Rutledal, Sunniva; Berben, Sarah M P; Dokken, Trond; van der Bilt, Willem G M; Cederstrøm, Jan Magne; Jansen, Eystein (2020): Geochemical composition of tephra layers from deep sediment core MD99-2284, north of the Faroe-Shetland Channel, eastern Nordic Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.913650, In: Rutledal, S et al. (2020): Shard concentrations and geochemical composition of tephra layers from deep sediment cores MD99-2284, GS16-204-22CC and GS16-204-18CC. Tephra horizons identified in the western North Atlantic and Nordic Seas during the Last Glacial Period [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.913678
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Coverage:
Latitude: 62.374667 * Longitude: -0.980167
Date/Time Start: 1999-08-01T00:00:00 * Date/Time End: 1999-08-01T00:00:00
Minimum Elevation: -1500.0 m * Maximum Elevation: -1500.0 m
Event(s):
MD99-2284 (3664N/S) * Latitude: 62.374667 * Longitude: -0.980167 * Date/Time: 1999-08-01T00:00:00 * Elevation: -1500.0 m * Recovery: 33.15 m * Location: N. Shetland channel * Campaign: MD114 (IMAGES V) * Basis: Marion Dufresne (1995) * Method/Device: Calypso Corer (CALYPSO)
Comment:
Electron-probe microanalysis (EPMA). These measurements were performed at the Tephrochronological Analytical Unit at the University of Edinburgh using a Cameca SX100 electron microprobe with five vertical wavelength dispersive spectrometers, providing oxide values (wt. %) for 10 major elements (see supplementary information).
Beam size: 5
Settings:
Na, Al, Si, K†, Ca, Fe, Mg :15 keV 2nA
Mn, P†, Ti: 15 keV 80 nA
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
680 data points
Data
| 1 Depth top [m] | 2 Depth bot [m] | 3 Size fraction | 4 Sample label | 5 SiO2 [%] | 6 TiO2 [%] | 7 Al2O3 [%] | 8 FeO [%] | 9 MnO [%] | 10 MgO [%] | 11 CaO [%] | 12 Na2O [%] | 13 K2O [%] | 14 P2O5 [%] | 15 Sum [%] | 16 TG Pop | 17 Date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1408 | 1409 | >125 µm | 1 | 49.82 | 3.67 | 12.88 | 15.15 | 0.22 | 4.71 | 8.91 | 2.81 | 0.61 | 0.37 | 99.14 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | >125 µm | 2 | 49.78 | 3.66 | 12.26 | 15.17 | 0.25 | 4.64 | 8.88 | 2.92 | 0.49 | 0.35 | 98.37 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | >125 µm | 3 | 50.36 | 3.73 | 12.58 | 14.82 | 0.24 | 4.26 | 8.70 | 2.62 | 0.76 | 0.37 | 98.44 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | >125 µm | 4 | 49.42 | 3.64 | 12.33 | 14.41 | 0.25 | 5.46 | 9.13 | 2.78 | 0.58 | 0.35 | 98.35 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | >125 µm | 5 | 50.25 | 3.58 | 12.72 | 13.78 | 0.23 | 5.30 | 9.83 | 3.28 | 0.34 | 0.36 | 99.67 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | >125 µm | 6 | 47.41 | 4.03 | 13.01 | 14.24 | 0.20 | 5.08 | 9.34 | 3.41 | 0.80 | 0.51 | 98.03 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | >125 µm | 7 | 49.32 | 3.87 | 13.64 | 13.55 | 0.22 | 4.87 | 8.97 | 2.95 | 0.94 | 0.38 | 98.69 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | >125 µm | 8 | 49.38 | 3.62 | 12.57 | 14.61 | 0.23 | 4.47 | 8.96 | 3.21 | 0.60 | 0.37 | 98.02 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | >125 µm | 9 | 49.49 | 3.60 | 12.83 | 14.99 | 0.24 | 4.39 | 9.03 | 2.74 | 0.59 | 0.37 | 98.27 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 80-125 µm | 1 | 49.14 | 3.60 | 12.70 | 15.19 | 0.24 | 4.76 | 8.81 | 3.13 | 0.57 | 0.45 | 98.60 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 2 | 49.53 | 3.56 | 12.34 | 15.23 | 0.25 | 4.75 | 8.91 | 3.03 | 0.62 | 0.43 | 98.65 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 3 | 48.96 | 3.59 | 12.54 | 14.80 | 0.22 | 4.68 | 8.94 | 3.17 | 0.56 | 0.44 | 97.91 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 4 | 49.94 | 3.59 | 13.14 | 15.30 | 0.24 | 4.45 | 8.74 | 3.16 | 0.57 | 0.48 | 99.60 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 5 | 48.33 | 3.46 | 12.47 | 14.98 | 0.20 | 4.84 | 9.08 | 3.13 | 0.56 | 0.42 | 97.45 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 6 | 50.19 | 3.50 | 12.68 | 14.26 | 0.22 | 4.67 | 8.87 | 2.98 | 0.57 | 0.48 | 98.43 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 7 | 49.45 | 3.59 | 12.77 | 15.03 | 0.21 | 4.78 | 9.28 | 3.23 | 0.59 | 0.40 | 99.33 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 8 | 50.09 | 3.66 | 12.31 | 15.35 | 0.22 | 4.80 | 8.92 | 3.01 | 0.55 | 0.45 | 99.38 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 9 | 49.08 | 3.59 | 12.39 | 15.37 | 0.23 | 4.84 | 8.96 | 3.07 | 0.55 | 0.44 | 98.54 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 10 | 49.76 | 3.63 | 13.28 | 15.32 | 0.24 | 4.79 | 8.86 | 3.15 | 0.54 | 0.45 | 100.02 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 11 | 50.12 | 3.69 | 12.72 | 14.08 | 0.22 | 4.53 | 8.66 | 2.89 | 0.59 | 0.45 | 97.95 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 12 | 49.84 | 3.61 | 12.63 | 14.70 | 0.23 | 4.57 | 8.57 | 3.02 | 0.56 | 0.47 | 98.19 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 13 | 49.78 | 3.68 | 12.74 | 14.56 | 0.22 | 4.66 | 8.79 | 2.42 | 0.56 | 0.43 | 97.84 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 80-125 µm | 14 | 48.82 | 3.58 | 12.49 | 15.18 | 0.22 | 4.67 | 8.92 | 3.00 | 0.56 | 0.43 | 97.89 | FMAZ II-1 | 2018-06-14 |
| 1408 | 1409 | 25-80 µm | 1 | 49.98 | 3.66 | 12.64 | 15.38 | 0.23 | 4.43 | 8.75 | 2.30 | 0.58 | 0.35 | 98.31 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 2 | 49.92 | 3.57 | 12.97 | 15.16 | 0.23 | 4.65 | 8.77 | 2.94 | 0.57 | 0.40 | 99.18 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 3 | 49.81 | 3.59 | 12.36 | 14.49 | 0.26 | 5.57 | 9.49 | 2.85 | 0.62 | 0.35 | 99.38 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 4 | 49.07 | 3.59 | 12.79 | 15.42 | 0.23 | 4.63 | 9.11 | 2.93 | 0.54 | 0.35 | 98.66 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 5 | 49.96 | 3.63 | 12.70 | 15.23 | 0.24 | 4.67 | 8.78 | 3.01 | 0.58 | 0.35 | 99.15 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 6 | 50.24 | 3.61 | 12.41 | 15.06 | 0.23 | 4.64 | 8.99 | 2.80 | 0.58 | 0.35 | 98.91 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 7 | 50.10 | 3.66 | 12.75 | 15.39 | 0.25 | 4.61 | 9.13 | 3.06 | 0.64 | 0.34 | 99.93 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 8 | 49.83 | 3.60 | 13.15 | 14.49 | 0.24 | 4.45 | 8.39 | 3.05 | 0.59 | 0.39 | 98.16 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 9 | 49.63 | 3.65 | 12.50 | 15.07 | 0.23 | 5.06 | 9.11 | 2.91 | 0.55 | 0.36 | 99.06 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 10 | 49.59 | 3.78 | 12.54 | 16.39 | 0.25 | 4.53 | 8.80 | 2.82 | 0.60 | 0.36 | 99.67 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 11 | 49.61 | 3.60 | 12.46 | 14.66 | 0.22 | 4.80 | 8.96 | 2.92 | 0.59 | 0.34 | 98.16 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 12 | 49.51 | 3.38 | 12.88 | 14.72 | 0.22 | 4.47 | 8.60 | 3.03 | 0.68 | 0.36 | 97.84 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 13 | 49.89 | 3.59 | 12.79 | 14.65 | 0.23 | 4.65 | 9.11 | 2.99 | 0.55 | 0.33 | 98.79 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 14 | 49.97 | 3.61 | 12.43 | 14.96 | 0.24 | 4.56 | 8.87 | 2.88 | 0.55 | 0.34 | 98.42 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 15 | 49.39 | 3.42 | 12.17 | 15.08 | 0.21 | 4.53 | 8.39 | 3.03 | 0.53 | 0.33 | 97.07 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 16 | 49.26 | 3.57 | 12.82 | 14.92 | 0.24 | 4.68 | 9.03 | 2.76 | 0.59 | 0.32 | 98.19 | FMAZ II-1 | 2018-06-13 |
| 1408 | 1409 | 25-80 µm | 17 | 51.01 | 3.55 | 13.04 | 14.56 | 0.22 | 4.52 | 8.52 | 3.24 | 0.58 | 0.39 | 99.63 | FMAZ II-1 | 2018-06-13 |