Table T3. Results from the Boston University flux fusion and microwave acid digestions.
Core, section,
interval (cm)
Depth
(mbsf)
Major elements (wt%)
Trace elements (ppm)
Si
Al
Ti
Fe
Mn
Ca
Mg
Na
K
P
Ba
Sr
Cr
Ni
Sc
V
Zr
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
Flux
Microwave
206-1256B-
1H-1, 145–150 1.45 25.16 25.25 7.02 7.17 0.386 0.400 5.84 5.87 0.563 0.555 1.56 1.25 1.50 1.58 1.68 1.61 1.37 1.31 0.154 0.161 8,127 8,419 431 437 83.46 71.78 289.4 389.3 24.12 23.07 122.5 153.5 139.9 157.1
1H-2, 70–75 2.20 22.48 19.50 5.15 5.05 0.267 0.271 4.70 4.44 0.765 0.696 3.10 3.45 1.69 1.59 3.05 2.79 1.15 1.20 0.146 0.132 8,543 7,949 502 445 56.63 42.30 813.8 815.9 20.31 19.48 120.1 107.8 151.4 145.3
1H-4, 70–75 5.20 19.76 19.79 5.29 5.03 0.283 0.280 4.34 3.93 0.825 0.700 9.86 7.95 1.48 1.50 2.14 2.00 1.13 1.17 0.127 0.132 6,159 6,267 556 565 55.64 42.60 769.7 682.0 17.62 18.45 100.0 96.7 125.5 121.8
2H-1, 142–147 7.52 18.02 16.09 4.66 4.60 0.242 0.239 3.19 3.20 0.430 0.405 12.90 12.46 1.33 1.30 1.50 1.56 1.09 1.12 0.116 0.142 10,410 10,155 904 828 54.08 46.23 489.0 562.1 16.43 16.37 75.1 69.1 107.2 104.8
2H-2, 0–75 8.27 24.63 22.36 6.38 6.07 0.352 0.349 5.64 5.22 0.365 0.325 1.98 2.03 1.97 1.82 2.99 3.04 1.32 1.30 0.203 0.183 9,311 9,209 457 420 50.70 47.15 658.6 465.0 23.31 22.28 106.1 99.8 148.7 149.6
2H-2, 145–150 9.02 25.78 22.32 6.08 5.92 0.320 0.331 4.78 4.86 0.524 0.500 3.71 4.13 1.59 1.57 1.59 1.51 1.26 1.20 0.131 0.158 9,224 8,992 527 492 54.68 47.45 573.0 484.0 22.02 22.23 86.6 86.7 149.4 157.8
3H-3, 145–150 20.05 25.24 23.47 6.32 5.90 0.258 0.243 3.69 3.36 2.007 1.929 1.80 1.56 1.31 1.20 2.29 2.10 2.28 2.20 0.135 0.143 8,969 8,467 395 357 44.21 32.57 618.3 575.6 13.98 13.28 67.1 58.9 172.3 162.3
3H-4, 70–75 20.80 20.78 22.13 5.91 5.95 0.308 0.322 4.93 4.82 0.318 0.309 5.37 5.00 1.81 1.80 2.65 2.55 1.31 1.46 0.164 0.154 13,230 13,554 630 633 57.11 52.14 629.7 613.6 20.65 21.19 195.0 182.4 159.7 163.2
3H-5, 70–75 22.30 20.73 23.59 6.80 6.67 0.355 0.360 5.17 4.77 0.196 0.204 1.00 1.20 1.73 1.89 2.50 2.58 1.52 1.59 0.162 0.153 13,470 13,524 472 469 60.66 53.63 659.0 637.4 21.04 22.95 98.5 102.1 151.8 157.6
3H-5, 145–150 23.05 23.71 24.94 7.02 6.65 0.367 0.358 5.12 4.70 0.222 0.201 0.92 1.18 1.88 1.86 2.49 2.46 1.60 1.58 0.171 0.170 13,607 13,780 512 482 63.65 58.05 703.2 726.5 22.66 21.81 110.4 115.1 162.7 158.3
4H-1, 145–150 26.55 24.77 22.37 6.60 6.53 0.364 0.359 4.43 4.63 0.512 0.506 3.18 2.62 2.12 2.11 2.73 2.66 1.40 1.43 0.130 0.182 13,788 13,643 563 508 74.07 69.67 936.9 629.9 22.95 22.63 160.9 155.5 151.0 144.1
4H-2, 145–150 28.05 22.33 19.66 5.76 5.37 0.292 0.296 4.20 3.76 0.562 0.481 5.27 5.90 1.76 1.65 2.61 2.46 1.20 1.19 0.178 0.139 12,045 11,851 653 575 49.61 60.40 550.1 578.8 20.35 19.92 80.8 80.1 129.9 126.0
4H-5, 145–150 32.55 20.64 19.26 5.67 5.63 0.291 0.296 3.89 3.79 2.619 2.697 5.21 4.84 1.94 1.92 2.66 2.50 1.09 1.18 0.229 0.243 10,538 11,100 532 520 76.54 62.05 1,333.4 940.9 20.14 20.84 89.0 88.8 115.1 126.2
4H-7, 71–76 34.81 20.47 20.13 5.89 5.69 0.306 0.296 4.13 3.89 1.264 1.176 7.18 6.70 1.73 1.67 2.13 2.00 1.21 1.15 0.160 0.165 13,250 13,048 733 725 57.19 52.87 819.1 689.6 21.05 22.18 77.2 74.6 128.7 134.5
5H-2, 145–150 37.55 22.30 20.62 5.27 5.36 0.260 0.256 3.29 3.29 0.807 0.809 9.27 9.27 1.44 1.44 2.08 2.30 1.33 1.35 0.153 0.141 14,956 14,591 821 787 42.52 41.18 654.2 677.0 17.54 18.01 62.9 70.5 121.9 123.9
5H-4, 145–150 40.55 24.17 21.54 4.61 4.42 0.252 0.227 3.37 3.41 0.627 0.549 6.92 7.37 1.59 1.46 2.07 1.98 1.10 1.08 0.155 0.136 19,939 19,369 776 782 48.18 46.36 793.8 665.1 17.77 18.29 64.5 74.3 118.1 116.2
5H-6, 145–150 43.55 22.40 21.02 4.21 4.17 0.224 0.221 3.20 3.23 0.338 0.352 12.07 13.27 1.61 1.62 2.56 2.53 1.10 1.06 0.141 0.145 13,694 15,598 794 863 36.95 35.95 688.0 631.6 14.60 16.88 140.4 134.4 111.5 100.9
6H-5, 145–150 51.55 24.86 23.88 4.12 4.27 0.222 0.217 2.80 2.84 0.318 0.309 6.56 5.73 1.56 1.56 2.38 2.19 1.12 1.08 0.200 0.194 11,796 12,782 716 685 36.06 31.95 951.3 863.3 16.42 16.97 82.6 83.4 106.8 105.6
6H-7, 65–70 53.75 26.63 23.81 4.30 4.35 0.238 0.224 2.80 2.89 0.394 0.355 6.07 4.64 1.69 1.66 2.20 1.97 1.17 1.12 0.137 0.183 11,547 11,790 645 580 48.40 37.98 1,182.4 1,106.3 17.96 18.02 217.2 225.0 100.0 112.5
7H-5, 145–150 61.05 15.70 15.36 2.24 2.09 0.106 0.109 1.44 1.47 0.420 0.405 19.33 18.80 0.83 0.85 1.25 1.30 0.59 0.61 0.108 0.111 10,711 11,204 1,233 1,261 14.35 17.16 493.5 478.7 8.92 8.50 27.9 20.7 57.7 59.3
8H-2, 145–150 66.05 25.45 24.72 1.92 2.00 0.091 0.090 1.25 1.33 0.276 0.264 9.88 9.82 1.07 0.95 1.83 2.00 0.71 0.70 0.049 0.057 10,534 9,953 767 670 23.60 15.28 524.9 531.8 7.65 7.73 64.5 53.3 59.2 62.7
8H-5, 145–150 70.55 12.25 11.74 1.47 1.32 0.084 0.071 1.09 1.12 1.330 1.311 23.92 23.14 0.75 0.76 1.29 1.24 0.39 0.43 0.068 0.079 8,551 8,687 1,327 1,309 13.22 9.83 548.6 537.2 6.04 5.72 10.9 9.0 43.9 45.2
10H-2, 145–150 85.05 21.17 23.29 2.25 2.18 0.123 0.115 2.34 2.26 0.860 0.800 11.49 12.36 1.06 1.03 1.47 1.53 0.75 0.73 0.104 0.110 10,786 11,156 868 844 13.81 15.18 219.6 240.3 10.20 10.26 41.2 32.6 103.4 93.6
10H-5, 145–150 89.55 34.20 33.34 1.87 2.03 0.115 0.120 2.11 2.05 0.115 0.111 0.54 0.50 0.99 0.98 2.23 1.96 0.64 0.63 0.057 0.044 10,703 10,211 398 328 17.48 15.70 185.6 178.7 10.50 9.95 26.5 28.8 101.6 92.6
11H-2, 145–150 94.55 20.68 22.31 1.22 1.13 0.066 0.070 1.27 1.21 0.175 0.159 13.09 13.68 0.68 0.64 1.74 1.41 0.42 0.41 0.059 0.069 8,643 8,821 974 914 16.48 16.00 123.2 101.0 7.27 7.56 18.2 16.0 88.0 96.0
12H-5, 145–150 108.55 11.21 13.55 1.28 1.11 0.063 0.048 0.93 0.96 0.164 0.187 23.80 25.53 0.65 0.53 1.16 1.06 0.30 0.28 0.059 0.050 5,923 6,888 1,390 1,350 9.83 8.27 116.1 75.0 4.90 4.80 36.3 28.2 32.6 34.2
14H-5, 145–150 127.55 4.83 4.99 0.14 0.15 0.009 0.009 0.23 0.22 0.167 0.187 32.34 33.89 0.21 0.19 0.50 0.55 0.05 0.07 0.024 0.037 1,395 1,349 1,770 1,749 1.27 0.99 23.4 26.2 1.24 1.28 7.0 5.1 8.6 10.2
15H-5, 145–150 137.05 11.20 11.98 0.13 0.12 0.006 0.006 0.25 0.30 0.131 0.130 31.70 30.31 0.26 0.26 0.76 0.78 0.10 0.09 0.025 0.026 2,324 2,208 1,314 1,301 1.04 0.99 33.7 28.8 1.72 1.50 1.5 1.3 10.0 10.7
16H-2, 145–150 142.05 8.79 7.71 0.19 0.21 0.009 0.010 0.32 0.36 0.151 0.141 30.33 30.15 0.29 0.29 0.61 0.55 0.10 0.11 0.031 0.032 2,235 2,316 1,254 1,338 6.87 3.13 31.4 23.9 1.66 1.90 1.9 1.6 10.6 11.2
17H-5, 145–150 156.05 8.40 8.52 0.14 0.14 0.006 0.007 0.32 0.41 0.105 0.117 30.93 30.38 0.28 0.32 0.73 0.77 0.08 0.09 0.033 0.044 2,344 2,090 1,269 1,274 6.54 3.57 29.0 15.6 1.41 1.43 8.4 6.0 11.5 9.0
18H-1, 95–100 159.05 7.25 7.44 0.13 0.13 0.005 0.005 0.29 0.28 0.097 0.100 32.96 31.72 0.37 0.31 0.64 0.69 0.08 0.08 0.025 0.038 1,912 1,986 1,227 1,184 6.12 1.41 5.0 9.2 1.22 1.18 21.9 17.2 7.6 8.3
20X-2, 145–150 168.15 3.02 2.95 0.10 0.10 0.003 0.004 0.31 0.37 0.086 0.085 34.28 33.93 0.25 0.24 0.48 0.45 0.05 0.06 0.029 0.039 1,362 1,335 1,191 1,165 5.15 4.24 24.7 21.2 0.95 0.93 19.1 15.4 14.8 14.6
20X-5, 145–150 172.65 4.77 3.90 0.14 0.15 0.005 0.006 0.29 0.33 0.102 0.097 38.17 33.77 0.21 0.19 0.46 0.47 0.06 0.06 0.033 0.036 1,714 1,638 1,241 1,228 4.18 4.73 33.4 24.1 1.28 1.12 14.8 16.4 9.6 7.7
22X-5, 145–150 191.45 6.27 5.90 0.12 0.12 0.006 0.007 0.29 0.28 0.148 0.140 30.98 31.71 0.22 0.22 0.89 0.82 0.09 0.08 0.031 0.034 1,753 1,714 1,294 1,254 3.99 3.63 12.6 15.6 1.85 1.02 13.6 9.8 10.6 8.4
25X-2, 140–145 215.90 1.17 1.24 0.13 0.13 0.006 0.006 0.54 0.51 0.219 0.217 32.83 37.48 0.39 0.32 0.62 0.64 0.14 0.13 0.030 0.036 2,368 2,292 1,395 1,343 5.64 5.53 16.2 13.0 1.42 1.48 19.2 16.4 9.8 10.0

Notes: Data overspecified for calculation purposes. See text for discussion of true analytical precision.