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 GS16-204-18CC, Irminger Sea, North Atlantic [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.913641, 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: 60.030667 * Longitude: -40.557500
Date/Time Start: 2018-08-21T00:00:00 * Date/Time End: 2018-08-21T00:00:00
Minimum Elevation: -2200.0 m * Maximum Elevation: -2200.0 m
Event(s):
GS16-204-18CC * Latitude: 60.030667 * Longitude: -40.557500 * Date/Time: 2018-08-21T00:00:00 * Elevation: -2200.0 m * Location: Irminger Sea * Campaign: GS2016-204 * Basis: G. O. Sars (2003) * 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.
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:
4030 data points
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