Table
T3. Summary of lithologic units at Site 1136.
Unit
Core
interval
Depth
(mbsf)Thickness
(m)
Age
Lithology
Interpretation
I
2R-1,
0 cm, to 2R-1, 118 cm
4.70-5.88
1.18
Pleistocene
Mixed
sediment
Pelagic
ooze with ice-rafted debris (from drilling)
II
2R-1,
118 cm, to 7R-CC, 25 cm
5.88-60.90
55.02
early
to middle Eocene
Foraminifer-bearing
nannofossil ooze
Pelagic
sediment
III
9R-1,
0 cm, to 9R-CC, 5 cm
70.30-79.90
9.60
mid-Campanian
Very
light brown calcareous ooze
Pelagic
and hemipelagic sediment with volcanic material
IV
10R-1,
0 cm, to 10R-1, 100 cm
79.90-89.50
9.60
mid-
to late Albian
Brown
calcareous zeolitic volcanic clayey sand
Mixed
biogenic and altered volcanic sand deposited in neritic environment
V
11R-1,
0 cm, to 15R-1, 8 cm
89.50-128.08
38.58
mid-
to late Albian
Dark
greenish-gray carbonate-bearing zeolitic silty clay
Mixed
biogenic and altered volcanic sand deposited in neritic environment
VI
15R-1,
8 cm, to 19R-2, 149 cm
128.08-161.40
33.32
mid-
to late Albian
Basalt
Lava
flows