Table
2. Summary of analytical results of bulk organic matter and its carbon
isotopic composition for Hole 1017E from California margin sediments.
Holocene
Glacial
Sample
number:
1-78
79-197
Depth
(cm):*
0-222.7
225.6-563.7
Calendar
age (ka):*
0-10.11
10.22-26.27
Number
of samples:
78
119
TOC
(mg/g-ds):
24.8
± 2.9
14.2
± 4.8
Total
N (mg/g-ds):
2.86
± 0.32
1.51
± 0.50
C/N
(weight ratio):
8.7
± 0.4
9.2
± 0.7
13C
of TOC (
):-21.3
± 0.2
-22.1
± 0.1
Notes: *= corrected depths and ages were provided by R. Tada (pers. comm., 1998). ds = dry sediment, TOC = total organic carbon.