Skip to main content

Advertisement

Table 1 Samples used, biostratigraphic tie points, and related sedimentation rates at IODP Site U1425 (cm/ky)

From: Paleoceanographic history of the Japan Sea over the last 9.5 million years inferred from radiolarian assemblages (IODP Expedition 346 Sites U1425 and U1430)

Exp Site Hole Core Type Sect A/W Offset (cm) Mid CCSF-A (m) (Tada et al. 2015a) CCSF-D_Patched (Irino et al. 2018) Age (Ma) Sedimentation rates (cm/ky) Comments
346 U1425 D 1 H 1 W 13 0.130 0.13 0.002   
346 U1425 D 1 H 1 W 103 1.030 1.03 0.017   
346 U1425 D 1 H 3 W 3 3.030 3.03 0.051   
Tie point of Tada et al. (2018) 6.22 0.105 5.924 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1425 B 1 H 5 W 99 6.992 6.99 0.121   
346 U1425 D 2 H 2 W 14 8.005 8.00 0.143   
346 U1425 D 2 H 3 W 64 10.005 10.00 0.185   
Tie point of Tada et al. (2018) 10.55 0.197 4.707 We used the Tephra & Pmag age of Dark layer No. 2–5 (Addional file 3)
Tie point of Tada et al. (2018) 14.13 0.292 3.776 We used the Tephra & Pmag age of Dark layer No. 3–2 (Additional file 3)
346 U1425 B 2 H 5 W 65 16.006 16.01 0.342   
Tie point of Tada et al. (2018) 17.66 0.386 3.735 We used the Tephra & Pmag age of Dark layer No. 4–2 (Additional file 3)
Tie point of Tada et al. (2018) 21.71 0.483 4.188 We used the Tephra & Pmag age of Dark layer No. 5–3 (Additional file 3)
346 U1425 D 3 H 5 W 42 22.012 22.01 0.493   
346 U1425 B 3 H 4 W 52 24.904 24.90 0.589   
Tie point of Tada et al. (2018) 25.46 0.608 3.002 We used the Tephra & Pmag age of Dark layer No. 6–3 (Additional file 3)
346 U1425 B 3 H 5 W 113 27.014 27.01 0.647   
Tie point of Tada et al. (2018) 29.18 0.700 4.026 We used the Tephra & Pmag age of Dark layer No. 7–2 (Additional file 3)
346 U1425 D 4 H 3 W 28 30.008 30.01 0.720   
346 U1425 D 4 H 5 W 28 33.008 33.01 0.790   
Tie point of Tada et al. (2018) 33.21 0.795 4.251 We used the Tephra & Pmag age of Dark layer No. 9–1 (Additional file 3)
346 U1425 D 4 H 7 W 8 35.808 35.81 0.855   
Tie point of Tada et al. (2018) 38.16 0.909 4.346 We used the Tephra & Pmag age of Dark layer No. 11–1 (Additional file 3)
346 U1425 B 4 H 7 W 32 39.034 39.23 0.937   
346 U1425 D 5 H 3 W 15 40.016 40.21 0.962   
Tie point of Tada et al. (2018) 41.75 1.002 3.869 We used the Tephra & Pmag age of Dark layer No. 13–3 (Additional file 3)
346 U1425 D 5 H 5 W 15 43.016 43.21 1.050   
Tie point of Tada et al. (2018) 44.97 1.109 3.001 We used the Tephra & Pmag age of Dark layer No. 15–2 (Additional file 3)
346 U1425 D 5 H 6 W 65 45.016 45.21 1.116   
346 U1425 B 5 H 5 W 32 46.026 46.32 1.146   
Tie point of Tada et al. (2018) 47.98 1.192 3.635 We used the Tephra & Pmag age of Dark layer No. 17–1 (Additional file 3)
346 U1425 B 5 H 6 W 82 48.026 48.32 1.204   
346 U1425 D 6 H 3 W 134 50.990 51.28 1.306   
Tie point of Tada et al. (2018) 51.43 1.311 2.892 We used the Tephra & Pmag age of Dark layer No. 19–1 (Additional file 3)
346 U1425 B 6 H 2 W 62 53.017 53.31 1.391   
Tie point of Tada et al. (2018) 54.8 1.455 2.344 We used the Tephra & Pmag age of Dark layer No. 21–2 (Additional file 3)
346 U1425 B 6 H 3 W 112 55.017 55.31 1.468   
346 U1425 B 6 H 5 W 12 57.017 57.31 1.517   
346 U1425 D 7 H 2 W 82 60.013 60.30 1.592   
Tie point of Kamikuri et al. (2017) 64.115 64.63 1.700 4.013 We used the Last Occurrence of A. acquilonium (Radiolaria), which occurred at the mid depth of 64,115 m CCSF-A. This bioevent has no error margin.
346 U1425 D 7 H 5 W 132 65.013 65.30 1.750   
346 U1425 B 7 H 5 W 104 68.016 68.31 1.972   
346 U1425 D 8 H 2 W 99 69.996 70.29 2.119   
346 U1425 D 8 H 4 W 143 73.006 73.30 2.342   
346 U1425 B 8 H 3 W 138 76.007 76.30 2.564   
346 U1425 B 8 H 5 W 138 79.007 79.30 2.787   
Tie point of Kamikuri et al. (2017) 80.005 80.62 2.885 1.350 We used the Last Occurrence of H. parviakitaense (Radiolaria), which occurred at the mid depth of 80,005 m CCSF-A. This bioevent has an error margin of 0,015 Ma.
346 U1425 B 8 H 7 W 39 81.017 81.57 2.905   
346 U1425 B 9 H 3 W 5 85.002 85.55 2.992   
346 U1425 B 9 H 4 W 55 87.002 87.55 3.035   
346 U1425 D 10 H 2 W 65 88.007 88.56 3.057   
346 U1425 D 10 H 4 W 65 91.007 91.56 3.122   
346 U1425 D 10 H 6 W 66 94.017 93.75 3.170   
346 U1425 B 10 H 5 W 94 96.013 95.74 3.213   
346 U1425 D 11 H 3 W 133 99.003 98.73 3.278   
346 U1425 D 11 H 5 W 133 102.003 101.73 3.343   
346 U1425 B 11 H 5 W 62 106.008 105.74 3.430   
346 U1425 D 12 H 3 W 75 109.005 108.73 3.495   
346 U1425 D 13 X 2 W 71 112.011 111.86 3.563   
346 U1425 B 14 H 3 W 59 115.014 114.86 3.628   
346 U1425 B 14 H 5 W 56 118.014 117.86 3.694   
346 U1425 B 14 H 6 W 106 120.014 119.86 3.737   
346 U1425 D 14 H 2 W 59 122.009 121.86 3.780   
346 U1425 D 14 H 3 W 109 124.009 123.86 3.824   
346 U1425 B 17 H 2 W 124 125.003 124.85 3.845   
346 U1425 D 15 H 3 W 23 127.011 126.86 3.889   
346 U1425 D 15 H 4 W 73 129.011 128.86 3.932   
346 U1425 D 15 H 6 W 73 132.011 131.86 3.997   
Tie point of Kamikuri et al. (2017) 134.43 134.28 4.050 4.606 We used the Last Occurrence of D. bullatus (Radiolaria), which occurred at the mid depth of 134.43 m CCSF-A. This bioevent has an error margin of 0.25 Ma.
346 U1425 D 16 H 2 W 4 136.013 135.86 4.089   
346 U1425 D 16 H 4 W 2 139.013 138.86 4.164   
346 U1425 D 16 H 6 W 2 142.013 141.86 4.238   
346 U1425 B 21 H 2 W 21 144.030 143.88 4.289   
346 U1425 B 21 H 4 W 20 147.020 146.87 4.363   
Tie point of Kamikuri et al. (2017) 148.51 148.36 4.400 4.023 We used the First Occurrence of D. bullatus (Radiolaria), which occurred at the mid depth of 148.51 m CCSF-A. This bioevent has an error margin of 0.1 Ma.
346 U1425 B 21 H 6 W 20 150.020 149.87 4.480   
346 U1425 D 18 H 5 W 7 151.996 151.84 4.584   
346 U1425 D 18 H 6 W 60 154.026 153.87 4.691   
346 U1425 B 22 H 3 W 111 156.990 156.84 4.848   
346 U1425 B 22 H 5 W 11 158.990 158.84 4.954   
Tie point of Kamikuri et al. (2017) 160.815 160.66 5.050 1.893 We used the Last Occurrence of L. redondoensis (Radiolaria), which occurred at the mid depth of 160,815 m CCSF-A. This bioevent has an error margin of 0.05 Ma.
346 U1425 D 19 H 3 W 127 161.021 160.87 5.054   
346 U1425 D 19 H 5 W 128 164.031 163.88 5.111   
346 U1425 B 23 H 3 W 130 167.020 166.87 5.167   
346 U1425 B 23 H 5 W 130 170.020 169.87 5.224   
346 U1425 D 20 H 4 W 97 172.014 171.86 5.262   
346 U1425 D 20 H 5 W 146 174.004 173.85 5.299   
346 U1425 B 24 H 2 W 145 176.002 175.85 5.337   
346 U1425 D 21 H 2 W 37 178.013 177.86 5.375   
346 U1425 D 21 H 3 W 87 180.013 179.86 5.413   
346 U1425 D 21 H 5 W 87 183.013 182.86 5.470   
346 U1425 B 25 H 2 W 91 185.001 184.85 5.507   
346 U1425 B 25 H 4 W 92 188.011 187.86 5.564   
346 U1425 D 22 H 5 W 62 193.011 192.86 5.659   
346 U1425 D 22 H 6 W 112 195.011 194.86 5.696   
346 U1425 D 23 H 2 W 77 198.007 197.86 5.753   
346 U1425 D 23 H 4 W 77 201.007 200.86 5.810   
346 U1425 D 23 H 6 W 77 204.007 203.86 5.867   
346 U1425 B 27 H 4 W 28 207.014 206.86 5.923   
346 U1425 B 27 H 6 W 27 210.004 209.85 5.980   
346 U1425 D 24 H 5 W 6 212.008 211.86 6.018   
346 U1425 D 24 H 6 W 56 214.008 213.86 6.056   
346 U1425 B 28 H 3 W 148 217.010 216.86 6.112   
Tie point of Kamikuri et al. (2017) 219 218.85 6.150 5.290 We used the Last Occurrence of L. parallelipes (Radiolaria), which occurred at the mid depth of 219.00 m CCSF-A. This bioevent has an error margin of 0.25 Ma.
346 U1425 B 29 H 1 W 82 222.021 221.99 6.267   
346 U1425 B 29 H 3 W 82 225.021 224.99 6.378   
346 U1425 B 29 H 5 W 83 228.031 228.00 6.489   
346 U1425 D 27 H 1 W 123 231.023 231.00 6.600   
346 U1425 B 30 H 3 W 32 233.012 234.23 6.720   
346 U1425 B 30 H 5 W 32 236.012 237.23 6.831   
Tie point of Kamikuri et al. (2017) 237.66 239.09 6.900 2.699 We used the Rapid Increase of L. barbatus (Radiolaria), which occurred at the mid depth of 237.66 m CCSF-A. This bioevent has an error margin of 0.10 Ma.
346 U1425 D 28 H 4 W 90 238.009 239.23 6.903   
346 U1425 D 28 H 6 W 90 241.009 242.23 6.968   
346 U1425 D 29 H 1 W 46 243.011 244.23 7.012   
346 U1425 D 29 H 2 W 96 245.011 246.23 7.055   
346 U1425 B 33 H 3 W 40 247.002 248.22 7.099   
346 U1425 B 33 H 4 W 90 249.002 250.22 7.142   
346 U1425 B 33 H 5 W 139 250.992 252.21 7.186   
346 U1425 B 33 H 6 W 91 252.012 253.23 7.208   
346 U1425 D 30 H 5 W 76 255.009 256.23 7.273   
Tie point of Kamikuri et al. (2017) 255.58 257.46 7.300 4.593 We used the First Occurrence of L. barbatus (Radiolaria), which occurred at the mid depth of 255.58 m CCSF-A. This bioevent has an error margin of 0.10 Ma.
346 U1425 B 34 H 4 W 47 258.010 259.23 7.342   
346 U1425 B 34 H 5 W 97 260.010 262.23 7.413   
346 U1425 D 31 H 2 W 118 261.012 265.23 7.484   
346 U1425 D 31 H 4 W 118 264.012 267.23 7.531   
346 U1425 B 35 H 3 W 48 266.008 268.23 7.555   
346 U1425 B 35 H 3 W 148 267.008 270.23 7.602   
346 U1425 B 35 H 5 W 48 269.008 274.23 7.697   
346 U1425 D 32 H 4 W 6 273.007 275.23 7.720   
346 U1425 D 32 H 4 W 106 274.007 277.23 7.768   
346 U1425 D 32 H 6 W 6 276.007 280.23 7.839   
346 U1425 B 37 H 1 W 129 279.011 281.24 7.863   
346 U1425 B 37 H 2 W 80 280.021 281.26 7.863   
346 U1425 D 33 H 4 W 3 282.014 283.23 7.910   
346 U1425 B 38 H 1 W 102 283.006 284.22 7.933   
346 U1425 D 35 H 2 W 48 287.003 288.22 8.028   
346 U1425 B 39 H 2 W 126 290.011 291.23 8.099   
346 U1425 B 39 H 4 W 61 291.991 293.21 8.146   
346 U1425 B 40 X 2 W 59 293.998 294.22 8.170   
346 U1425 B 40 X 3 W 10 295.008 296.22 8.217   
346 U1425 D 37 H 1 W 144 297.010 298.36 8.268   
346 U1425 D 37 H 2 W 94 298.010 299.36 8.292   
346 U1425 D 37 H 4 W 95 300.010 301.36 8.339   
346 U1425 D 37 H 5 W 45 301.010 302.36 8.363   
346 U1425 B 42 H 3 W 67 306.015 307.36 8.481   
346 U1425 D 38 H 2 W 127 307.006 308.35 8.505   
346 U1425 D 39 H 1 W 57 310.003 311.35 8.576   
346 U1425 D 39 H 2 W 107 312.003 313.35 8.623   
346 U1425 D 39 H 3 W 57 313.003 314.35 8.647   
346 U1425 B 44 H 2 W 77 314.012 315.36 8.670   
346 U1425 B 44 H 4 W 5 316.012 317.36 8.718   
346 U1425 D 40 H 2 W 60 318.013 319.36 8.765   
346 U1425 D 40 H 3 W 10 319.013 320.36 8.789   
346 U1425 D 40 H 3 W 110 320.013 321.36 8.812   
346 U1425 B 46 H 1 W 53 321.027 321.85 8.824   
346 U1425 D 41 H 2 W 109 323.018 323.85 8.871   
346 U1425 D 41 H 4 W 37 325.008 325.84 8.918   
346 U1425 B 47 H 1 W 92 326.016 326.84 8.942   
346 U1425 B 47 H 2 W 42 327.016 327.84 8.966   
346 U1425 B 47 H 2 W 143 328.026 328.85 8.990   
346 U1425 B 47 H 3 W 92 329.016 329.84 9.013   
346 U1425 D 43 H 2 W 28 331.016 331.84 9.061   
Tie point of Kamikuri et al. (2017) 332.68 333.51 9.100 4.225 We used the First Occurrence of L. barbatus (Radiolaria), which occurred at the mid depth of 255.58 m CCSF-A. This bioevent has no an error margin.
346 U1425 D 43 H 3 W 78 333.016 333.84 9.106   
346 U1425 D 43 H 4 W 28 334.016 334.84 9.123   
346 U1425 D 43 H 4 W 128 335.016 335.84 9.140   
346 U1425 D 43 H 6 W 28 337.016 337.84 9.173   
346 U1425 B 49 H 2 W 30 338.016 338.84 9.190   
346 U1425 B 49 H 2 W 130 339.016 339.84 9.207   
346 U1425 D 44 H 2 W 31 341.014 341.84 9.241   
346 U1425 B 50 H 2 W 67 343.994 344.82 9.291   
346 U1425 B 50 H 3 W 118 346.004 346.83 9.325   
346 U1425 D 45 H 2 W 41 347.010 347.84 9.342   
346 U1425 D 45 H 2 W 141 348.010 348.84 9.359   
346 U1425 D 46 H 1 W 76 349.73 350.56 9.393   
346 U1425 D 46 H 2 W 76 351.23 352.06 9.423   
346 U1425 D 46 H 4 W 4 353.23 354.06 9.462   
346 U1425 D 48 H 1 W 26 358.63 359.46 9.568   
Tie point of Kamikuri et al. (2017) 382.925 383.75 9.950 5.911 We used the First Occurrence of C. nakasekoi (Radiolaria), which occurred at the mid depth of 382.925 m CCSF-A. This bioevent has an error margin of 0.25 Ma.