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Nilsson-Kerr, Katrina; Hoogakker, Babette A A; Reyes-Macaya, Dharma; Winkelbauer, Helge Arne; Hamilton, Elliott; Chenery, Simon; Davis, Catherine V; Leng, Melanie J (2025): Tropical Pacific late Cenozoic Iodine/Calcium from planktic foraminifera species from ODP site 202-1237 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.980879

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Published: 2025-06-24 • DOI registered: 2025-06-24

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Abstract:
We apply the Iodine to Calcium (I/Ca) ratio in planktic foraminifera to reconstruct oceanic oxygen across the late Cenozoic. The data includes I/Ca ratios from planktic foraminifera species inhabiting a range of inferred depths within the water column as well as stable oxygen and carbon isotopes from benthic and planktic foraminifera species. Geochemical data spans the late Cenozoic (16 - 0 Ma) from across the tropical Pacific Ocean.
Keyword(s):
Foraminifera; I/Ca; late cenozoic; Pacific
Related to:
Nilsson-Kerr, Katrina; Hoogakker, Babette A A; Reyes-Macaya, Dharma; Winkelbauer, Helge Arne; Hamilton, Elliott; Chenery, Simon; Davis, Catherine V; Leng, Melanie J (2025): Late Cenozoic intensification of deoxygenation in the Pacific Ocean. Earth and Planetary Science Letters, 655, 119253, https://doi.org/10.1016/j.epsl.2025.119253
Project(s):
Ocean Drilling Program (ODP)
Funding:
Natural Environment Research Council (NERC), grant/award no. MR/S034293/1: Fate of ocean oxygenation in a warming world
Coverage:
Latitude: -16.007030 * Longitude: -76.378080
Date/Time Start: 2002-04-29T07:24:00 * Date/Time End: 2002-05-01T03:25:00
Minimum DEPTH, sediment/rock: 15.255 m * Maximum DEPTH, sediment/rock: 213.305 m
Event(s):
202-1237C * Latitude: -16.007030 * Longitude: -76.378080 * Date/Time Start: 2002-04-29T07:24:00 * Date/Time End: 2002-05-01T03:25:00 * Elevation: -3211.9 m * Penetration: 315.3 m * Recovery: 323.7 m * Location: South Pacific Ocean * Campaign: Leg202 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 313.3 m cored; 2 m drilled; 103.3 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample code/labelSample labelNilsson-Kerr, KatrinaDSDP/ODP/IODP sample designation
2 DEPTH, sediment/rockDepth sedmNilsson-Kerr, KatrinaGeocode – MCD
3 AGEAgeka BPNilsson-Kerr, KatrinaGeocode
4 Globorotalia menardii, Iodine/Calcium ratioG. menardii I/Caµmol/molNilsson-Kerr, KatrinaInductively coupled plasma mass spectrometer (ICP-MS), Agilent, 8900size fraction > 250 µm
5 Orbulina universa, Iodine/Calcium ratioO. universa I/Caµmol/molNilsson-Kerr, KatrinaInductively coupled plasma mass spectrometer (ICP-MS), Agilent, 8900size fraction > 250 µm
6 Globorotalia crassaformis, Iodine/Calcium ratioG. crassaformis I/Caµmol/molNilsson-Kerr, KatrinaInductively coupled plasma mass spectrometer (ICP-MS), Agilent, 8900size fraction > 250 µm
7 Dentoglobigerina venezuelana, Iodine/Calcium ratioD. venezuelana I/Caµmol/molNilsson-Kerr, KatrinaInductively coupled plasma mass spectrometer (ICP-MS), Agilent, 8900size fraction > 250 µm
8 Dentoglobigerina altispira, Iodine/Calcium ratioD. altispira I/Caµmol/molNilsson-Kerr, KatrinaInductively coupled plasma mass spectrometer (ICP-MS), Agilent, 8900size fraction > 250 µm
9 Globoturborotalita nepenthes, Iodine/Calcium ratioG. nepenthes I/Caµmol/molNilsson-Kerr, KatrinaInductively coupled plasma mass spectrometer (ICP-MS), Agilent, 8900size fraction > 250 µm
10 Cibicidoides wuellerstorfi, δ13CC. wuellerstorfi δ13C‰ PDBNilsson-Kerr, KatrinaIsoprime dual inlet mass-spectrometervs. VPDB
11 Cibicidoides wuellerstorfi, δ18OC. wuellerstorfi δ18O‰ PDBNilsson-Kerr, KatrinaIsoprime dual inlet mass-spectrometervs. VPDB
12 Cibicidoides kullenbergi, δ13CC. kullenbergi δ13C‰ PDBNilsson-Kerr, KatrinaIsoprime dual inlet mass-spectrometervs. VPDB
13 Cibicidoides kullenbergi, δ18OC. kullenbergi δ18O‰ PDBNilsson-Kerr, KatrinaIsoprime dual inlet mass-spectrometervs. VPDB
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
54 data points

Data

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

1 
Sample label		2 
Depth sed [m]		3 
Age [ka BP]		4 
G. menardii I/Ca [µmol/mol]		5 
O. universa I/Ca [µmol/mol]		6 
G. crassaformis I/Ca [µmol/mol]		7 
D. venezuelana I/Ca [µmol/mol]		8 
D. altispira I/Ca [µmol/mol]		9 
G. nepenthes I/Ca [µmol/mol]		10 
C. wuellerstorfi δ13C [‰ PDB]		11 
C. wuellerstorfi δ18O [‰ PDB]		12 
C. kullenbergi δ13C [‰ PDB]		13 
C. kullenbergi δ18O [‰ PDB]
202-1237C-2H-5W,104-10515.2552030.040
202-1237C-2H-6W,79-8016.5153150.070
202-1237C-6H-3W,14-1554.93529890.1900.5500.1312.892
202-1237C-7H-3W,49-5065.27535910.3600.920-0.1172.331
202-1237C-8H-2W,124-12574.7254137-0.1252.307
202-1237C-9H-1W,79-8082.76545800.4500.2900.6200.4492.594
202-1237C-10H-2W,59-6094.61551730.7700.3100.6900.3302.470
202-1237C-12H-2W,49-50114.92562930.4600.2572.422
202-1237C-14H-4W,49-50141.36577520.5400.875
202-1237C-15H-4W,49-50150.87582770.4972.496
202-1237C-16H-4W,44-45162.16589000.9801.237
202-1237C-17H-7W,19-20176.905103811.040
202-1237C-18H-2W,94-95181.255110651.1000.810
202-1237C-19H-4W,49-50195.095121753.6705.640
202-1237C-21H-2W,54-55213.305137236.3782.1232.217