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Londoño, Vanessa; Collins, Laurel S (2021): Biomarker indices from the Cenomanian-Turonian at IODP Site 342-U1407 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.938137, In: Londoño, V; Collins, LS (2021): Bulk organic-carbon geochemistry, major and trace element concentrations, and microfossil abundances in Cenomanian-Turonian sediments from IODP Site 342-U1407, Southeast Newfoundland Ridge [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.938139

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Keyword(s):
Cenomanian-Turonian Boundary; Micropaleontology; Oceanic Anoxic Event 2; Paleoceanography; Paleoenvironmental reconstructions; paleoproductivity
Related to:
Londoño, Vanessa; Collins, Laurel S (accepted): Controls on sedimentary accumulation of organic matter during Cretaceous oceanic anoxic event 2, IODP site U1407, Southeast Newfoundland Ridge. Marine Geology, 106699, https://doi.org/10.1016/j.margeo.2021.106699
Coverage:
Latitude: 41.424980 * Longitude: -49.813310
Minimum Elevation: -3073.0 m * Maximum Elevation: -3073.0 m
Event(s):
342-U1407 * Latitude: 41.424980 * Longitude: -49.813310 * Elevation: -3073.0 m * Campaign: Exp342 (Paleogene Newfoundland Sediment Drifts) * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Depth, compositeDepth compmcdLondoño, VanessaIODP Depth Scale TerminologyDepth below seafloor
2 Odd-even predominance indexOEPLondoño, VanessaGas chromatography-mass spectrometer (GC-MS, Agilent 5973)n-alkane ratio (n-C25+(6*n-C27)+n-C29)/(4*(n-C26+n-C28))
3 Terrigenous/aquatic ratioTARLondoño, VanessaGas chromatography-mass spectrometer (GC-MS, Agilent 5973)n-alkane ratio (nC27+nC29+nC31)/(nC15+nC17+nC19)
4 Pristane/Phytane ratioPr/PhyLondoño, VanessaGas chromatography-mass spectrometer (GC-MS, Agilent 5973)
5 Gammacerane indexGammacerane ILondoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436Gammacerane/ C30 hopane
6 RatioRatioLondoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436Ts/(Ts+Tm) ratio of 18α (H)-trisnorneohopane (Ts) and 17α (H)–trisnorhopane (Tm)
7 RatioRatioLondoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436C31 Hopane 22S/(22S+22R)
8 RatioRatioLondoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436C27 Sterane 20S/(20S+20R)
9 RatioRatioLondoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436C29 sterane 20S/(20S+20R)
10 PercentagePerc%Londoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436%C27 aaaR
11 PercentagePerc%Londoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436%C28 aaaR
12 PercentagePerc%Londoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436%C29 aaaR
13 Stenols, n-C29/n-C27 ratioC29/C27Londoño, VanessaGas chromatography triple quadrupole Mass Spectrometer (GC-QQQ-MS), Bruker EvoQ Scion 436
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
159 data points

Data

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

1 
Depth comp [mcd]
(Depth below seafloor, IODP De...)		2 
OEP
(n-alkane ratio (n-C25+(6*n-C2...)		3 
TAR
(n-alkane ratio (nC27+nC29+nC3...)		4 
Pr/Phy
(Gas chromatography-mass spect...)		5 
Gammacerane I
(Gammacerane/ C30 hopane, Gas ...)		6 
Ratio
(Ts/(Ts+Tm) ratio of 18α (H)-t...)		7 
Ratio
(C31 Hopane 22S/(22S+22R), Gas...)		8 
Ratio
(C27 Sterane 20S/(20S+20R), Ga...)		9 
Ratio
(C29 sterane 20S/(20S+20R), Ga...)		10 
Perc [%]
(%C27 aaaR, Gas chromatography...)		11 
Perc [%]
(%C28 aaaR, Gas chromatography...)		12 
Perc [%]
(%C29 aaaR, Gas chromatography...)		13 
C29/C27
(Gas chromatography triple qua...)
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269.3800.980.0136529341.749629141
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269.7001.190.0395162772.2928052140.3653998050.0983606560.07476313521.6108837018.67324825059.715868052.763231198
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