Table T1. Abundance of silicoflagellates in selected samples, Holes 1257A, 1257B, and 1257C.
Age
Core, section,
interval
Depth
(mbsf)
Size fraction
(µm)
Number of slides examined
Corbisema apiculata
Corbisema bimucronata
Corbisema hastata
Corbisema inermis inermis
Corbisema triacantha
Dictyocha spinosa
Naviculopsis foliacea
Naviculopsis lata
Total silicoflagellates

207-1257A-
early to middle Eocene 7X-CC 54.1 Pan 2
5
4 1


10


38 2 3 11 2 2 1 2 1
19


63 2
2





2
8X-CC 63.7 Pan 2
2
2



4


38 2







0


63 2







0
9X-CC 73.3 Pan 2 0


38 2 0


63 2 0
10X-CC 83.0 Pan 2 0


38 2 0


63 2 0
late Paleocene 11X-CC 92.6 Pan 2 0


38 2 0


63 2 0
12X-CC 102.2 Pan 2 0


38 2 0


63 2 0
13X-CC 111.8 Pan 2 0


38 2 0


63 2 0
middle Eocene 207-1257B-
2R-CC 49.8 Pan 2
9 34 1 5


49


38 2
1 5




6


63 2
2





2
early Eocene 3R-CC 59.4 Pan 2 0


38 2 0


63 2 0
4R-CC 69.0 Pan 2 0


38 2 0


63 2 0
5R-CC 78.7 Pan 2 0


38 2 0


63 2 0
6R-CC 88.3 Pan 2 0


38 2 0


63 2 0
late Paleocene 7R-CC 97.9 Pan 2
2



3 3 8


38 2





1 1 2


63 2 0
8R-CC 107.6 Pan 2 0


38 2 0


63 2 0
207-1257C-
2R-CC 101.2 Pan 2 0


38 2 0


63 2 0
3R-CC 110.8 Pan 2 0


38 2 0


63 2 0

Note: — = barren.