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Sangiorgi, Francesca (2020): Miocene ocean temperatures (TEX86-L) of IODP Site U1356 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.914001

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Abstract:
Early and mid-Miocene sea surface ocean temperatures in the sediment record of International Ocean Discovery Program (IODP) Site U1356, offshore Wilkes Land (Antarctica), were obtained through analyses of iso-GDGTs (glycerol dialkyl glycerol tetraethers) and TEX86-based paleothermometry. Sediment samples were extracted using accelerated solvent extraction technique (ASE) and the polar fractions were analyzed for tetraether lipids using high-performance liquid chromatography/atmospheric pressure positive ion chemical ionisation mass spectrometry (HPLC/APCI-MS) as described by Schouten et al. (2007). TEX-L (calibration 0-200m, Kim et al., 2012) was chosen to calculate temperatures.
Keyword(s):
Antarctica; IODP; Miocene; ocean; TEX86; Wilkes land
Related to:
Other version:
Further details:
Kim, Jung-Hyun; Crosta, Xavier; Willmott, Verónica; Renssen, Hans; Bonnin, Jerome; Helmke, Peer; Schouten, Stefan; Sinninghe Damsté, Jaap S (2012): Holocene subsurface temperature variability in the eastern Antarctic continental margin. Geophysical Research Letters, 39, L06705, https://doi.org/10.1029/2012GL051157
Schouten, Stefan; Forster, Astrid; Panoto, F Elda; Sinninghe Damsté, Jaap S (2007): Towards calibration of the TEX86 palaeothermometer for tropical sea surface temperatures in ancient greenhouse worlds. Organic Geochemistry, 38(9), 1537-1546, https://doi.org/10.1016/j.orggeochem.2007.05.014
Zhang, Yi Ge; Pagani, Mark; Wang, Zhengrong (2016): Ring Index: A new strategy to evaluate the integrity of TEX86 paleothermometry. Paleoceanography, 31(2), 220-232, https://doi.org/10.1002/2015PA002848
Zhang, Yi Ge; Zhang, Chuanlun L; Liu, Xiao-Lei; Li, Li; Hinrichs, Kai-Uwe; Noakes, T D (2011): Methane Index: A tetraether archaeal lipid biomarker indicator for detecting the instability of marine gas hydrates. Earth and Planetary Science Letters, 307(3-4), 525-534, https://doi.org/10.1016/j.epsl.2011.05.031
Coverage:
Latitude: -63.310230 * Longitude: 135.998960
Minimum DEPTH, sediment/rock: 97.10 m * Maximum DEPTH, sediment/rock: 404.19 m
Event(s):
318-U1356A * Latitude: -63.310230 * Longitude: 135.998960 * Elevation: -4003.0 m * Recovery: 350.14 m * Campaign: Exp318 (Wilkes Land) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 106 cores; 1006.4 m cored; 35 % recovered; 0 m drilled; 1006.4 m penetrated
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Sample code/labelSample labelSangiorgi, FrancescaIODP sample designation
2DEPTH, sediment/rockDepth sedmSangiorgi, FrancescaGeocode
3AGEAgeka BPSangiorgi, FrancescaGeocode
4Isoprenoid acyclic glycerol dialkyl glycerol tetraether (peak area)iso GDGT-0Sangiorgi, Francesca
5Isoprenoid monocyclic glycerol dialkyl glycerol tetraether (peak area)iso GDGT-1Sangiorgi, Francesca
6Isoprenoid dicyclic glycerol dialkyl glycerol tetraether (peak area)iso GDGT-2Sangiorgi, Francesca
7Isoprenoid tricyclic glycerol dialkyl glycerol tetraether (peak area)iso GDGT-3Sangiorgi, Francesca
8Crenarchaeol (peak area)Cren peak areaSangiorgi, FrancescaGDGT-4
9Crenarchaeol isomer (peak area)Cren iso peak areaSangiorgi, FrancescaGDGT-4'
10Branched glycerol dialkyl glycerol tetraether, IIIa (peak area)brGDGT IIIa peak areaSangiorgi, Francesca
11Branched glycerol dialkyl glycerol tetraether, IIa (peak area)brGDGT IIa peak areaSangiorgi, Francesca
12Branched glycerol dialkyl glycerol tetraether, Ia (peak area)brGDGT Ia peak areaSangiorgi, Francesca
13Isoprenoid glycerol dialkyl glycerol tetraether (peak area)iso GDGT peak areaSangiorgi, FrancescaSum iso-GDGT
14Acyclic glycerol dialkyl glycerol tetraetherGDGT-0%Sangiorgi, Francesca
15Monocyclic glycerol dialkyl glycerol tetraetherGDGT-1%Sangiorgi, Francesca
16Dicyclic glycerol dialkyl glycerol tetraetherGDGT-2%Sangiorgi, Francesca
17Tricyclic glycerol dialkyl glycerol tetraetherGDGT-3%Sangiorgi, Francesca
18CrenarchaeolCren%Sangiorgi, Francesca
19Crenarchaeol isomerCren iso%Sangiorgi, Francesca
20Tetraether index of 86 carbon atomsTEX86Sangiorgi, Francesca
21Sea surface temperatureSST°CSangiorgi, FrancescaTemperature TEX-L 0m-200m
22Sea surface temperatureSST°CSangiorgi, FrancescaTemperature TEX-L 0m
23Branched and isoprenoid tetraether indexBITSangiorgi, Francesca
24Methane indexMISangiorgi, FrancescaZhang et al. (2011)
25RatioRatioSangiorgi, FrancescaGDGT-2 to GDGT-3 ratio
26RatioRatioSangiorgi, FrancescaGDGT-0 to crenarchaeol ratio
27Ring indexRISangiorgi, FrancescaZhang et al. (2016)
Size:
707 data points

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