Table
3. Sedimentary geochemical results for Site 1012.
Core,
section, interval (cm)
Depth
(mbsf)
P
concentrations (µmol/g sediment)
Biogenic
opal (wt%)
Adsorbed
Oxide
associated
Authigenic
Detrital
Organic
Total
reactive
Total
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Mean
SD
167-1012A-
1H-3,
145-150
2.95
1.39
0.09
0.68
0.65
16.60
1.68
6.80
0.71
5.33
1.62
24.00
2.42
30.81
2.52
0.98
2H-3,
145-150
9.15
1.97
0.30
3.45
3.09
12.57
0.04
6.96
0.08
4.13
1.39
22.11
3.41
29.07
3.41
1.23
3H-3,
145-150
18.65
1.50
0.10
11.61
0.17
7.00
0.12
3.14
1.03
16.26
1.05
23.26
1.06
1.26
4H-3,
145-150
28.15
1.32
0.24
0.49
0.26
14.44
0.08
7.88
0.06
2.63
0.57
18.88
0.67
26.77
0.67
1.28
5H-3,
145-150
37.65
2.91
0.44
0.71
0.16
11.13
0.00
5.45
0.03
1.95
0.27
16.71
0.54
22.16
0.54
0.90
6H-3,
145-150
47.22
2.89
0.23
1.12
0.42
12.29
0.00
5.56
0.20
1.73
0.23
18.03
0.53
23.59
0.56
1.25
9H-3,
145-150
75.65
3.88
0.15
2.24
1.13
13.35
0.16
2.76
0.19
0.18
0.02
19.63
1.15
22.40
1.17
0.79
12H-3,
145-150
104.32
2.25
0.26
0.72
0.61
21.52
0.19
6.31
0.07
1.95
0.40
26.44
0.80
32.74
0.80
1.20
15X-2,
145-150
131.35
2.56
0.22
1.54
0.78
13.33
0.04
2.67
0.18
1.15
0.14
18.58
0.83
21.25
0.85
18X-3,
145-150
161.65
3.04
0.33
1.49
0.29
13.71
0.09
3.32
0.11
1.01
0.16
19.25
0.48
22.58
0.49
Note: SD = standard deviation, blank = quantity not determined for that sample.