Geibert, Walter; Matthiessen, Jens; Stimac, Ingrid; Wollenburg, Jutta Erika; Stein, Ruediger (2020): Thorium and Uranium in sediment cores PS2185-3 and PS2185-6 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.914623, In: Geibert, W et al. (2020): 230Th excess, U isotopes, elemental data together with microfossil data and their stable isotopes [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.914629
Always quote citation above when using data! You can download the citation in several formats below.
Related to:
Geibert, Walter; Matthiessen, Jens; Stimac, Ingrid; Wollenburg, Jutta Erika; Stein, Ruediger (2021): Glacial episodes of a freshwater Arctic Ocean covered by a thick ice shelf. Nature, https://doi.org/10.1038/s41586-021-03186-y
Strobl, Christopher (1998): Datierung von Sedimentkernen und Rekonstruktion der Transportwege der Radionuklide 10Be, 230Th und 231 Pa in hohen nördlichen Breiten [dissertation]. Ruprecht-Karls-Universität, Heidelberg, 231 pp, hdl:10013/epic.48654.d001
Source:
Strobl, Christopher (1998): (Appendix D) Content of 230Th, 232Th, 238U of sediment core PS2185-3 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.865301
Strobl, Christopher (1998): (Appendix D) Content of 230Th, 232Th, 238U of sediment core PS2185-6 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.865302
Coverage:
Latitude: 87.529300 * Longitude: 144.166200
Date/Time Start: 1991-09-02T00:00:00 * Date/Time End: 1991-09-02T00:00:00
Minimum DEPTH, sediment/rock: 0.000 m * Maximum DEPTH, sediment/rock: 3.975 m
Event(s):
PS2185-3 (PS19/186) * Latitude: 87.529300 * Longitude: 144.166200 * Date/Time: 1991-09-02T00:00:00 * Elevation: -1073.0 m * Penetration: 0.33 m * Recovery: 0.37 m * Location: Lomonosov Ridge, Arctic Ocean * Campaign: ARK-VIII/3 (PS19 ARCTIC91) * Basis: Polarstern * Method/Device: Giant box corer (GKG)
PS2185-6 (PS19/186) * Latitude: 87.529300 * Longitude: 144.166200 * Date/Time: 1991-09-02T00:00:00 * Elevation: -1073.0 m * Penetration: 8.4 m * Recovery: 8.1 m * Location: Lomonosov Ridge, Arctic Ocean * Campaign: ARK-VIII/3 (PS19 ARCTIC91) * Basis: Polarstern * Method/Device: Kasten corer (KAL) * Comment: offset to PS2185-3 = 6 cm
Comment:
The 230Thex outlier at 277.5 cm is due to an anomalous 234U/238U of 0.58 (!);Probably diagenetic effect on U activities, as a bit below (297.5 cm) 234U/238U activity ratios above 1.17 are observed.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Geibert, Walter | |||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geibert, Walter | Geocode | |
| 3 | Depth, composite | Depth comp | mcd | Geibert, Walter | adapted to Spielhagen composite | |
| 4 | Depth, top/min | Depth top | m | Geibert, Walter | ||
| 5 | Depth, bottom/max | Depth bot | m | Geibert, Walter | ||
| 6 | Thorium-230 excess | 230Th xs | dpm/g | Geibert, Walter | ||
| 7 | Thorium-230 excess, standard deviation | 230Th xs std dev | ± | Geibert, Walter | uncertainty 1 sd | |
| 8 | Uranium-234/Uranium-238 activity ratio | (234U/238U) | Geibert, Walter |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
474 data points