leg site hole core section top interval depth(cm) bottom interval depth(cm) top of core depth(m) sample midpoint depth(m) repeat column coring device code analyst location data source exponent nrm intensity exponent afd intensity exponent sus intensity nrm intensity nrm declination nrm inclination alternating field demagnetization mean demagnetizing field afd intensity afd declination afd inclination initial susceptibility comments 66 490 1 1 100.0 102.0 0.00 1.01 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.115 344.2- 35.9 MUDDY SILT 66 490 1 2 120.0 122.0 0.00 2.71 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.382 129.0 10.0 MUDDY SILT 66 490 1 3 35.0 37.0 0.00 3.36 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.140 173.4- 12.9 MUDDY SILT 66 490 1 4 95.0 97.0 0.00 5.46 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.194 320.8- 33.4 MUDDY SILT 66 490 2 1 85.0 87.0 9.00 9.86 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.291 145.3 11.7 MUDDY SILT 66 490 2 6 87.0 89.0 9.00 17.38 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.149 240.5 28.6 MUDDY SILT 66 490 3 2 131.0 133.0 18.50 21.32 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.001 114.3 -5.9 MUDDY SILT 66 490 3 5 100.0 102.0 18.50 25.51 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.019 336.1 -9.7 MUDDY SILT 66 490 4 2 129.0 131.0 28.00 30.80 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.037 350.3 53.7 MUDDY SILT 66 490 4 5 40.0 42.0 28.00 34.41 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.013 265.2 33.7 MUDDY SILT 66 490 5 1 128.0 130.0 37.50 38.79 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.005 291.6- 28.5 MUDDY SILT 66 490 5 6 95.0 97.0 37.50 45.96 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.006 264.2 40.6 MUDDY SILT 66 490 6 2 104.0 106.0 47.00 49.55 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.167 12.7 53.5 MUDDY SILT 66 490 6 5 52.0 54.0 47.00 53.53 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.074 157.2 -3.4 MUDDY SILT 66 490 7 1 141.0 143.0 56.50 57.92 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.580 335.6 68.5 MUDDY SILT 66 490 7 3 112.0 114.0 56.50 60.63 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.581 301.4- 16.2 MUDDY SILT 66 490 8 1 144.0 146.0 66.00 67.45 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.001 90.0 2.8 MUDDY SILT 66 490 8 4 112.0 114.0 66.00 71.63 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.001 257.9 60.8 MUDDY SILT 66 490 9 2 144.0 146.0 75.50 78.45 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.470 13.0- 34.9 MUDDY SILT 66 490 10 1 138.0 140.0 85.00 86.39 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.993 112.2- 44.0 DIATOMACEOUS MUDDY SILT 66 490 10 5 43.0 45.0 85.00 91.44 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.990 166.6 5.8 DIATOMACEOUS MUDDY SILT 66 490 11 1 97.0 99.0 94.50 95.48 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.025 357.3- 20.9 DIATOMACEOUS MUDDY SILT 66 490 12 2 144.0 146.0 104.00 106.95 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.052 211.8- 12.3 DIATOMACEOUS MUDDY SILT 66 490 15 1 130.0 132.0 132.50 133.81 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.414 73.2 12.3 MUDDY SILTSTONE 66 490 15 5 36.0 38.0 132.50 138.87 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 6.869 28.5- 28.3 MUDDY SILTSTONE 66 490 16 1 139.0 141.0 142.00 143.40 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.033 252.0- 50.7 MUDDY SILTSTONE 66 490 16 4 43.0 45.0 142.00 146.94 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 3.409 81.4- 29.1 MUDDY SILTSTONE 66 490 17 3 144.0 146.0 151.50 155.95 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 14.266 10.4 5.1 MUDDY SILTSTONE 66 490 17 5 61.0 63.0 151.50 158.12 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.488 52.5 10.0 MUDDY SILTSTONE 66 490 18 1 143.0 145.0 161.00 162.44 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.130 64.6 45.5 MUDDY SILTSTONE 66 490 18 5 100.0 102.0 161.00 168.01 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.817 258.6- 24.7 MUDDY SILTSTONE 66 490 20 1 144.0 146.0 180.00 181.45 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 9.684 12.2- 17.5 MUDDY SILTSTONE 66 490 20 5 129.0 131.0 180.00 187.30 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.215 152.6- 31.8 MUDDY SILTSTONE 66 490 21 1 140.0 142.0 189.50 190.91 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 7.969 22.3- 20.3 SILICEOUS MUDSTONE 66 490 21 5 100.0 102.0 189.50 196.51 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 27.463 185.0 19.1 SILICEOUS MUDSTONE 66 490 22 1 143.0 145.0 199.00 200.44 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 10.307 54.6- 22.1 MUDSTONE 66 490 22 5 139.0 141.0 199.00 206.40 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.995 281.0- 29.0 MUDDY SILTSTONE 66 490 23 1 144.0 146.0 208.50 209.95 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.384 21.4- 11.6 SILICEOUS MUDDY SILTSTONE 66 490 23 5 98.0 100.0 208.50 215.49 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.037 126.5- 56.3 SILICEOUS MUDDY SILTSTONE 66 490 24 1 124.0 126.0 218.00 219.25 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.144 358.7 28.5 MUDDY SILTSTONE 66 490 24 5 44.0 46.0 218.00 224.45 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.582 332.9- 16.4 MUDDY SILTSTONE 66 490 25 2 144.0 146.0 227.50 230.45 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.009 4.1- 18.1 MUDDY SILTSTONE 66 490 26 2 145.0 147.0 237.00 239.96 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 5.570 135.5- 27.5 MUDDY SILTSTONE 66 490 26 6 128.0 130.0 237.00 245.79 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 3.834 104.7- 34.3 MUDDY SILTSTONE 66 490 27 1 144.0 146.0 246.50 247.95 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.277 37.8 65.5 MUDDY SILTSTONE 66 490 27 3 146.0 148.0 246.50 250.97 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.561 48.8 43.9 MUDDY SILTSTONE 66 490 28 1 136.0 138.0 256.00 257.37 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.112 67.8 46.1 MUDDY SILTSTONE 66 490 28 5 142.0 146.0 256.00 263.44 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.678 112.8 29.1 MUDDY SILTSTONE 66 490 29 1 92.0 94.0 265.50 266.43 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.002 119.6 32.1 MUDDY SILT 66 490 29 4 119.0 121.0 265.50 271.20 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.003 234.4 41.2 MUDDY SILT 66 490 30 3 7.0 9.0 275.00 278.08 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.006 278.8 -5.7 MUDDY SILTSTONE 66 490 31 2 29.0 31.0 284.50 286.30 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.029 217.0 28.6 MUDDY SILTSTONE 66 490 33 1 86.0 88.0 299.00 299.87 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.008 283.3 48.6 MUDDY SILTSTONE 66 490 34 1 135.0 137.0 303.50 304.86 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.681 329.4 -9.4 MUDDY SILTSTONE 66 490 34 4 29.0 31.0 303.50 308.30 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.404 355.6 51.9 MUDDY SILTSTONE 66 490 35 2 75.0 77.0 313.00 315.26 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.204 290.4- 16.8 SILTSTONE 66 490 35 5 100.0 102.0 313.00 320.01 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.252 277.0 7.2 SILTSTONE 66 490 36 1 143.0 145.0 322.50 323.94 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.633 170.1- 57.8 MUDDY SILTSTONE 66 490 36 5 143.0 145.0 322.50 329.94 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.177 338.9 18.2 MUDDY SILTSTONE 66 490 37 1 144.0 146.0 332.00 333.45 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.753 199.7 45.8 MUDDY SILTSTONE 66 490 37 5 143.0 145.0 332.00 339.44 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.892 232.7 43.8 MUDDY SILTSTONE 66 490 38 2 142.0 144.0 341.50 344.43 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.939 156.4 26.6 MUDDY SILTSTONE 66 490 38 5 142.0 144.0 341.50 348.93 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.706 107.3 38.5 MUDDY SILTSTONE 66 490 39 2 137.0 139.0 351.00 353.88 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.835 336.0 25.9 MUDDY SILTSTONE 66 490 39 5 112.0 114.0 351.00 358.13 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.321 182.6 40.3 MUDDY SILTSTONE 66 490 40 2 75.0 77.0 360.50 362.76 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.738 50.9- 18.2 MUDDY SILTSTONE 66 490 40 6 101.0 103.0 360.50 369.02 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.742 136.2 -3.7 MUDDY SILTSTONE 66 490 41 1 98.0 100.0 370.00 370.99 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.425 15.7- 20.2 MUDDY SILTSTONE 66 490 42 2 29.0 31.0 379.50 381.30 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.789 356.1 -3.6 MUDDY SILTSTONE 66 490 42 5 6.0 8.0 379.50 385.57 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.406 45.7- 28.6 MUDDY SILTSTONE 66 490 43 1 128.0 130.0 389.00 390.29 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.329 137.6 -3.8 MUDDY SILTSTONE 66 490 43 3 100.0 102.0 389.00 393.01 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.396 126.8 26.4 MUDDY SILTSTONE 66 490 44 2 122.0 124.0 398.50 401.23 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.160 328.8 15.0 MUDDY SILTSTONE 66 490 44 2 126.0 128.0 398.50 401.27 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.760 330.1 11.2 MUDDY SILTSTONE 66 490 47 1 64.0 66.0 422.50 423.15 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.113 130.7 23.4 MUDDY SILTSTONE 66 490 48 1 82.0 84.0 427.00 427.83 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.215 134.9 11.2 MUDDY SILTSTONE 66 490 49 1 123.0 125.0 436.50 437.74 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.049 124.8 8.6 MUDDY SILTSTONE 66 490 50 1 91.0 93.0 446.00 446.92 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.045 326.6 70.8 MUDDY SILTSTONE 66 490 51 1 97.0 99.0 455.50 456.48 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.009 9.9- 17.4 MUDDY SILTSTONE 66 490 53 1 104.0 106.0 474.50 475.55 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.064 353.7- 28.6 MUDDY SILTSTONE 66 490 54 1 82.0 84.0 484.00 484.83 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.023 177.3- 11.1 MUDDY SILTSTONE 66 490 54 4 87.0 89.0 484.00 489.38 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.281 327.4- 19.5 MUDDY SILTSTONE 66 490 55 1 58.0 60.0 493.50 494.09 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.232 341.0- 18.0 MUDDY SILTSTONE 66 490 55 3 103.0 105.0 493.50 497.54 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.146 274.4 -4.8 MUDDY SILTSTONE 66 490 56 1 67.0 69.0 503.00 503.68 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.168 25.3 14.2 MUDDY SILTSTONE 66 490 56 5 88.0 90.0 503.00 509.89 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.918 277.0 25.2 MUDDY SILTSTONE 66 490 57 2 21.0 23.0 512.50 514.22 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.821 119.5 21.4 MUDDY SILTSTONE 66 490 57 5 96.0 98.0 512.50 519.47 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.324 340.0 48.9 MUDDY SILTSTONE 66 490 58 1 19.0 21.0 522.00 522.20 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.427 355.0 27.2 MUDDY SILTSTONE 66 490 58 5 60.0 62.0 522.00 528.61 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.877 326.6 19.9 MUDDY SILTSTONE 66 490 59 1 80.0 82.0 531.50 532.31 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.674 206.5 25.8 MUDDY SILTSTONE 66 490 59 3 40.0 42.0 531.50 534.91 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 2.145 342.5 14.7 MUDDY SILTSTONE 66 490 59 4 6.0 8.0 531.50 536.07 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.534 332.3 30.3 MUDDY SILTSTONE 66 490 59 4 11.0 13.0 531.50 536.12 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.404 318.7 21.5 MUDDY SILTSTONE 66 490 60 1 73.0 75.0 541.00 541.74 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.411 173.0 18.2 MUDDY SILTSTONE 66 490 60 3 3.0 5.0 541.00 544.04 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.349 142.1 36.4 MUDDY SILTSTONE 66 490 61 1 78.0 80.0 550.50 551.29 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.188 307.2 23.5 MUDDY SILTSTONE 66 490 61 3 129.0 131.0 550.50 554.80 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.053 105.0 -4.7 MUDDY SILTSTONE 66 490 61 3 134.0 136.0 550.50 554.85 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.052 72.7 58.3 MUDDY SILTSTONE 66 490 62 1 66.0 68.0 560.00 560.67 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.119 80.9 -8.1 MUDDY SILTSTONE 66 490 62 4 62.0 64.0 560.00 565.13 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.220 141.0 6.2 MUDDY SILTSTONE 66 490 63 2 23.0 25.0 569.50 571.24 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.163 99.4 25.7 MUDDY SILTSTONE 66 490 64 1 146.0 148.0 579.00 580.47 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.584 334.1 14.6 MUDDY SILTSTONE