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

Matsuzaki, Kenji M.; Itaki, Takuya; Tada, Ryuji; Kamikuri, Shin-ichi

doi:10.1186/s40645-018-0204-7

Progress in Earth and Planetary Science

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

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