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Table T1. Grain-size analysis data, Hole M0027A.

Core, section Depth (mcd) Grain size (µm) Type of distribution
Mean Median Mode σ
313-M0027A-            
66X-2 196.75 16.307 8.123 9.472 22.755 1
67X-2 198.54 12.86 7.713 9.455 15.760 1
68X-2 202.85 8.785 6.076 9.419 9.028 1
69X-2 205.90 14.094 8.579 9.450 16.200 2
70X-1 207.88 8.881 6.576 9.385 8.389 2
70X-2 209.06 29.497 19.293 21.323 31.358 6
71H-1 209.47 30.699 21.043 24.414 30.146 6
73X-1 211.37 17.768 14.712 18.627 13.880 6
73X-2 212.79 53.927 31.258 21.340 55.781 14
74X-2 215.05 27.306 20.811 24.444 24.174 6
75X-1 217.53 19.496 14.631 18.573 17.180 6
75X-2 218.04 32.515 21.579 24.375 32.728 10
75X-2 218.74 29.517 19.674 24.383 29.571 10
75X-3 219.24 29.219 18.397 21.269 30.398 10
76X-1 219.64 17.786 13.082 16.227 16.712 6
77X-1 223.06 26.237 17.501 18.597 26.649 7
80R-1 226.41 26.081 15.736 14.195 28.032 7
81R-1 229.26 23.066 17.692 21.296 20.153 6
81R-2 230.26 19.456 16.821 21.246 14.095 5
84R-2 238.54 17.980 14.962 18.630 14.184 6
83R-2 235.53 21.587 14.343 16.239 23.669 5
83R-3 236.91 16.365 13.263 16.214 13.165 5
85R-1 241.01 11.978 9.721 10.816 9.392 5
86R-2 245.61 21.880 17.264 21.359 18.421 6
87R-2 248.65 20.583 15.546 21.270 18.182 6
88R-1 250.26 27.831 21.166 27.900 24.596 6
88R-2 251.76 25.019 20.123 27.945 20.763 6
89R-2 254.88 17.045 13.116 16.232 14.856 6
90R-1 256.34 22.217 17.654 21.336 18.370 6
91R-1 259.51 26.018 20.962 27.919 21.154 6
92R-2 262.94 24.495 19.186 24.426 20.802 6
93R-2 266.91 24.698 18.421 21.339 22.193 6
94R-1 269.02 23.092 18.955 24.452 18.637 6
94R-2 270.58 21.154 16.618 21.316 18.013 6
95R-1 271.45 543.422 440.000 407.000 430.983 B
95R-2 272.97 27.191 15.929 14.168 29.128 8
96R-2 275.88 29.238 24.354 31.952 23.283 6
97R-1 278.36 32.212 24.875 31.988 27.908 6
97R-2 279.86 25.614 18.133 24.371 24.198 10
99R-1 283.55 19.963 16.193 21.274 15.767 6
100R-2 288.20 22.627 17.334 21.336 19.863 6
102R-1 293.17 21.687 16.751 24.376 18.798 9
102R-2 294.48 17.187 12.830 14.228 15.804 6
102R-2 295.28 20.330 14.636 16.249 19.279 4
104R-1 299.34 18.904 15.172 18.634 15.568 4
106R-1 304.89 22.776 18.692 24.405 18.394 6
108R-1 311.16 32.674 23.828 36.639 29.899 6
109R-1 314.41 35.175 22.371 48.142 35.260 10
109R-2 315.90 27.661 19.982 27.935 25.545 11
109R-3 316.33 29.392 20.980 31.957 27.725 10
110R-1 317.25 26.093 17.848 21.328 25.200 10
112R-1 323.25 21.178 16.182 21.331 18.503 10
112R-2 324.82 28.539 18.013 18.605 29.672 7
113R-1 326.36 24.552 17.873 21.304 23.011 6
113R-2 327.93 27.139 18.407 21.319 26.769 7
114R-1 329.49 23.679 16.487 21.318 22.971 7
114R-2 330.96 25.279 19.263 24.429 22.629 6
114R-2 331.23 24.881 17.607 21.287 23.663 6
114R-2 331.45 23.756 16.765 21.265 22.894 7
114R-2 331.66 27.744 20.924 27.916 24.734 6
115R-1 332.55 27.449 21.308 27.971 23.757 6
115R-2 334.05 20.562 14.695 21.255 19.503 6
116R-1 335.62 22.753 17.859 21.352 19.637 6
116R-1 336.02 22.415 18.008 24.380 18.735 6
116R-1 336.34 796.301 494.000 467.500 788.694 F
116R-2 337.05 586.988 484.000 537.000 416.435 B
117R-1 338.68 411.322 336.000 354.500 307.021 B
119R-1 339.93 724.807 440.000 467.500 786.590 F
120R-1 341.63 359.917 265.000 203.500 323.916 E
121R-1 344.80 507.292 403.000 467.500 401.109 B
122R-1 347.90 513.248 419.000 467.500 552.958 A
123R-1 350.81 806.114 524.000 467.500 861.872 D
124R-1 353.62 412.030 377.000 407.000 276.268 A
125R-1 354.46 649.127 407.000 935.500 810.383 G
125R-1 354.83 744.819 464.000 234.000 789.069 G
126R-1 356.72 478.000 422.000 407.000 283.698 C
127R-1 359.61 43.920 34.395 41.895 36.798 6
127R-1 359.93 36.397 28.239 36.618 31.418 6
129R-1 366.06 589.121 507.000 467.500 318.420 C
129R-2 367.56 571.579 486.000 467.500 309.019 C
130R-1 369.14 788.478 492.000 407.000 782.154 C
132R-1 373.23 562.475 500.000 467.500 275.733 C
133R-1 375.19 595.376 452.000 354.500 422.977 C
133R-2 376.69 448.739 383.000 354.500 245.423 C
134R-1 378.24 904.250 643.000 354.500 756.912 H
134R-2 379.73 510.415 436.000 379.000 282.431 C
135R-1 381.31 551.084 450.000 407.000 358.587 C
135R-2 382.81 601.360 465.000 407.000 411.135 C
136R-1 384.36 485.779 420.000 407.000 282.129 C
136R-2 385.84 623.567 477.000 407.000 434.328 C
137R-1 387.44 529.663 427.000 354.500 348.347 C
137R-2 388.94 446.142 383.000 354.500 236.282 C
138R-1 390.79 447.137 384.000 354.500 249.777 C
138R-2 392.26 468.471 397.000 354.500 300.438 C
139R-1 393.51 452.872 364.000 308.500 302.177 C
140R-1 396.61 563.699 433.000 354.500 407.228 C
140R-2 398.03 510.219 421.000 354.500 292.853 C
141R-1 399.61 417.556 363.000 354.500 213.759 C
142R-1 402.68 374.966 344.000 354.500 186.318 B
142R-2 404.18 357.518 338.000 354.500 176.583 B
143R-1 405.71 19.008 10.964 14.146 23.131 2
144R-1 408.62 275.399 276.000 308.500 107.019 B
144R-2 410.12 86.476 34.706 186.794 102.927 16
145R-1 411.86 107.201 45.906 214.006 121.233 16
145R-2 413.36 39.593 23.598 16.235 40.315 14
146R-1 414.99 31.173 19.012 16.249 33.008 13
146R-2 416.49 39.295 28.698 36.673 35.396 10
147R-1 418.09 33.451 21.289 27.941 33.807 9
147R-2 419.58 32.548 23.127 31.984 30.229 10
148R-1 421.06 35.604 27.668 36.646 30.457 6
149R-1 424.29 36.019 25.859 32.028 33.109 10
150R-1 427.06 24.913 18.626 24.404 22.624 10
151R-1 430.36 28.470 23.034 31.949 23.721 6
152R-1 433.21 30.309 25.274 32.070 24.168 6
153R-1 436.26 26.597 20.117 27.938 23.800 6
154R-1 439.92 30.377 24.858 32.060 24.818 6
155R-2 443.79 27.071 22.471 28.032 21.538 6
156R-1 445.41 34.567 29.060 36.692 27.444 6
157R-1 448.41 31.930 26.905 36.589 25.095 6
158R-1 451.47 28.244 23.124 31.924 23.041 6
159R-2 456.26 26.756 21.218 28.012 22.912 6
160R-1 457.56 26.203 20.340 27.961 23.022 6
161R-1 460.76 27.515 21.366 27.976 23.955 6
162R-1 463.69 26.924 20.993 27.985 23.383 6
165R-1 473.13 29.190 20.078 27.911 28.730 10
165R-2 474.24 30.323 20.038 24.390 30.269 9
166R-1 476.36 33.514 22.576 27.954 32.870 9
166R-2 477.90 36.836 26.937 32.003 33.763 10
167R-1 478.91 35.590 21.083 21.267 38.666 13
167R-2 480.39 29.346 21.380 24.378 27.263 6
168R-1 481.96 26.025 19.567 21.356 23.703 6
168R-2 483.49 27.919 19.511 21.338 27.488 6
169R-1 485.00 23.984 17.677 21.317 22.292 6
169R-2 486.79 21.991 12.737 14.151 26.808 7
170R-1 488.15 26.605 16.314 18.581 30.579 7

Type of distribution = distribution of grain-size frequencies: silt Types 1–16 (Fig. F2) and sand Types A–H (Fig. F3).

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