Table T4. Identification and abundance of diatoms observed at Site 1121.
Core, section,
interval (cm) Depth
(mbsf) Abundance of zeolites
Group abundance
Actinocyclus ingens
Actinocyclus karstenii
Arachnoidiscus sp.
Aulacodiscus sp.
Azpeitia endoi
Coscinodiscus bulliens
Coscinodiscus uralensis
Craspedodiscus sp.
Denticulopsis dimorpha
Denticulopsis hustedtii
Denticulopsis sp.
Diploneis sp.
Eucampia antarctica
Fenestrella sp.
Goniothecium sp.
Hemiaulus incurvus
Hemiaulus kristofferseni
Hemiaulus rossicus
Hemiaulus sp. 2 Fenner (1991)
Hemiaulus velatus
Hemiaulus? beatus
Hemidiscus karstenii
Hemidiscus karstenii f. 1
Hemidiscus ovalis
Hyalodiscus sp.
Nitzschia barronii
Nitzschia denticuloides
Nitzschia interfrigidaria
Nitzschia kerguelenis
Nitzschia praeinterfrigidaria
Nitzschia reinholdii
Nitzschia weaveri
Odontotropis sp.
Pterotheca aculeifera
Rhizosolenia cretacea
Rhizosolenia hebetata f. hiemalis
Rhizosolenia longispina
Rocella vigilans
Simonseniella barboi
Stellarima primalabiata
Stephanopyxis grossecellulata
Stephanopyxis hyalinomarginata
Stephanopyxis turris turris
Thalassiosira complicata
Thalassiosira elliptipora
Thalassiosira fasciculata
Thalassiosira insigna
Thalassiosira inura
Thalassiosira kolbei
Thalassiosira lentiginosa
Thalassiosira oestrupii
Thalassiosira oliverana
Thalassiosira vulnifica
Thalassiosira webbii
Triceratium mirabile
Trinacria aries
Trinacria senta
Trinacria simulacrum
181-1121B-
1H-1, 0-2
0.01
B
C
T
T
1H-1, 20-20
0.20
B
C
T
R
F
R
C
T
C
1H-1, 54-54
0.54
B
C
C
R
F
C
C
R
F
F
1H-1, 89-90
0.90
B
C
C
R
F
R
C
R
R
R
F
1H-1, 100-102
1.00
B
C
C
R
T
R
F
R
T
F
F
R
F
F
F
R
R
F
1H-1, 120-122
1.20
B
C
R
T
R
R
R
R
F
F
1H-1, 140-142
1.40
B
C
F
T
T
R
F
R
R
T
R
R
F
F
R
F
R
1H-2, 20-22
1.70
B
C
F
T
R
R
F
R
F
T
R
R
F
R
1H-2, 40-42
1.90
B
C
T
R
R
R
F
T
R
1H-2, 60-62
2.10
B
C
R
F
R
R
F
R
R
F
R
R
1H-2, 80-82
2.30
B
C
F
R
F
T
T
1H-2, 100-102
2.50
B
C
R
R
R
R
F
R
F
F
R
R
1H-2, 120-122
2.70
B
F
R
R
R
R
F
F
R
T
1H-2, 140-142
2.90
B
F
R
R
R
F
T
T
F
R
R
T
R
1H-7, 72-72
9.52
D
B
1H-CC, 6-8
9.76
C
T
1H-CC, 11-22
9.81
D
B
T