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Filippova, Alexandra; Frank, Martin; Kienast, Markus; Gutjahr, Marcus; Hathorne, Ed C; Hillaire-Marcel, Claude (2022): Trace elements and REE concentrations of the different dolostone leaching solutions and residual dissolved dolostone from 4 sediment cores and surface sediments in the Labrador Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.952544, In: Filippova, A et al. (2022): Radiogenic Nd isotope signatures and REE concentrations of marine sediments (bulk and detrital), foraminifera and dolostone grains from 4 sediment downcore records from the Labrador Sea [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.952659

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Abstract:
This dataset includes the results of the analysis of 4 marine sediment downcore records recovered from the Labrador Sea: core MD99-2227 (58° 12.38 N, 48° 22.22 W, 3460 m); core HU08-029-004 (61°27.49 N, 58°02.11 W, 2674 m); HU84-030-021 (58°22.06 N, 57°30.42 W, 2853 m); core HU91-045-094,(50°12.26 N, 45°41.14 W, 3448 m) as well as a set of surface sediment samples. Data contains measurements of the Rare Earth Element concentrations, some major elements (Fe, Mg, Ca, Al) and radiogenic Nd isotope signatures of the dolostone grains, picked from wet-sieved < 63µm sediment fraction of marine sediment downcores. The downcore records were sampled with resolution of about 1 kyr and cover roughly the last 33 ka.
Keyword(s):
AMOC; carbonate dissolution; dolostone; Heinrich Stadials; Labrador Sea; Late Quaternary; Neodymium isotopes
Coverage:
Median Latitude: 56.011748 * Median Longitude: -53.190929 * South-bound Latitude: 48.530000 * West-bound Longitude: -58.920000 * North-bound Latitude: 61.463900 * East-bound Longitude: -45.150000
Date/Time Start: 1999-08-01T00:00:00 * Date/Time End: 1999-08-01T00:00:00
Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 7.78 m
Event(s):
HU84/30-21PC (HU021) * Latitude: 58.367670 * Longitude: -57.507000 * Elevation: -2853.0 m * Method/Device: Core (CORE)
HU91/45-094 (HU094) * Latitude: 50.200000 * Longitude: -45.690000 * Elevation: -3541.0 m * Campaign: HUD91/45 * Basis: Hudson * Method/Device: Core (CORE)
HU2008-027-15 (2008-027-15) * Latitude: 57.730000 * Longitude: -58.660000 * Elevation: -2114.0 m * Method/Device: Trigger corer (TC)
Comment:
PAAS normalized REE concentrations (McLennan, 2002) MREE, HREE, LREE and Ce/Ce* ratios together with ԑNd are also shown.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventFilippova, Alexandra
2Sample code/labelSample labelFilippova, Alexandra
3DEPTH, sediment/rockDepth sedmFilippova, AlexandraGeocode
4StageStageFilippova, Alexandraleach stage: SL-short leach (60 sec), LL- long leach (1 hour), NL- night leach (overnight), RD- totally dissolved residual dolostone
5Magnesium/Calcium ratioMg/CaFilippova, Alexandra
6ManganeseMnµg/gFilippova, Alexandra
7IronFeµg/gFilippova, Alexandra
8AluminiumAlµg/gFilippova, Alexandra
9LanthanumLaµg/gFilippova, Alexandra
10CeriumCeµg/gFilippova, Alexandra
11PraseodymiumPrµg/gFilippova, Alexandra
12NeodymiumNdµg/gFilippova, Alexandra
13SamariumSmµg/gFilippova, Alexandra
14EuropiumEuµg/gFilippova, Alexandra
15GadoliniumGdµg/gFilippova, Alexandra
16TerbiumTbµg/gFilippova, Alexandra
17DysprosiumDyµg/gFilippova, Alexandra
18HolmiumHoµg/gFilippova, Alexandra
19ErbiumErµg/gFilippova, Alexandra
20ThuliumTmµg/gFilippova, Alexandra
21YtterbiumYbµg/gFilippova, Alexandra
22LutetiumLuµg/gFilippova, Alexandra
23Middle rare-earth elements anomalyMREE/MREE*Filippova, AlexandraMREE = Gd + Tb + Dy; MREE* = (LREE + HREE)/2
24Heavy rare-earth elements/light rare-earth elements ratioHREE/LREEFilippova, AlexandraHREE = Tm + Yb + Lu; LREE = La + Pr + Nd
25ε-Neodymiumε-NdFilippova, Alexandra
26Cerium anomalyCe/Ce*Filippova, Alexandra
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
750 data points

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