36
Table 5.
Water depih and date of collection of sediment cores.
Core
Location
Collection
Date
Depth of
Water
Length
of Core
B-30
31 Oct. 72
47 m
6 cm
B-15
31 Oct. 72
29 m
16 cm
8-27
2 Nov. 72
53 m
10 cm
B-16
4 Nov. 72
23 m
6 cm
C-12
7 Nov. 72
23 m
15 cm
B-6
7 Nov. 72
31 m
3 cm
B-21
7 Nov. 72
52 m
16 cm
B-2
7 Nov. 72
53 m
40 cm
B-20
8 Nov. 72
56 m
12 cm
C-3
13 Nov. 72
47 m
56 cm
se’. ‘ire station, only ten usable cores were obtained because the corer was
~.'¢ to penetrate and/or retain either the hard or unconsolidated sediments
"tr" were encountered at some stations.
A few cores and grab samples were
rid at the same station so that both types of sediment collections could be
cotrrec.
All samples were immediately frozen and were not thawed until they
weve Frecessed in the laboratory.
“Pa
Cay
iccraphs were taken to observe any varve or density anomalies.
we
ets
‘
7
~~
‘
Each
:
.
a
.
.
:
eatruced while still
frozen® and sawed into
2-cm thick
sections.
trion¢
e-
Before processing the frozen sediment cores,
The
a
.
°
.
.
secinent
from the exterior
of the core sections was discarded in
~ re'cve contaminants which might have been displaced during the
aR
Ranney
7 Settee core from Station B-2 was inadvert
ently allowed to warm to
fuer Le-perature before processing.
as
fesse
tetes
on
ercte
The core liner was, however, plugged
e rarination
want the or
core,
which remained horizontal, showed no perculiarextrusion.