late Miocene forms
22H-CC, 20 203.46 224.97 PAL S C-A M-G


F
F R




F R
F R
F

F

F


F F F Reworked late Miocene forms
23H-CC, 20 212.96 235.31 PAL S F-C G
F
F
F-C R R

F T F T



R-F

F
R F F-C


C F Reworked late Miocene forms
24H-CC, 8 222.36 245.88 PAL S C M T

R T F R-F

F R
R-F

T

F




C-A


F
F Reworked late Miocene forms
25H-CC, 21 232.01 257.18 PAL S F-C M


R-F
F R-F T
R F

T



R




R




F Reworked late Miocene forms
26H-CC, 20 241.47 268.35 PAL S C-A M-G




F T F
F R


T F

F F



F


F R F Reworked late Miocene forms
27H-CC, 31 251.09 278.67 PAL S C M





T

R R-F


T T







F


F
F Reworked late Miocene forms
28H-CC, 0 254.27 282.84 PAL S F M T
T R-F
R T T
R T
T
F F

R
R


F


F
F Reworked late Miocene forms

Notes: PAL = paleontology sample. S = smear slide. Abundance: A = abundant, C = common, M = moderate, F = few, R = rare, T = trace.