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Table 2 Samples used, biostratigraphic tie points, and related sedimentation rates at IODP Site U1430 (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. 2015b) CCSF-D_Patched (Irino et al. 2018) Age (Ma) Sedimentation rates (cm/ky) Comments
346 U1430 A 1 H CC W 0 3.68 3.68 0.064   
Tie point of Tada et al. (2018) 6 0.105 5.714 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 2 H 4 W 69 9.14 9.14 0.160   
Tie point of Tada et al. (2018) 11.24 0.197 5.677 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 2 H CC W 0 13.52 13.52 0.264   
Tie point of Tada et al. (2018) 14.46 0.292 3.407 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
Tie point of Tada et al. (2018) 18.78 0.408 3.708 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 3 H 4 W 69 19.28 19.28 0.421   
Tie point of Tada et al. (2018) 22.57 0.504 3.981 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 3 H CC W 0 23.65 23.65 0.530   
Tie point of Tada et al. (2018) 26.88 0.608 4.128 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 4 H 4 W 69 29.59 29.59 0.678   
Tie point of Tada et al. (2018) 30.43 0.700 3.855 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
Tie point of Tada et al. (2018) 32.28 0.795 1.945 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 4 H CC W 0 33.75 33.75 0.842   
Tie point of Tada et al. (2018) 36.11 0.909 3.537 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 5 H 4 W 69 39.23 39.23 0.998   
Tie point of Tada et al. (2018) 39.36 1.002 3.502 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
Tie point of Tada et al. (2018) 42.42 1.109 2.852 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 5 H CC W 0 43.69 43.69 1.145   
Tie point of Tada et al. (2018) 45.39 1.192 3.587 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
Tie point of Tada et al. (2018) 48.23 1.311 2.381 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 6 H 4 W 69 49.15 49.15 1.366   
Tie point of Tada et al. (2018) 50.66 1.455 1.689 We used the Tephra & Pmag age of Dark layer No. 1–6 (Additional file 3)
346 U1430 A 6 H CC W 0 53.56 53.56 1.841   
346 U1430 A 7 H 4 W 69 59.2 59.2 2.592   
Tie point of Kamikuri et al. (2017) 61.41 61.41 2.885 0.751 We used the Last Occurrence of H. parviakitaense (Radiolaria), which occurred at the mid depth of 61.41 m CCSF-A. This bioevent has an error margin of 0.015 Ma.
346 U1430 A 7 H CC W 0 63.61 63.61 3.073   
346 U1430 A 8 H 4 W 69 69.22 69.22 3.551   
346 U1430 A 8 H CC W 0 73.67 73.67 3.931   
346 U1430 A 9 H 1 W 69 74.33 74.33 3.987   
Tie point of Kamikuri et al. (2017) 75.08 75.08 4.050 1.174 We used the First Occurrence of D. bullatus (Radiolaria), which occurred at the mid depth of 75.08 m CCSF-A. This bioevent has an error margin of 0.25 Ma.
346 U1430 A 9 H 2 W 69 75.83 75.83 Hiatus   We defined this depths interval as a hiatus following the findings of Tada et al. (2015b), Kamikuri et al. (2017)
Tie point of Kamikuri et al. (2017) 80.06 80.06 7.300   We used the First Occurrence of L. parallelipes (Radiolaria), which occurred at the mid depth of 80.06 m CCSF-A. This bioevent has an error margin of 0.10 Ma.
346 U1430 A 9 H 5 W 71 80.35 80.35 7.3075186054   
346 U1430 A 9 H 6 W 71 81.85 81.85 7.3457488021   
346 U1430 A 9 H CC W 0 83.22 83.22 7.3806657152   
346 U1430 A 10 H 1 W 71 84.75 84.75 7.4196605159   
346 U1430 A 10 H 2 W 71 86.25 86.25 7.4578907126   
346 U1430 A 10 H 3 W 69 87.73 87.73 7.4956111734   
346 U1430 A 10 H 4 W 69 89.23 89.23 7.5338413702   
346 U1430 A 10 H 5 W 71 90.75 90.75 7.5725813029   
346 U1430 A 10 H 6 W 71 92.25 92.25 7.6108114996   
346 U1430 A 10 H CC W 0 93.55 93.55 7.6439443368   
346 U1430 A 11 H 4 W 69 99.35 99.35 7.7917677643   
346 U1430 A 11 H CC W 0 103.71 103.71 7.9028902029   
346 U1430 A 12 H 4 W 69 109.56 109.56 8.0519879702   
346 U1430 A 12 H CC W 0 114.02 114.02 8.1656590886   
346 U1430 A 13 H 4 W 69 119.82 119.82 8.3134825161   
346 U1430 A 13 H CC W 0 124.17 124.17 8.4243500867   
346 U1430 A 14 H 4 W 69 129.73 129.73 8.5660566826   
346 U1430 A 14 H CC W 0 134.19 134.19 8.679727801   
346 U1430 A 15 H 4 W 69 139.65 139.65 8.8188857172   
346 U1430 A 15 H CC W 0 144.11 144.11 8.9325568356   
346 U1430 A 16 H 1 W 71 145.44 145.44 8.9664542767   
346 U1430 A 16 H 2 W 71 146.94 146.94 9.0046844734   
346 U1430 A 16 H 3 W 71 148.44 148.44 9.0429146702   
346 U1430 A 16 H 4 W 71 149.94 149.94 9.081144867   
Tie point of Kamikuri et al. (2017) 150.68 150.68 9.100 3.924 We used the Last Occurrence of L. magnacornuta (Radiolaria), which occurred at the mid depth of 150.68 m CCSF-A. This bioevent has no error margin.
346 U1430 A 16 H 5 W 69 151.42 151.42 9.117   
346 U1430 A 16 H 6 W 71 152.94 152.94 9.151   
346 U1430 A 16 H CC W 0 154.41 154.41 9.184   
346 U1430 A 17 H 1 W 71 156.81 156.81 9.239   
346 U1430 A 17 H 2 W 71 158.31 158.31 9.273   
346 U1430 A 17 H 3 W 69 159.79 159.79 9.306   
346 U1430 A 17 H 4 W 71 161.33 161.33 9.341   
346 U1430 A 17 H 5 W 69 162.83 162.83 9.375   
346 U1430 A 17 H 6 W 71 164.33 164.33 9.409   
346 U1430 A 17 H CC W 0 165.78 165.78 9.442   
Tie point of Kamikuri et al. (2017) 188.24 188.24 9.950 4.418 We used the Last Occurrence of L. magnacornuta (Radiolaria), which occurred at the mid depth of 188.24 m CCSF-A. This bioevent has an error margin of 0.25 Ma