Table T5. Composition of solid phases in high-resolution sections, Sites U1399 and U1400. (Continued on next page.)
Core, section |
Offset (cm) | Depth CSF-A (m) |
CaCO3 (wt%) |
± (wt%) |
TIC (wt%) |
± (wt%) |
OC (wt%) |
± (wt%) |
N (wt%) |
± (wt%) |
FeR (wt%) |
± (wt%) |
MnR (wt%) |
± (wt%) |
Lithology descriptions | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Top | Bottom | Top | Bottom | ||||||||||||||
340-U1399B- | |||||||||||||||||
3H-3 | 88 | 90 | 19.08 | 19.10 | 9.2 | 1.10 | 0.206 | 0.031 | 1.13 | 0.06 | Mud with hints of silt/very fine grained sand | ||||||
93 | 95 | 19.13 | 19.15 | 5.7 | 0.1 | 0.68 | 0.01 | 0.143 | 0.019 | 1.25 | 0.00 | 0.05 | 0.00 | Very fine sand/silt with some mud present | |||
98 | 100 | 19.18 | 19.20 | 11.7 | 1.41 | 0.241 | 0.032 | 0.80 | 0.04 | 0.06 | 0.00 | Very fine sand/silt with some mud present | |||||
101 | 103 | 19.21 | 19.23 | 7.2 | 0.0 | 0.86 | 0.00 | 0.072 | 0.009 | 0.56 | 0.03 | Fine-grained sand | |||||
104 | 106 | 19.24 | 19.26 | 41.4 | 0.1 | 4.96 | 0.01 | 0.288 | 0.040 | 0.59 | 0.07 | 35%–40% shell fragments, 60%–65% fine-grained sand/silt | |||||
108 | 110 | 19.28 | 19.30 | 16.8 | 0.3 | 2.01 | 0.03 | 0.283 | 0.049 | 1.11 | 0.13 | Mud | |||||
7H-3 | 17 | 19 | 56.37 | 56.39 | 13.4 | 0.5 | 1.61 | 0.06 | 0.273 | 0.039 | 0.90 | 0.09 | Mud with hint of silt | ||||
21 | 23 | 56.41 | 56.43 | 11.4 | 1.37 | 0.260 | 0.037 | 1.15 | 0.08 | Mud | |||||||
25 | 27 | 56.45 | 56.47 | 15.6 | 0.2 | 1.88 | 0.03 | 0.265 | 0.046 | 1.09 | 0.11 | Mud with silt | |||||
30 | 32 | 56.50 | 56.52 | 17.6 | 2.12 | 0.215 | 0.041 | 0.94 | 0.00 | 0.10 | 0.00 | Mud with hints of silt | |||||
34 | 36 | 56.54 | 56.56 | 21.5 | 0.1 | 2.58 | 0.02 | 0.261 | 0.048 | 0.82 | 0.11 | Mud with hints of silt | |||||
65 | 67 | 56.85 | 56.87 | 20.3 | 2.44 | 0.203 | 0.032 | 0.75 | 0.14 | Mud with hints of silt | |||||||
68 | 70 | 56.88 | 56.90 | 22.9 | 2.75 | 0.272 | 0.038 | 0.82 | 0.02 | 0.15 | 0.00 | 2% very fine grained sand, mud | |||||
73 | 75 | 56.93 | 56.95 | 17.5 | 0.6 | 2.10 | 0.07 | 0.144 | 0.025 | 0.78 | 0.08 | Fine–very fine grained sand 50%–75%, 25%–50% mud | |||||
76 | 78 | 56.96 | 56.98 | 17.3 | 0.1 | 2.07 | 0.01 | 0.208 | 0.010 | 0.041 | 0.003 | 0.93 | 0.10 | Mud | |||
81 | 83 | 57.01 | 57.03 | 13.5 | 0.1 | 1.63 | 0.01 | 0.179 | 0.033 | 1.21 | 0.01 | 0.10 | 0.00 | Silt/very fine grained sand dominates, clay is present | |||
11H-2 | 79 | 81 | 92.09 | 92.11 | 5.9 | 0.1 | 0.70 | 0.02 | 0.083 | 0.013 | 0.46 | 0.03 | <1% sand, 25%–30% tephra, 70%–74% mud/silt | ||||
81 | 83 | 92.11 | 92.13 | 21.1 | 0.9 | 2.54 | 0.10 | 0.253 | 0.031 | 0.70 | 0.07 | <1% sand, 5%–10% tephra, 89%–94% mud | |||||
83 | 85 | 92.13 | 92.15 | 10.8 | 1.30 | 0.147 | 0.019 | 0.61 | 0.05 | <1% sand, 10% tephra, 89% silty/mud | |||||||
87 | 89 | 92.17 | 92.19 | 17.1 | 0.1 | 2.05 | 0.01 | 0.179 | 0.025 | 0.85 | 0.03 | 0.09 | 0.00 | Mud with hints of silt | |||
92 | 94 | 92.22 | 92.24 | 16.8 | 2.02 | 0.165 | 0.025 | 0.81 | 0.02 | 0.09 | 0.00 | 2% sand, <1% tephra, 97% mud with hints of silt | |||||
96 | 98 | 92.26 | 92.28 | 4.3 | 0.2 | 0.52 | 0.02 | 0.121 | 0.009 | 0.46 | 0.02 | 10%–15% tephra, silt/fine sand, minimal mud | |||||
16H-2 | 24 | 26 | 125.94 | 125.96 | 11.5 | 1.39 | 0.249 | 0.032 | 0.93 | 0.02 | 0.08 | 0.00 | Mud, <1% medium-grained sand | ||||
28 | 30 | 125.98 | 126.00 | 6.2 | 0.0 | 0.74 | 0.00 | 0.184 | 0.025 | 1.14 | 0.13 | 0.07 | 0.00 | <1% medium sand, mud with hints of silt | |||
32 | 34 | 126.02 | 126.04 | 8.4 | 0.1 | 1.01 | 0.01 | 0.180 | 0.023 | 1.05 | 0.07 | Muddy sand, sand is very fine to fine grained | |||||
36 | 38 | 126.06 | 126.08 | 15.5 | 0.3 | 1.86 | 0.04 | 0.310 | 0.045 | 1.15 | 0.26 | Mud with hints of silt | |||||
41 | 43 | 126.11 | 126.13 | 10.4 | 1.25 | 0.219 | 0.032 | 1.12 | 0.14 | Mud with minor amounts of silt | |||||||
19H-2 | 49 | 51 | 135.59 | 135.61 | 22.4 | 2.69 | 0.297 | 0.054 | 0.83 | 0.07 | 0.14 | 0.00 | Mud with hints of silt | ||||
52 | 54 | 135.62 | 135.64 | 20.4 | 0.2 | 2.45 | 0.03 | 0.337 | 0.009 | 0.052 | 0.002 | 0.84 | 0.10 | Mud with hints of silt | |||
57 | 59 | 135.67 | 135.69 | 30.2 | 0.5 | 3.62 | 0.07 | 0.174 | 0.023 | 0.52 | 0.08 | Fine sand with hints of mud | |||||
62 | 64 | 135.72 | 135.74 | 26.5 | 0.2 | 3.18 | 0.03 | 0.137 | 0.019 | 0.55 | 0.07 | Very fine to fine-grained sand with hints of mud | |||||
68 | 70 | 135.78 | 135.80 | 26.3 | 0.6 | 3.15 | 0.08 | 0.140 | 0.019 | 0.59 | 0.08 | Silty/sand with minimal mud | |||||
71 | 73 | 135.81 | 135.83 | 18.6 | 0.1 | 2.23 | 0.01 | 0.243 | 0.044 | 0.83 | 0.02 | 0.15 | 0.01 | Mud | |||
25H-2 | 94 | 96 | 168.84 | 168.86 | 16.0 | 0.1 | 1.92 | 0.01 | 0.175 | 0.027 | 0.93 | 0.14 | Mud | ||||
98 | 100 | 168.88 | 168.90 | 15.5 | 0.0 | 1.86 | 0.00 | 0.103 | 0.022 | 0.54 | 0.01 | 0.17 | 0.01 | Mud with hints of silt | |||
103 | 105 | 168.93 | 168.95 | 3.9 | 0.1 | 0.47 | 0.01 | 0.068 | 0.014 | 0.37 | 0.10 | Very fine sand to silt of weathered tephra | |||||
109 | 111 | 168.99 | 169.01 | 0.1 | 0.1 | 0.01 | 0.01 | 0.046 | 0.008 | 0.008 | 0.000 | 0.23 | 0.00 | Very fine sand to silt of weathered tephra | |||
114 | 116 | 169.04 | 169.06 | 21.5 | 0.0 | 2.58 | 0.00 | 0.209 | 0.005 | 0.050 | 0.003 | 0.87 | 0.18 | Mud with hints of silt | |||
340-U1400B- | |||||||||||||||||
16H-2 | 33 | 34 | 104.17 | 104.18 | 1.0 | 0.0 | 0.12 | 0.01 | 0.141 | 0.006 | 0.27 | 0.01 | Medium/coarse sand | ||||
37 | 38 | 104.21 | 104.22 | 0.8 | 0.3 | 0.10 | 0.03 | 0.021 | 0.003 | 0.006 | 0.001 | 0.32 | 0.01 | Medium/fine sand with tephra present | |||
42 | 43 | 104.26 | 104.27 | 1.2 | 0.1 | 0.15 | 0.01 | 0.062 | 0.002 | 0.008 | 0.002 | 0.74 | 0.02 | Mud with <5% medium sand | |||
46 | 47 | 104.30 | 104.31 | 6.5 | 0.1 | 0.78 | 0.02 | 0.098 | 0.014 | 0.59 | 0.04 | Mud with <2% fine sand | |||||
50 | 51 | 104.34 | 104.35 | 3.8 | 0.1 | 0.46 | 0.01 | 0.080 | 0.004 | 0.009 | 0.001 | 0.84 | 0.01 | 0.04 | 0.00 | Mud with 2% fine/medium sand | |
55 | 56 | 104.39 | 104.40 | 0.5 | 0.2 | 0.06 | 0.02 | 0.019 | 0.007 | 0.005 | 0.003 | 0.34 | 0.01 | Medium-grained sand | |||
26H-5 | 48 | 49 | 190.36 | 190.37 | 17.9 | 2.15 | 0.149 | 0.024 | 0.84 | 0.16 | Mud | ||||||
53 | 54 | 190.41 | 190.42 | 14.6 | 0.2 | 1.75 | 0.02 | 0.092 | 0.015 | 0.74 | 0.12 | 50% mud, 50% very fine to fine-grained sand | |||||
57 | 58 | 190.45 | 190.46 | 16.7 | 0.1 | 2.00 | 0.01 | 0.130 | 0.022 | 0.80 | 0.00 | 0.15 | 0.00 | Mud | |||
61 | 62 | 190.49 | 190.50 | 10.1 | 0.3 | 1.21 | 0.03 | 0.128 | 0.018 | 1.04 | 0.10 | Mud with silt present | |||||
66 | 67 | 190.54 | 190.55 | 2.5 | 0.1 | 0.30 | 0.01 | 0.091 | 0.012 | 1.23 | 0.09 | 0.05 | 0.00 | Mud--> volcaniclastic mud according to cruise | |||
340-U1400C- | |||||||||||||||||
48X-1 | 14 | 15 | 416.94 | 416.95 | 1.3 | 0.1 | 0.15 | 0.15 | 0.105 | 0.014 | 1.06 | 0.03 | Mud/mudstone with some silt | ||||
18 | 19 | 416.98 | 416.99 | 3.2 | 0.2 | 0.38 | 0.03 | 0.074 | 0.013 | 0.74 | 0.05 | Mud/mudstone with minor silt | |||||
22 | 23 | 417.02 | 417.03 | 2.1 | 0.1 | 0.26 | 0.01 | 0.064 | 0.016 | 0.007 | 0.002 | 0.44 | 0.03 | 20%–30% very fine to fine-grained sand, mud/silt | |||
25 | 26 | 417.05 | 417.06 | 2.5 | 0.1 | 0.30 | 0.01 | 0.076 | 0.003 | 0.011 | 0.001 | 0.23 | 0.04 | Silty mud | |||
29 | 30 | 417.09 | 417.10 | 1.6 | 0.1 | 0.19 | 0.01 | 0.046 | 0.003 | 0.006 | 0.002 | 0.42 | 0.02 | 0.02 | 0.00 | 50% sand, 50% silty/mud, tephra present? <1% | |
39 | 40 | 417.19 | 417.20 | 25.0 | 0.2 | 3.01 | 0.02 | 0.241 | 0.039 | 0.79 | 0.48 | Mud |
TIC = total inorganic carbon, OC = organic carbon. FeR = dithionite-extractable iron, MnR = dithionite-extractable manganese.
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