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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