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Cornuault, Pauline; Westerhold, Thomas; Pälike, Heiko; Bickert, Torsten; Baumann, Karl-Heinz; Kucera, Michal (2022): Oxygen and carbon stable isotopes ratios from benthic foraminifera from Miocene Climatic Optimum (MCO) (15589 to 15964 ka) time interval, ODP Hole 154-927A, Ceara Rise, tropical Atlantic Ocean [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.945812, In: Cornuault, P et al. (2022): Splice composition of the Leg 154, Site 927, from 110.43 mcd to 119.79 mcd , Ceara Rise, tropical Atlantic [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.945947

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Abstract:
Stable oxygen and carbon isotope ratios measured on benthic foraminifera (Cibicidoides mundulus, Cibicidoides wuellerstorfi and Oridorsalis umbonatus) from the Miocene time interval from 15589 to 15964 ka at Leg 154 Site 927, Ceara Rise, tropical Atlantic. The sediment samples were washed and sieved at 63 µm and dry-sieved at 150 µm for benthic foraminifera picking. We performed stable isotope analyses (ẟ18O and ẟ13C) at Bremen university, using a ThermoFisher Scientific MAT 253plus gas isotope ratio mass spectrometer with a Kiel IV automated carbonate preparation device. This gives ẟ18O values with a standard deviation of house standard (Solnhofen limestone) over measurement period of 0.07 ‰ and ẟ13C values with standard deviation of house standard (Solnhofen limestone) over measurement period of 0.03 ‰. The number of specimens used for each measurement is specified. For the species-specific ẟ18O and ẟ13C values correction, we used the calibration given in the supplement table S3 from Westerhold et al. (2020, DOI: 10.1126/science.aba6853), and the average is calculated from the corrected values. The composite depths and age model presented are from this study.
Keyword(s):
Ceara Rise; d13C; d18O; ẟ13C; ẟ18O; MCO; Miocene; Stable isotopes; tropical Atlantic
Related to:
Cornuault, Pauline; Westerhold, Thomas; Pälike, Heiko; Bickert, Torsten; Baumann, Karl-Heinz; Kucera, Michal (2023): Nature and origin of variations in pelagic carbonate production in the tropical ocean since the mid-Miocene (ODP Site 927). Biogeosciences, 20(3), 597-618, https://doi.org/10.5194/bg-20-597-2023
Project(s):
Ocean Drilling Program (ODP)
Funding:
German Research Foundation (DFG), grant/award no. 390741603: EXC 2077: The Ocean Floor – Earth's Uncharted Interface
Coverage:
Latitude: 5.462660 * Longitude: -44.480500
Date/Time Start: 1994-02-28T06:30:00 * Date/Time End: 1994-03-01T15:54:00
Minimum DEPTH, sediment/rock: 305.39 m * Maximum DEPTH, sediment/rock: 310.39 m
Event(s):
154-927A * Latitude: 5.462660 * Longitude: -44.480500 * Date/Time Start: 1994-02-28T06:30:00 * Date/Time End: 1994-03-01T15:54:00 * Elevation: -3325.0 m * Penetration: 312.5 m * Recovery: 315.79 m * Location: South Atlantic Ocean * Campaign: Leg154 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 312.5 m cored; 0 m drilled; 101.1 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample code/labelSample labelCornuault, Pauline
2 Cruise/expeditionExpeditionCornuault, Pauline
3 SiteSiteCornuault, Pauline
4 HoleHCornuault, Pauline
5 CoreCoreCornuault, Pauline
6 TypeTypeCornuault, Pauline
7 SectionSectCornuault, Pauline
8 HalfHalfCornuault, Pauline
9 OffsetOffsetcmCornuault, PaulineTop
10 OffsetOffsetcmCornuault, PaulineBottom
11 VolumeVolcm3Cornuault, Pauline
12 ShapeShapeCornuault, PaulineShape/Tool
13 DEPTH, sediment/rockDepth sedmCornuault, PaulineGeocode – mbsf, mean
14 Depth, compositeDepth compmcdCornuault, Paulinemean
15 AGEAgeka BPCornuault, PaulineGeocode
16 Oridorsalis umbonatusO. umbonatus#Cornuault, Paulinenb analysed
17 Cibicidoides mundulusC. mundulus#Cornuault, Paulinenb analysed
18 Cibicidoides wuellerstorfiC. wuellerstorfi#Cornuault, Paulinenb analysed
19 Oridorsalis umbonatus, δ18OO. umbonatus δ18O‰ PDBCornuault, PaulineMass spectrometer ThermoFisher Scientific 253plus gas coupled to a KIEL IV carbonate preparation device
20 Cibicidoides mundulus, δ18OC. mundulus δ18O‰ PDBCornuault, PaulineMass spectrometer ThermoFisher Scientific 253plus gas coupled to a KIEL IV carbonate preparation device
21 Cibicidoides mundulus, δ18OC. mundulus δ18O‰ PDBCornuault, PaulineCorrected
22 Cibicidoides wuellerstorfi, δ18OC. wuellerstorfi δ18O‰ PDBCornuault, PaulineMass spectrometer ThermoFisher Scientific 253plus gas coupled to a KIEL IV carbonate preparation device
23 Cibicidoides wuellerstorfi, δ18OC. wuellerstorfi δ18O‰ PDBCornuault, PaulineCorrected
24 Foraminifera, benthic δ18OForam benth δ18O‰ PDBCornuault, PaulineAverage correctedavg. of C. mundulus, C. wuellerstorfi and O. umbonatus
25 Oridorsalis umbonatus, δ13CO. umbonatus δ13C‰ PDBCornuault, PaulineMass spectrometer ThermoFisher Scientific 253plus gas coupled to a KIEL IV carbonate preparation device
26 Oridorsalis umbonatus, δ13CO. umbonatus δ13C‰ PDBCornuault, PaulineCorrected
27 Cibicidoides mundulus, δ13CC. mundulus δ13C‰ PDBCornuault, PaulineMass spectrometer ThermoFisher Scientific 253plus gas coupled to a KIEL IV carbonate preparation device
28 Cibicidoides wuellerstorfi, δ13CC. wuellerstorfi δ13C‰ PDBCornuault, PaulineMass spectrometer ThermoFisher Scientific 253plus gas coupled to a KIEL IV carbonate preparation device
29 Foraminifera, benthic δ13CForam benth δ13C‰ PDBCornuault, PaulineAverage correctedavg. of C. mundulus, C. wuellerstorfi and O. umbonatus
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
961 data points

Data

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

1 
Sample label		2 
Expedition		3 
Site		4 
H		5 
Core		6 
Type		7 
Sect		8 
Half		9 
Offset [cm]
(Top)		10 
Offset [cm]
(Bottom)		11 
Vol [cm3]		12 
Shape
(Shape/Tool)		13 
Depth sed [m]
(mbsf, mean)		14 
Depth comp [mcd]
(mean)		15 
Age [ka BP]		16 
O. umbonatus [#]
(nb analysed)		17 
C. mundulus [#]
(nb analysed)		18 
C. wuellerstorfi [#]
(nb analysed)		19 
O. umbonatus δ18O [‰ PDB]
(Mass spectrometer ThermoFishe...)		20 
C. mundulus δ18O [‰ PDB]
(Mass spectrometer ThermoFishe...)		21 
C. mundulus δ18O [‰ PDB]
(Corrected)		22 
C. wuellerstorfi δ18O [‰ PDB]
(Mass spectrometer ThermoFishe...)		23 
C. wuellerstorfi δ18O [‰ PDB]
(Corrected)		24 
Foram benth δ18O [‰ PDB]
(avg. of C. mundulus, C. wuell...)		25 
O. umbonatus δ13C [‰ PDB]
(Mass spectrometer ThermoFishe...)		26 
O. umbonatus δ13C [‰ PDB]
(Corrected)		27 
C. mundulus δ13C [‰ PDB]
(Mass spectrometer ThermoFishe...)		28 
C. wuellerstorfi δ13C [‰ PDB]
(Mass spectrometer ThermoFishe...)		29 
Foram benth δ13C [‰ PDB]
(avg. of C. mundulus, C. wuell...)
154-927A-33H-2W,88-90154927A33H2W889010HRND305.39327.2915589.3187531.1041.104000.5371.5371.5370
154-927A-33H-2W,108-110154927A33H2W10811010HRND305.59327.4915610.4962231.1271.127000.6081.6081.6080
154-927A-33H-2W,117-119154927A33H2W11711910HRND305.68327.5815618.0928312.0802.080000.8821.8821.8820
154-927A-33H-2W,138-140154927A33H2W13814010HRND305.89327.7915633.84819331.5041.0791.5791.541500.3521.3521.5461.4490
154-927A-33H-3W,8-10154927A33H3W81010HRND306.09327.9915648.8532922.0932.093000.5441.5441.5440
154-927A-33H-3W,18-20154927A33H3W182010HRND306.19328.0915656.3558421.4681.9681.968001.6531.6530
154-927A-33H-3W,28-30154927A33H3W283010HRND306.29328.1915663.7566531.9481.948000.8011.8011.8010
154-927A-33H-3W,38-40154927A33H3W384010HRND306.39328.2915670.8178712.0782.078000.9051.9051.9050
154-927A-33H-3W,48-50154927A33H3W485010HRND306.49328.3915677.879103312.0981.6072.1071.3672.0072.070670.4351.4351.5281.7681.5770
154-927A-33H-3W,58-60154927A33H3W586010HRND306.59328.4915684.9403231.8811.881000.2381.2381.2380
154-927A-33H-3W,67-69154927A33H3W676910HRND306.68328.5815691.2954232.0352.035000.2791.2791.2790
154-927A-33H-3W,78-80154927A33H3W788010HRND306.79328.6915699.0627732.0662.066000.4961.4961.4960
154-927A-33H-3W,88-90154927A33H3W889010HRND306.89328.7915706.58963221.8391.5832.0831.961000.9041.9041.7441.8240
154-927A-33H-3W,98-100154927A33H3W9810010HRND306.99328.8915715.0890631.7911.791000.6731.6731.6730
154-927A-33H-3W,108-110154927A33H3W10811010HRND307.09328.9915723.58849332.1701.6512.1512.160500.9001.9001.7131.8065
154-927A-33H-3W,118-120154927A33H3W11812010HRND307.19329.0915732.08792332.0131.6712.1712.092000.5751.5751.5821.5785
154-927A-33H-3W,128-130154927A33H3W12813010HRND307.29329.1915740.5873431.8591.859000.7991.7991.7990
154-927A-33H-3W,138-140154927A33H3W13814010HRND307.39329.2915748.47417231.6601.6142.1141.887000.8171.8171.6841.7505
154-927A-33H-4W,8-10154927A33H4W81010HRND307.59329.4915762.5313731.7551.755000.5171.5171.5170
154-927A-33H-4W,18-20154927A33H4W182010HRND307.69329.5915769.5599731.8231.823000.7311.7311.7310
154-927A-33H-4W,28-30154927A33H4W283010HRND307.79329.6915776.5885832.0222.022000.7251.7251.7250
154-927A-33H-4W,38-40154927A33H4W384010HRND307.89329.7915783.73289321.8831.2711.7711.827000.4271.4271.6101.5185
154-927A-33H-4W,48-50154927A33H4W485010HRND307.99329.8915790.9559731.9581.958000.5551.5551.5550
154-927A-33H-4W,58-60154927A33H4W586010HRND308.09329.9915798.17904331.7521.5492.0491.900500.5131.5131.6601.5865
154-927A-33H-4W,67-69154927A33H4W676910HRND308.18330.0815804.67981331.7111.8202.3202.015500.7441.7441.3491.5465
154-927A-33H-4W,78-80154927A33H4W788010HRND308.29330.1915812.62520331.9091.2801.7801.844500.7841.7841.4391.6115
154-927A-33H-4W,88-90154927A33H4W889010HRND308.39330.2915819.8482721.7081.708000.9121.9121.9120
154-927A-33H-4W,98-100154927A33H4W9810010HRND308.49330.3915827.0713531.1981.6981.698001.5921.5920
154-927A-33H-4W,108-110154927A33H4W10811010HRND308.59330.4915834.2944331.3991.399000.8311.8311.8310
154-927A-33H-4W,117-119154927A33H4W11711910HRND308.68330.5815840.7952031.6801.680000.7491.7491.7490
154-927A-33H-4W,128-130154927A33H4W12813010HRND308.79330.6915848.7405821.5491.549001.0342.0342.0340
154-927A-33H-4W,138-140154927A33H4W13814010HRND308.89330.7915855.9636621.5571.557001.0392.0392.0390
154-927A-33H-4W,147-149154927A33H4W14714910HRND308.98330.8815862.4644311.4251.425000.7531.7531.7530
154-927A-33H-5W,10-12154927A33H5W101210HRND309.11331.0115871.8544331.1611.6611.661001.5831.5830
154-927A-33H-5W,18-20154927A33H5W182010HRND309.19331.0915877.6328931.7351.735000.8961.8961.8960
154-927A-33H-5W,28-30154927A33H5W283010HRND309.29331.1915884.85596331.7071.5842.0841.895501.1562.1561.8021.9790
154-927A-33H-5W,38-40154927A33H5W384010HRND309.39331.2915892.0790431.2231.7231.723001.9121.9120
154-927A-33H-5W,48-50154927A33H5W485010HRND309.49331.3915899.30212321.8271.4741.9741.900500.8791.8791.9071.8930
154-927A-33H-5W,58-60154927A33H5W586010HRND309.59331.4915906.52519322.1571.6642.1642.160500.8651.8651.5001.6825
154-927A-33H-5W,68-70154927A33H5W687010HRND309.69331.5915913.74827221.6671.5402.0401.853500.5151.5151.9401.7275
154-927A-33H-5W,78-80154927A33H5W788010HRND309.79331.6915920.9713531.6861.686000.8001.8001.8000
154-927A-33H-5W,88-90154927A33H5W889010HRND309.89331.7915928.19442321.6781.1071.7471.712500.8571.8572.1462.0015
154-927A-33H-5W,98-100154927A33H5W9810010HRND309.99331.8915935.41750331.4571.3721.8721.664500.4731.4731.9771.7250
154-927A-33H-5W,108-110154927A33H5W10811010HRND310.09331.9915942.6405831.7701.770000.8491.8491.8490
154-927A-33H-5W,117-119154927A33H5W11711910HRND310.18332.0815949.1413422.0092.009001.0442.0442.0440
154-927A-33H-5W,128-130154927A33H5W12813010HRND310.29332.1915957.0867331.4571.9571.957002.1492.1490
154-927A-33H-5W,138-140154927A33H5W13814010HRND310.39332.2915964.3098131.8241.824001.2692.2692.2690