Table T15. Calcium carbonate, inorganic carbon, total carbon, total nitrogen, total sulfur, and total organic carbon contents in sediments, Hole 1254A.
Core, section,
interval (cm)
Depth
(mbsf)
CaCO3
(wt%)
IC
(wt%)
TC
(wt%)
TN
(wt%)
TS
(wt%)
TOC
(wt%)
TOC/TN
205-1254A-







1R-3, 52-87 153.52 6.80 0.82 1.98 0.24 0.18 1.16 4.8
2R-4, 125-160 161.25 6.83 0.82 1.47 0.22 0.12 0.65 3.0
3R-3, 125-165 169.35 4.59 0.55 1.49 0.20 0.47 0.94 4.6
4R-5, 45-90 181.11 3.89 0.47 1.49 0.21 0.72 1.02 5.0
5R-5, 50-90 190.40 7.37 0.88 1.83 0.21 0.22 0.95 4.5
6R-1, 121-162 195.31 5.18 0.62 1.68 0.22 0.29 1.06 4.9
6R-2, 125-166 196.97 7.47 0.90 1.48 0.18 0.17 0.58 3.2
7R-5, 34-74 209.55 3.25 0.39 1.41 0.18 0.83 1.02 5.6
8R-4, 0-45 217.65 5.93 0.71 1.75 0.17 1.08 1.04 6.1
9R-5, 0-40 305.50 7.37 0.88 1.62 0.19 0.35 0.74 3.9
10R-6, 0-40 316.73 5.73 0.69 1.58 0.18 0.29 0.89 5.1
11R-1, 78-117 320.08 3.27 0.39 1.27 0.17 0.65 0.88 5.1
11R-5, 63-103 325.67 2.04 0.24 1.08 0.18 0.74 0.84 4.6
12R-1, 101-141 329.91 2.02 0.24 1.10 0.16 1.21 0.86 5.4
13R-3, 100-145 342.50 2.41 0.29 1.14 0.17 0.89 0.85 5.1
13R-5, 65-109 344.65 5.74 0.69 1.54 0.18 0.47 0.85 4.6
14R-3, 0-40 350.81 4.12 0.49 1.47 0.19 1.40 0.98 5.2
14R-6, 52-97 354.28 6.27 0.75 1.63 0.17 1.37 0.88 5.3
15R-3, 0-44 360.65 1.04 0.13 2.03 0.25 1.20 1.90 7.7
16R-3, 49-89 366.19 1.04 0.12 1.60 0.18 0.78 1.48 8.3

Note: IC = inorganic carbon, TC = total carbon, TN = total nitrogen, TS = total sulfur, TOC = total organic carbon. Accuracies of TS and TN are very poor, ~20% (see "Organic Geochemistry" in the "Explanatory Notes" chapter).