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Braaten, Anna Hauge; Jakob, Kim A; Ho, Sze Ling; Friedrich, Oliver; Galaasen, Eirik Vinje; De Schepper, Stijn; Wilson, Paul A; Meckler, Anna Nele (2023): Mid-Pliocene MgCa bottom water temperatures, stable isotopes and trace metal data from North Atlantic IODP Site 303-U1308 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.960688, In: Braaten, AH et al. (2023): Mid-Pliocene Mg/Ca and clumped isotope bottom water temperatures from ODP Site 138-849 and IODP Site 303-U1308 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.960832

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Abstract:
This dataset contains the results of trace element analysis (Mg/Ca, Fe/Ca and Mn/Ca ratios in mmol/mol) of the benthic foraminifer Oridorsalis umbonatus from Integrated Ocean Drilling Program (IODP) Site U1308 in the North Atlantic (49°52'N, 24°14'W, water depth: 3871m).Trace element ratios were analyzed using a Agilent Inductively Coupled Plasma-Optical Emission Spectrometer (ICP-OES) 720. Mg/Ca data was normalised to the ECRM752-1 standard. The dataset also contains stable isotope measurements (δ18O and δ13C) from the benthic foraminifers Cibicidoides mundulus and Cibicidoides wuellerstorfi. Stable isotope measurements were performed using a Finnigan MAT 253 mass spectrometer coupled to a Kiel IV carbonate device. Values are reported in (‰ PDB). Temperatures calculated using the O. umbonatus-specific calibration by Lear et al. (2002). For temperature calculation, raw Mg/Ca ratios were adjusted to account for past variation in seawater Mg/Ca using estimates of seawater Mg/Ca from Evans et al. (2016).
Keyword(s):
bottom water temperature; Clumped isotopes; Foraminifera; Mg/Ca; mid-Pliocene warm period; MIS M2; stable isotope geochemistry
Coverage:
Latitude: 49.877760 * Longitude: -24.238110
Date/Time Start: 2004-10-30T00:00:00 * Date/Time End: 2004-10-30T00:00:00
Minimum Elevation: -3871.0 m * Maximum Elevation: -3871.0 m
Event(s):
303-U1308  * Latitude: 49.877760 * Longitude: -24.238110 * Date/Time: 2004-10-30T00:00:00 * Elevation: -3871.0 m * Penetration: 1253.5 m * Recovery: 1246 m * Location: North Atlantic * Campaign: Exp303 (North Atlantic Climate 1) * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 134 cores; 1246.0 m cored; 7.5 m drilled; 95.4 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventBraaten, Anna Hauge
2 Depth, compositeDepth compmcdBraaten, Anna Hauge
3 AGEAgeka BPBraaten, Anna HaugeGeocode
4 Sample code/labelSample labelBraaten, Anna HaugeDSDP/ODP/IODP sample designation
5 Oridorsalis umbonatus, Magnesium/Calcium ratioO. umbonatus Mg/Cammol/molBraaten, Anna HaugeICP-OES (Agilent 720)
6 Oridorsalis umbonatus, Iron/Calcium ratioO. umbonatus Fe/Cammol/molBraaten, Anna HaugeICP-OES (Agilent 720)
7 Oridorsalis umbonatus, Manganese/Calcium ratioO. umbonatus Mn/Cammol/molBraaten, Anna HaugeICP-OES (Agilent 720)
8 Bottom water temperatureBWT°CBraaten, Anna HaugeCalculated from Mg/Ca ratiosFor temperature calculation, raw Mg/Ca ratios were adjusted to account for past variation in seawater Mg/Ca using estimates of seawater Mg/Ca from Evans et al. (2016).
9 Cibicidoides mundulus, δ18OC. mundulus δ18O‰ PDBBraaten, Anna HaugeMass spectrometer, Thermo Fisher Scientific, MAT 253 Plusvs. VPDB
10 Cibicidoides wuellerstorfi, δ18OC. wuellerstorfi δ18O‰ PDBBraaten, Anna HaugeMass spectrometer, Thermo Fisher Scientific, MAT 253 Plusvs. VPDB
11 Foraminifera, benthic δ18OForam benth δ18O‰ PDBBraaten, Anna HaugeMass spectrometer, Thermo Fisher Scientific, MAT 253 PlusComposite record
12 Cibicidoides wuellerstorfi, δ13CC. wuellerstorfi δ13C‰ PDBBraaten, Anna HaugeMass spectrometer, Thermo Fisher Scientific, MAT 253 Plusvs. VPDB
13 Cibicidoides mundulus, δ13CC. mundulus δ13C‰ PDBBraaten, Anna HaugeMass spectrometer, Thermo Fisher Scientific, MAT 253 Plusvs. VPDB
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
535 data points

Data

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

1 
Event		2 
Depth comp [mcd]		3 
Age [ka BP]		4 
Sample label		5 
O. umbonatus Mg/Ca [mmol/mol]		6 
O. umbonatus Fe/Ca [mmol/mol]		7 
O. umbonatus Mn/Ca [mmol/mol]		8 
BWT [°C]		9 
C. mundulus δ18O [‰ PDB]		10 
C. wuellerstorfi δ18O [‰ PDB]		11 
Foram benth δ18O [‰ PDB]		12 
C. wuellerstorfi δ13C [‰ PDB]		13 
C. mundulus δ13C [‰ PDB]
303-U1308 253.813193.710000303-U1308C-25H-5,80-822.616902.522502.5697000000.90001.0090
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303-U1308254.013196.830000303-U1308C-25H-5,100-1021.7754745381.2028973171.0332607875.7499982882.650402.538702.5945500001.12300.8250
303-U1308254.113198.395000303-U1308C-25H-5,110-1121.9148882070.7446993051.2720658526.412598020
303-U1308254.213199.960000303-U1308C-25H-5,120-1222.0671155710.7343416991.2271657327.0833317032.550902.399702.4753000001.02201.1150
303-U1308254.313201.525000303-U1308C-25H-5,130-132
303-U1308254.413203.090000303-U1308C-25H-5,140-1422.0575668300.7291345491.2722711427.0422027702.544802.549902.5473500000.95200.9600
303-U1308254.513204.650000303-U1308C-25H-6,0-22.709202.498102.6036500001.02000.9310
303-U1308254.613206.220000303-U1308C-25H-6,10-122.1251673930.8208439221.3970417517.3252516012.432202.4322000000.8990
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303-U1308256.973242.030000303-U1308-26H-1-46-482.511302.518402.5136666671.04600.8865
303-U1308257.073243.040000303-U1308-26H-1-56-582.632102.494102.5631000001.01800.9130
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303-U1308257.973252.170000303-U1308C-26H-1,146-1481.8684852390.4600577800.6715387056.1874490982.775202.697102.7361500000.8110
303-U1308258.013252.570000303-U1308C-26H-2,0-21.8262427490.6548044741.0446284695.9867538472.634102.6341000000.9650
303-U1308258.113253.590000303-U1308C-26H-2,10-122.5051966080.6634487831.3400122908.7593599782.718402.603702.6610500001.02200.7690
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303-U1308258.313255.610000303-U1308C-26H-2,30-322.2590764500.7022479661.0592680057.8517309212.718852.644302.6940000000.99200.9015
303-U1308258.413256.630000303-U1308C-26H-2,40-422.0122226970.6535760331.0812428826.8364190712.740702.618452.6592000000.76500.8430
303-U1308258.513257.640000303-U1308C-26H-2,50-521.9214562330.6477509351.0232134176.4312789042.776202.594052.6547666670.95150.7000
303-U1308258.613258.650000303-U1308C-26H-2,60-621.8101322270.6614880361.1291596695.9074819042.816852.780302.8046666670.97400.8850
303-U1308258.713259.670000303-U1308C-26H-2,70-721.8533921820.6270207910.9965000856.1143986512.833602.801602.8229333330.61600.8590
303-U1308258.813260.680000303-U1308C-26H-2,80-821.8808562160.5757283760.9554446186.2431717792.896002.767102.8530333330.80600.8735
303-U1308258.913261.700000303-U1308C-26H-2,90-922.827002.8270000000.8780
303-U1308259.013262.710000303-U1308C-26H-2,100-1022.652902.6529000000.89400.8320
303-U1308259.223264.835200303-U1308C-26H-2,121-1232.3751633090.9453830571.7971308108.289025590
303-U1308259.483267.474828303-U1308C-26H-2,147-148,52.2580717580.8378171201.2249036767.844947181
303-U1308260.083273.559231303-U1308C-26H-3,57-592.1420737951.0682607811.8377051837.381115779
303-U1308260.503277.816087303-U1308C-26H-3,99-100,52.1753645420.7958752860.9893272487.515372066
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