Table T17. Carbon and nitrogen analyses of sediments, Site U1354. (See table notes.)
|
Core, section, interval (cm) |
Depth CSF-A (m) |
IC (wt%) |
CaCO3 (wt%) |
TC (wt%) |
TN (wt%) |
TOCDIFF (wt%) |
TOCDIFF/TN |
|---|---|---|---|---|---|---|---|
| 317-U1354B- | |||||||
| 1H-1, 140 | 1.40 | 1.59 | 13.26 | 2.50 | 0.072 | 0.91 | 12.6 |
| 2H-4, 123 | 9.83 | 2.04 | 17.01 | 2.53 | 0.019 | 0.49 | 25.9 |
| 4H-3, 126 | 16.36 | 2.74 | 22.83 | 3.38 | 0.041 | 0.64 | 15.5 |
| 5H-2, 97 | 20.17 | 4.19 | 34.94 | 4.47 | 0.023 | 0.28 | 11.9 |
| 7H-4, 24 | 24.56 | 0.15 | 1.29 | 0.20 | 0.004 | 0.05 | 11.8 |
| 8H-3, 73 | 30.33 | 0.59 | 4.89 | 1.22 | 0.038 | 0.63 | 16.8 |
| 9H-2, 97 | 35.97 | 1.52 | 12.69 | 1.88 | 0.024 | 0.36 | 15.1 |
| 10H-3, 145 | 45.95 | 1.81 | 15.09 | 2.22 | 0.039 | 0.41 | 10.6 |
| 10H-6, 77 | 49.77 | 3.09 | 25.76 | 4.21 | 0.082 | 1.12 | 13.7 |
| 11H-1, 79 | 51.29 | 0.16 | 1.30 | 0.32 | 0.031 | 0.16 | 5.4 |
| 12H-3, 74 | 60.66 | 1.16 | 9.65 | 1.45 | 0.029 | 0.29 | 10.1 |
| 13H-1, 73 | 63.23 | 3.19 | 26.56 | 3.87 | 0.054 | 0.68 | 12.6 |
| 14H-2, 120 | 73.20 | 5.01 | 41.77 | 5.69 | 0.024 | 0.68 | 28.7 |
| 15H-3, 47 | 75.95 | 6.21 | 51.73 | 6.74 | 0.022 | 0.53 | 24.4 |
| 317-U1354C- | |||||||
| 2H-2, 70 | 67.20 | 2.39 | 19.94 | 2.84 | 0.039 | 0.45 | 11.3 |
| 3H-3, 57 | 74.86 | 5.02 | 41.84 | 5.04 | 0.027 | 0.02 | 0.6 |
| 3H-3, 63 | 74.92 | 5.26 | 43.79 | 5.44 | 0.026 | 0.18 | 7.0 |
| 4X-2, 143 | 81.03 | 1.34 | 11.15 | 1.79 | 0.045 | 0.45 | 10.0 |
Notes: Inorganic carbon (IC) is from coulometric measurement of acid-evolved CO2. CaCO3 is calculated from IC × 8.33. Total carbon (TC) and total nitrogen (TN) are from elemental analyses of sediments. TOCDIFF = total organic carbon from difference of TC and IC.
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