Table T9. Relative abundance of selected diatom taxa, sponge spicules, and silicoflagellates, Hole 1171D.

Core, section
interval (cm)
Depth
(mbsf)
Preservation
Group abundance
Actinoptychus senarius
Actinoptychus spp.
Arachnodiscus oamaruensis
Asteromphalus spp.
Chaetoceros resting spores
Cocconeis spp.
Coscinodiscus oculus-iridis
Coscinodiscus rhombicus
Coscinodiscus spp.
Hemiaulus spp.
Paralia sulcata var. crenulata
Podosira spp.
Pyxilla fragments
Rocella gelida
Rocella gelida var. schraderi
Rocella vigilans
Rossiella spp.
Sceptroneis spp.
Stephanopyxis grunowii
Stephanopyxis turris
Synedra jouseana
Triceratium morlandii
Triceratium pulvinar
Triceratium spp.
Xanthiopyxis spp.
Silicoflagellate tests
Sponge spicules
189-1171D-





























1R-CC, 15-20 250.27 G A

R


R
D



A A C C
C C A
C


A
2R-CC, 17-22 260.68 G A


A


R C
R

A A F R
C C A



A A
3R-CC, 14-19 271.34 M C C
R
C
F
C C C A C



F C C

R F A F A
4R-CC, 15-20 280.59 P C

R




R
A A





A A
R R
C F A
5R-CC, 15-20 287.53 P R





R
R

R R




R R





T
6R-CC, 7-12 295.26 P F








R

F




F F




T F
7R-CC, 15-20 302.30 P C R


R R C


R
A




C D


R A R
8R-CC, 0-5 307.84 P C C




F


A
A



R R R



R
F
9R-CC, 12-17 318.77 P C R


A



C

A




C C



R
F
10R-CC, 12-17 330.78 P C



C


R C C
A




C C


R

C
11R-CC, 12-13 334.02 P C

F




R
F
R




C F




F
12R-CC, 11-13 343.61 P T


























13R-CC, 8-11 353.28 P T


























14R-CC, 16-21 363.28 MP F

R




F

















15R-CC, 20-25 374.35 MP F





R
R R

R













16R-CC, 18-23 385.18 M T







R








R







17R-CC, 24-29 398.40 M F








R

R




F







18R-CC, 0-3 401.20 MP R

















R







19R-CC, 0-5 417.63 P T







R
















T
20R-CC, 6-12 428.65 M T







R

















21R-CC, 32-38 430.32 M R







R








R







22R-CC, 12-17 448.84 P T











R













23R-CC, 10-16 453.57
B


























24R-CC, 29-34 464.32 P T







R








R






T
25R-CC, 0-5 476.81 P T







T








R






T
26R-CC, 15-20 487.98 P T


















R





T
27R-CC, 7-12 497.45
B


























28R-CC, 5-10 505.73
B


























29R-CC, 13-18 516.79 P T


























30R-CC, 12-17 524.58 P T


























31R-CC, 28-33 533.73 P T

















R







32R-CC, 0-5 543.96 P T







T








T







33R-CC, 0-5 555.02 P F







F








R







34R-CC, 0-5 564.79
T







R

















35R-CC, 7-12 573.86
B







R

















36R-CC, 13-18 584.10 P T

























T

Notes: Preservation: G = good, M = moderate, MP = moderate-poor, P = poor. Abundance: D = dominant, A = abundant, C = common, F = few, R = rare, T = trace, B = barren.