Table AT4. Rare earth element concentrations in sediments of Demerara Rise (Site 1258) using pore water squeezing residues.
Hole, core, section,
interval (cm)
Unit
Depth
Rare earth element (ppm)
(mbsf)
(mcd)
La
Ce
Pr
Nd
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
207-
1258A-1R-1, 145–150 I 1.45 1.45 24.63 45.35 5.86 21.34 4.18 0.92 3.90 0.57 3.20 0.63 1.76 0.24 1.60 0.24
1258A-1R-2, 145–150 I 2.95 2.95 19.46 37.48 4.62 16.54 3.15 0.66 2.71 0.40 2.29 0.45 1.28 0.16 1.24 0.16
1258A-3R-4, 145–150 II 20.15 20.15 7.28 7.87 1.53 5.94 1.18 0.31 1.22 0.19 1.04 0.21 0.56 0.06 0.55 0.07
1258A-4R-4, 145–150 II 29.75 29.75 8.31 10.40 1.76 7.28 1.43 0.36 1.36 0.21 1.22 0.25 0.67 0.07 0.71 0.09
1258A-5R-3, 145–150 II 37.65 42.15 16.26 25.97 3.61 13.33 2.64 0.61 2.56 0.38 2.15 0.44 1.22 0.17 1.19 0.17
1258A-6R-4, 145–150 II 48.75 49.27 19.58 37.08 4.44 15.83 3.02 0.66 2.75 0.42 2.39 0.48 1.33 0.18 1.29 0.18
1258A-7R-4, 145–150 II 58.15 59.14 20.23 38.82 4.55 16.45 3.07 0.69 2.82 0.44 2.44 0.49 1.36 0.18 1.33 0.18
1258A-8R-4, 140–150 II 68.07 69.92 17.70 32.18 3.93 14.66 2.79 0.61 2.57 0.39 2.30 0.46 1.28 0.17 1.21 0.17
1258A-9R-6, 140–150 II 80.80 81.05 21.43 43.23 5.06 17.71 3.39 0.77 3.29 0.49 2.80 0.56 1.52 0.21 1.50 0.22
1258A-10R-3, 140–150 II 86.00 86.63 20.82 41.10 4.81 17.97 3.36 0.72 3.12 0.47 2.74 0.56 1.63 0.21 1.59 0.22
1258A-11R-5, 135–145 II 98.65 98.35 24.50 50.31 5.58 20.23 3.72 0.82 3.38 0.50 2.98 0.58 1.64 0.22 1.56 0.23
1258A-12R-5, 140–150 II 108.30 108.69 21.58 43.68 4.91 17.85 3.35 0.74 3.20 0.48 2.76 0.54 1.55 0.21 1.48 0.21
1258A-13R-4, 140–150 II 116.40 117.01 18.57 35.46 4.26 15.19 2.96 0.67 2.74 0.41 2.31 0.47 1.27 0.17 1.23 0.17
1258B-14R-4, 140–150 II 133.80 134.22 15.59 27.49 3.37 12.56 2.42 0.53 2.23 0.35 1.93 0.41 1.16 0.15 1.10 0.15
1258B-18R-3, 140–150 II 170.90 171.49 14.40 25.99 3.21 12.11 2.21 0.49 2.05 0.30 1.73 0.35 0.95 0.12 0.94 0.13
1258B-17R-4, 140–150 II 154.95 176.79 12.53 21.28 2.74 10.15 1.98 0.45 1.88 0.27 1.55 0.32 0.85 0.11 0.83 0.11
1258B-20R-2, 140–150 II 181.00 204.43 12.33 22.07 2.76 10.86 2.16 0.48 1.98 0.30 1.79 0.37 1.05 0.12 1.08 0.14
1258B-22R-3, 140–150 II 201.50 224.93 14.67 26.77 3.37 12.16 2.31 0.52 2.21 0.33 1.90 0.40 1.07 0.15 1.09 0.15
1258B-24R-3, 139–150 II 220.69 244.12 16.14 29.98 3.57 13.42 2.57 0.57 2.37 0.37 2.16 0.45 1.23 0.17 1.25 0.18
1258B-26R-2, 140–150 II 238.50 260.95 24.97 46.44 6.28 22.37 4.32 0.97 4.03 0.59 3.25 0.64 1.74 0.23 1.60 0.23
1258B-28R-5, 145–150 II 262.35 284.80 13.09 23.05 2.80 10.35 1.99 0.44 1.81 0.27 1.55 0.31 0.84 0.11 0.84 0.12
1258B-30R-2, 140–150 II 277.10 299.47 17.14 30.76 3.88 14.10 2.55 0.57 2.34 0.34 1.97 0.39 1.05 0.14 1.00 0.13
1258B-32R-5, 140–150 II 300.90 324.11 15.86 29.79 3.53 12.35 2.32 0.51 2.08 0.33 1.92 0.39 1.04 0.14 1.06 0.15
1258B-33R-4, 140–150 II 307.00 329.81 22.90 45.20 5.35 19.33 3.52 0.76 3.09 0.46 2.57 0.51 1.38 0.19 1.30 0.19
1258B-36R-3, 90–100 III 334.00 346.81 18.46 32.35 3.94 14.84 2.73 0.58 2.48 0.38 2.17 0.46 1.29 0.18 1.32 0.20
1258A-35R-3, 140–150 III 326.80 349.67 16.73 29.39 3.53 12.60 2.39 0.43 2.16 0.34 1.97 0.41 1.14 0.15 1.12 0.17
1258A-37R-2, 145–150 III 344.65 367.52 17.56 30.22 3.69 13.27 2.35 0.54 2.32 0.36 2.13 0.46 1.31 0.18 1.31 0.19
1258A-39R-1, 63–73 III 361.53 382.27 20.10 34.78 4.51 16.24 3.14 0.67 2.86 0.44 2.61 0.55 1.65 0.21 1.61 0.22
1258B-39R-5, 135–150 III 366.35 384.10 21.36 37.30 4.66 16.49 3.06 0.68 2.82 0.44 2.55 0.53 1.55 0.21 1.43 0.21
1258B-43R-2, 110–120 III 390.40 412.51 18.47 30.07 3.91 15.25 2.80 0.62 2.62 0.39 2.30 0.49 1.48 0.18 1.39 0.19
1258B-45R-2, 75–85 IV 399.25 420.08 12.60 18.81 2.68 10.11 1.99 0.48 1.86 0.27 1.53 0.32 0.86 0.10 0.78 0.11
1258B-46R-1, 31–44 IV 403.41 425.47 11.11 18.02 2.89 10.81 2.43 0.64 2.47 0.38 2.21 0.44 1.17 0.15 1.05 0.14
1258B-51R-2, 20–29 IV 427.92 452.24 16.52 23.70 3.28 12.69 2.54 0.61 2.62 0.40 2.52 0.56 1.71 0.21 1.66 0.23
1258B-52R-2, 70–80 IV 433.71 458.03 13.26 19.50 2.70 10.20 2.03 0.50 1.96 0.30 1.79 0.40 1.14 0.15 1.14 0.17
1258B-54R-3, 0–10 IV 444.38 468.86 19.53 34.37 4.58 15.96 3.12 0.73 2.98 0.48 2.90 0.62 1.85 0.25 1.88 0.26
1258B-55R-3, 58–68 IV 448.27 475.13 30.68 57.54 6.86 25.52 4.96 1.18 4.79 0.77 4.58 0.96 2.82 0.40 2.70 0.41
1258C-30R-1, 112–122 V 462.52 495.02 19.24 40.08 4.95 17.46 3.58 0.83 2.98 0.45 2.46 0.48 1.36 0.18 1.34 0.19
1258C-34R-2, 135–150 V 483.55 516.05 29.74 56.82 6.65 23.21 4.30 0.97 3.71 0.56 3.25 0.65 1.86 0.27 1.88 0.28