Citation:

PANGAEA.988449

Name: Neodymium isotope of bulk sediment from ODP Sites 181-1123 and 198-1208
Published: 2026-01-12
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Neodymium isotopes; Pacific deep western current; the Mid-Pleistocene Transition

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Published: 2026-01-12 • DOI registered: 2026-02-10

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Abstract:

The table presents the 143Nd/144Nd ratios measured from bulk sediment at ODP Sites 181-1123 and 198-1208, together with corresponding sample identifiers, depths, and ages. These ratios were converted to εNd values using a chondritic reference of 143Nd/144Nd = 0.512638. All analyses were conducted using MC-ICP-MS at the State Key Laboratory of Marine Geology, Tongji University.

Keyword(s):

Neodymium isotopes; Pacific deep western current; the Mid-Pleistocene Transition

Supplement to:

Li, Ke; Tian, Jun; Zhao, Ning; Du, Jianghui; Liu, Zhonghui; Du, Jinlong; Huang, Enqing (2026): Stable Pacific deep circulation punctuated by episodic intensification during the Mid-Pleistocene Transition. Global and Planetary Change, 257, 105229, https://doi.org/10.1016/j.gloplacha.2025.105229

References:

Elderfield, Henry; Ferretti, Patrizia; Greaves, Mervyn; Crowhurst, Simon J; McCave, I Nicholas; Hodell, David A; Piotrowski, Alexander M (2012): Evolution of ocean temperature and ice volume through the Mid-Pleistocene Climate Transition. Science, 337(6095), 704-709, https://doi.org/10.1126/science.1221294

Coverage:

Median Latitude: -15.814873 * Median Longitude: 178.401200 * South-bound Latitude: -41.786000 * West-bound Longitude: 158.201580 * North-bound Latitude: 36.127160 * East-bound Longitude: -171.498980

Date/Time Start: 1998-09-14T23:55:00 * Date/Time End: 2001-09-17T13:30:00

Minimum Elevation: -3345.7 m * Maximum Elevation: -3289.8 m

Event(s):

181-1123B * Latitude: -41.786000 * Longitude: -171.498980 * Date/Time Start: 1998-09-14T23:55:00 * Date/Time End: 1998-09-19T09:55:00 * Elevation: -3289.8 m * Penetration: 489 m * Recovery: 451.4 m * Location: South Pacific Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 52 cores; 489 m cored; 0 m drilled; 92.3 % recovery

181-1123C * Latitude: -41.785780 * Longitude: -171.499000 * Date/Time Start: 1998-09-19T09:55:00 * Date/Time End: 1998-09-24T10:00:00 * Elevation: -3290.1 m * Penetration: 632.8 m * Recovery: 289.44 m * Location: South Pacific Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 309.9 m cored; 322.9 m drilled; 93.4 % recovery

198-1208A * Latitude: 36.127160 * Longitude: 158.201580 * Date/Time Start: 2001-09-14T23:15:00 * Date/Time End: 2001-09-17T13:30:00 * Elevation: -3345.7 m * Penetration: 392.3 m * Recovery: 345.89 m * Location: North Pacific Ocean * Campaign: * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 42 cores; 392.3 m cored; 0 m drilled; 88.2 % recovery

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Li, Ke
2	Latitude of event	Latitude		Li, Ke
3	Longitude of event	Longitude		Li, Ke
4	Date/Time of event	Date/Time		Li, Ke
5	Sample code/label	Sample label		Li, Ke	DSDP/ODP/IODP sample designation
6	Depth, composite	Depth comp	mcd	Li, Ke	See comment	Elderfield et al. (2012, doi:10.1130/G46546.1); Ford et al. (2019)
7	AGE	Age	ka BP	Li, Ke	See comment	Geocode – Elderfield et al. (2012, doi:10.1130/G46546.1); Ford et al. (2019)
8	Neodymium-143/Neodymium-144 ratio	143Nd/144Nd		Li, Ke	Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS), ThermoFisher Scientific, Neptune Plus
9	ε-Neodymium	ε-Nd		Li, Ke	Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS), ThermoFisher Scientific, Neptune Plus
10	ε-Neodymium, standard error	ε-Nd std e	±	Li, Ke	Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS), ThermoFisher Scientific, Neptune Plus	2SE

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

75 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 Latitude	3 Longitude	4 Date/Time	5 Sample label	6 Depth comp [mcd]	7 Age [ka BP]	8 143Nd/144Nd	9 ε-Nd	10 ε-Nd std e [±]
181-1123B	-41.7860	-171.4990	1998-09-14T23:55	181-1123B-4H-5,18-20	29.31	687	0.512401	-9.25	0.22
181-1123C	-41.7858	-171.4990	1998-09-19T09:55	181-1123C-4H-3,141-143	33.14	792	0.512423	-8.37	0.35
181-1123B	-41.7860	-171.4990	1998-09-14T23:55	181-1123B-5H-1,25-27	35.06	838	0.512437	-7.84	0.21
181-1123B	-41.7860	-171.4990	1998-09-14T23:55	181-1123B-5H-2,14-16	36.45	886	0.512482	-6.07	0.25
181-1123C	-41.7858	-171.4990	1998-09-19T09:55	181-1123C-4H-7,28-30	38.01	925	0.512445	-7.51	0.24
181-1123B	-41.7860	-171.4990	1998-09-14T23:55	181-1123B-5H-4,93-95	40.24	986	0.512488	-5.85	0.25
181-1123B	-41.7860	-171.4990	1998-09-14T23:55	181-1123B-6H-1,117-119	44.18	1088	0.512410	-8.89	0.29
181-1123B	-41.7860	-171.4990	1998-09-14T23:55	181-1123B-7H-4,87-89	59.60	1288	0.512673	1.36	0.19
198-1208A	36.1272	158.2016	2001-09-14T23:15	198-1208A-5H-1,38-40	33.59	612	0.512392	-9.59	0.14
198-1208A	36.1272	158.2016	2001-09-14T23:15	198-1208A-6H-1,41-43	43.12	791	0.512424	-8.35	0.22
198-1208A	36.1272	158.2016	2001-09-14T23:15	198-1208A-6H-3,40-42	46.11	853	0.512326	-12.15	0.17
198-1208A	36.1272	158.2016	2001-09-14T23:15	198-1208A-6H-5,32-34	49.03	915	0.512352	-11.15	0.17
198-1208A	36.1272	158.2016	2001-09-14T23:15	198-1208A-6H-7,10-12	51.81	972	0.512353	-11.11	0.24
198-1208A	36.1272	158.2016	2001-09-14T23:15	198-1208A-7H-2,130-132	55.01	1038	0.512383	-9.96	0.22
198-1208A	36.1272	158.2016	2001-09-14T23:15	198-1208A-7H-5,80-82	59.01	1135	0.512366	-10.62	0.17