Bailey, Ian; Liu, Qingsong; Swann, George E A; Jiang, Zhaoxia; Sun, Youbin; Zhao, Xiang; Roberts, Andrew P (2011): Silicon isotope ratios of diatoms from ODP Site 145-882 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.772035, In supplement to: Bailey, I et al. (2011): Iron fertilisation and biogeochemical cycles in the sub-Arctic northwest Pacific during the late Pliocene intensification of northern hemisphere glaciation. Earth and Planetary Science Letters, 307(3-4), 253-265, https://doi.org/10.1016/j.epsl.2011.05.029
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 50.363300 * Longitude: 167.599800
Date/Time Start: 1992-08-05T00:00:00 * Date/Time End: 1992-08-08T00:00:00
Minimum Elevation: -3255.0 m * Maximum Elevation: -3255.0 m
Event(s):
145-882 * Latitude: 50.363300 * Longitude: 167.599800 * Date/Time Start: 1992-08-05T00:00:00 * Date/Time End: 1992-08-08T00:00:00 * Elevation: -3255.0 m * Penetration: 668.7 m * Recovery: 692.1 m * Location: North Pacific Ocean * Campaign: Leg145 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 71 cores; 668.7 m cored; 0 m drilled; 103.5% recovery
Comment:
For d18O diatom and diatom species abundance see Swaan (2010) dataset: doi:10.1594/PANGAEA.772032. Diatoms were extracted using existing techniques with analysed (75-150 µm) fraction dominated by two taxa; Coscinodiscus marginatus (Ehrenb.) and C. radiatus (Ehrenb.) (Swann, 2010, doi:10.1016/j.epsl.2010.06.035). d30Sidiatom was analysed using step-wise fluorination at the NERC Isotope Geosciences Laboratory, U.K., with silicon collected as SiF4. Measurements were made on a Finnigan MAT 253 stable isotope ratio mass spectrometre with values corrected using NIGL within-run laboratory diatom standard BFCmod against NBS28 (Leng and Sloane, 2008, doi:10.1002/jqs.1177).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Bailey, Ian | DSDP/ODP/IODP sample designation | ||
| 2 | AGE | Age | ka BP | Geocode | ||
| 3 | δ30Si, biogenic silica | δ30Si bSiO2 | ‰ | Bailey, Ian | Mass spectrometer, Finnigan, MAT 253 |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
60 data points