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 66 491 1 2 140.0 142.0 0.00 2.91 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.262 308.2 11.0 MUDDY SILT 66 491 1 5 82.0 84.0 0.00 6.83 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.317 62.7 49.3 MUDDY SILT 66 491 2 1 140.0 142.0 9.50 10.91 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 20.529 153.4 4.2 MUDDY SILT 66 491 2 4 113.0 115.0 9.50 15.14 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.284 142.2 15.8 MUDDY SILT 66 491 3 1 144.0 146.0 19.00 20.45 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.145 115.6 6.3 MUD 66 491 3 5 129.0 131.0 19.00 26.30 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.103 2.2- 31.0 MUD 66 491 4 2 115.0 117.0 28.50 31.16 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.146 163.1 31.6 MUD 66 491 4 5 106.0 108.0 28.50 35.57 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.098 200.6 64.6 MUD 66 491 5 4 42.0 44.0 38.00 42.93 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.036 311.7 27.2 MUD 66 491 6 2 38.0 40.0 47.50 49.39 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.235 123.9- 16.8 MUDDY SILT 66 491 6 5 136.0 138.0 47.50 54.87 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.377 80.4 12.8 MUDDY SILT 66 491 7 1 137.0 139.0 57.00 58.38 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.066 272.8 18.3 MUDDY SILT 66 491 7 5 113.0 115.0 57.00 64.14 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.074 46.8 33.0 MUDDY SILT 66 491 8 1 137.0 139.0 66.50 67.88 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.086 93.1- 46.0 MUDDY SILT 66 491 8 5 113.0 115.0 66.50 73.64 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.778 39.4 47.8 MUDDY SILT 66 491 9 1 133.0 135.0 76.00 77.34 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 8.363 254.4- 18.7 MUDDY SILT 66 491 9 5 134.0 136.0 76.00 83.35 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 3.708 358.0 51.0 MUDDY SILT 66 491 10 2 66.0 68.0 86.00 88.17 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 5.124 2.4- 11.8 MUDDY SILT 66 491 10 5 127.0 129.0 86.00 93.28 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 7.587 87.6 58.1 MUDDY SILT 66 491 11 1 126.0 128.0 95.50 96.77 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.414 18.1- 25.6 MUDDY SILT 66 491 11 3 115.0 117.0 95.50 99.66 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 6.471 355.7 15.2 MUDDY SILT 66 491 14 1 133.0 135.0 114.50 115.84 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.547 306.1 -4.4 MUDDY SILT 66 491 14 5 56.0 58.0 114.50 121.07 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 3.267 43.2 13.9 MUDDY SILT 66 491 15 2 105.0 107.0 124.00 126.56 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.148 158.3- 61.6 MUDDY SILT 66 491 15 3 64.0 66.0 124.00 127.65 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.805 95.5 -2.9 MUDDY SILT 66 491 15 5 20.0 22.0 124.00 130.21 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.577 79.2 36.7 MUDDY SILT 66 491 16 4 57.0 59.0 133.50 138.58 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.618 65.1- 14.0 MUDDY SILT 66 491 16 6 15.0 17.0 133.50 141.16 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 2.364 257.0- 27.5 MUDDY SILT 66 491 17 2 60.0 62.0 143.00 145.11 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 6.039 103.5 8.2 MUDDY SILT 66 491 17 4 50.0 52.0 143.00 148.01 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 3.140 83.7 1.7 MUDDY SILT 66 491 18 4 25.0 27.0 152.50 157.26 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.195 342.2- 62.0 MUDDY SILT 66 491 19 3 56.0 58.0 162.00 165.57 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 3.203 116.1 3.8 FINE SAND 66 491 20 2 121.0 123.0 171.50 174.22 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 3.415 78.9 29.4 MUDDY SILT 66 491 21 3 90.0 92.0 181.00 184.91 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.188 297.4- 13.9 MUDDY SILT 66 491 25 1 85.0 87.0 209.50 210.36 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.809 291.4 45.4 MUDDY SILTSTONE 66 491 25 3 73.0 75.0 209.50 213.24 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.743 289.1 33.0 MUDDY SILTSTONE 66 491 26 5 14.0 16.0 219.00 225.15 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.061 92.2 60.6 MUDDY SILT 66 491 27 5 96.0 98.0 228.50 235.47 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 7.249 108.7 27.8 MUDDY SILT 66 491 30 5 20.0 22.0 256.00 262.21 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 2.050 183.3- 38.0 MUDDY SILT 66 491 31 5 22.0 24.0 265.50 271.73 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.948 59.7 7.4 MUDDY SILT 66 491 32 5 28.0 30.0 275.00 281.29 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 6.975 168.3 -5.7 MUDDY SILT 66 491 33 2 145.0 147.0 285.50 288.46 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 8.554 97.4 -1.0 MUDDY SILTSTONE 66 491 36 5 136.0 138.0 314.00 321.37 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.253 292.4 -7.5 MUDDY SILTSTONE 66 491 37 4 34.0 36.0 323.50 328.35 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 5.939 92.7 15.6 MUDDY SILT 66 491 39 3 4.0 6.0 342.50 345.55 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.103 28.2 21.0 MUDDY SILTSTONE 66 491 41 2 126.0 128.0 361.50 364.27 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.806 38.1 -7.4 MUDDY SILTSTONE 66 491 41 3 114.0 116.0 361.50 365.65 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.290 236.8- 24.7 MUDDY SILTSTONE 66 491 43 2 134.0 136.0 380.50 383.35 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.931 69.6 -4.2 MUDDY SILTSTONE 66 491 43 5 88.0 90.0 380.50 387.39 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.793 8.4 -9.4 MUDDY SILTSTONE 66 491 44 3 27.0 29.0 390.00 393.28 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 2.811 193.1- 15.3 MUDDY SILT 66 491 45 2 144.0 146.0 399.50 402.45 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.906 357.5- 41.6 MUDDY SILTSTONE 66 491 46 1 110.0 112.0 409.00 410.11 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.007 172.6 1.0 MUDDY SILT 66 491 47 3 11.0 13.0 418.50 421.62 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 5.102 290.6- 38.0 MUDDY SILT 66 491 48 6 134.0 136.0 428.00 436.85 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 1.649 227.4 -1.0 MUDDY SILT 66 491 49 3 60.0 62.0 437.50 441.11 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.896 68.2 -9.1 VERY FINE TO FINE SAND 66 491 50 2 18.0 20.0 447.00 448.69 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 9.709 231.9- 10.1 MUDDY SILT 66 491 50 2 132.0 134.0 447.00 449.83 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 10.911 224.1- 19.7 MUDDY SILT 66 491 54 1 50.0 52.0 485.00 485.51 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.051 247.2- 27.4 MUDDY SILTSTONE 66 491 55 2 15.0 17.0 494.50 496.16 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 17.902 188.8- 15.6 MUDDY SILTSTONE 66 491 55 3 54.0 56.0 494.50 498.05 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 3.190 358.2- 17.1 MUDDY SILTSTONE 66 491 56 1 73.0 75.0 504.00 504.74 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 7.433 279.2- 25.9 MUDDY SILTSTONE 66 491 57 3 30.0 32.0 513.50 516.81 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 8.194 140.8 -5.2 MUDDY SILTSTONE 66 491 57 3 145.0 147.0 513.50 517.96 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 15.327 6.6- 12.4 MUDDY SILTSTONE 66 491 58 1 12.0 14.0 523.00 523.13 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 10.251 13.1- 10.7 MUDDY SILTSTONE 66 491 58 1 88.0 90.0 523.00 523.89 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 4.453 257.3 5.7 MUDDY SILTSTONE 66 491 59 1 56.0 58.0 532.50 533.07 0 CONVENTIONAL ROTARY DRILLING CORER Niitsuma, N. ONSHORE IR 6 150 0.594 316.2- 53.3 MUDDY SILTSTONE