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Stevenard, Nathan; Govin, Aline; Kissel, Catherine; Van Toer, Aurélie (2023): Geochemical ratio ln(Zr/Rb) from core MD03-2679 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.950967

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Abstract:
The geochemical ratio ln(Zr/Rb) was analyzed in the core MD03-2679 located in the North Atlantic. The geochemical proxy ln(Zr/Rb) is used as grain-size proxy free of ice-rafted debris (IRD) influence. The X-ray fluorescence (XRF) data were obtained every cm with a Avaatech core scanner, 4th generation, at the Laboratoire des Sciences du Climat et de l'Environnement (LSCE). The data were calibrated using the Multivariate Log-ratio Calibration (MLC) developed by Weltje et al. (2015) by analyzing discrete samples with a PANalytical Epsilon XRF spectrometer. These data were used as reference for grain-size variability free of IRD influence in Stevenard et al. (submitted).
Keyword(s):
sortable silt; Zr/Rb
Supplement to:
Stevenard, Nathan; Govin, Aline; Kissel, Catherine; Van Toer, Aurélie (2023): Correction of the IRD Influence for Paleo‐Current Flow Speed Reconstructions in Hemipelagic Sediments. Paleoceanography and Paleoclimatology, 38(3), e2022PA004500, https://doi.org/10.1029/2022PA004500
Related to:
Weltje, Gert Jan; Bloemsma, M R; Tjallingii, Rik; Heslop, David; Röhl, Ursula; Croudace, Ian W (2015): Prediction of Geochemical Composition from XRF Core Scanner Data: A New Multivariate Approach Including Automatic Selection of Calibration Samples and Quantification of Uncertainties. Croudace, I., Rothwell, R. (eds): Micro-XRF Studies of Sediment Cores. Developments in Paleoenvironmental Research, Springer, Dordrecht, https://doi.org/10.1007/978-94-017-9849-5_21
Coverage:
Latitude: 61.057000 * Longitude: -24.541000
Date/Time Start: 2003-06-18T10:38:00 * Date/Time End: 2003-06-18T10:38:00
Minimum DEPTH, sediment/rock: 21.00 m * Maximum DEPTH, sediment/rock: 34.00 m
Event(s):
MD03-2679 (MD032679) * Latitude: 61.057000 * Longitude: -24.541000 * Date/Time: 2003-06-18T10:38:00 * Elevation: -1812.0 m * Recovery: 35.37 m * Location: Gardar Drift * Campaign: MD132 (IMAGES XI - P.I.C.A.S.S.O.) * Basis: Marion Dufresne (1995) * Method/Device: Calypso Corer (CALYPSO)
Comment:
The study was supported by the CNRS-INSU LEFE D.E.C.O.R.A.T.I.N.G project: "Dynamique des principaux courants profonds de l'Atlantique lors des périodes chaudes du passé : étude des interglaciaires des derniers 450 000 ans".
Parameter(s):
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1266 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Depth sed [m]

ln(Zr/Rb)
21.000.825
21.010.857
21.020.968
21.031.005
21.041.067
21.051.076
21.061.068
21.071.212
21.081.051
21.090.976
21.101.031
21.111.173
21.121.284
21.131.363
21.141.376
21.151.446
21.161.470
21.171.405
21.181.402
21.191.388
21.201.379
21.211.342
21.221.337
21.231.324
21.241.263
21.251.269
21.261.194
21.271.131
21.281.138
21.291.033
21.301.099
21.311.165
21.321.368
21.331.183
21.341.339
21.351.343
21.361.346
21.371.251
21.381.236
21.391.390
21.401.162
21.411.362
21.421.327
21.431.457
21.441.463
21.451.569
21.461.502
21.471.594
21.481.598
21.491.579
21.501.511
21.511.465
21.521.607
21.531.554
21.541.488
21.551.425
21.561.470
21.601.130
21.611.542
21.631.510
21.641.666
21.651.712
21.661.781
21.671.749
21.681.729
21.691.818
21.701.770
21.711.709
21.721.741
21.731.682
21.741.798
21.751.763
21.761.742
21.771.893
21.782.036
21.792.028
21.801.962
21.811.910
21.821.641
21.831.680
21.841.950
21.852.011
21.862.118
21.871.687
21.881.540
21.891.410
21.901.453
21.911.391
21.921.384
21.931.439
21.941.394
21.951.442
21.961.343
21.971.332
21.981.396
21.991.399
22.001.414
22.011.369
22.021.404
22.041.447
22.051.486
22.061.469
22.071.535
22.081.472
22.091.491
22.101.524
22.111.448
22.121.378
22.131.355
22.141.420
22.151.465
22.161.374
22.171.399
22.181.320
22.191.304
22.201.349
22.211.244
22.221.279
22.231.313
22.241.280
22.251.352
22.261.237
22.271.403
22.281.437
22.291.414
22.301.419
22.311.410
22.321.402
22.331.406
22.341.459
22.351.355
22.361.336
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22.441.168
22.451.106
22.461.012
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22.491.020
22.500.992
22.510.962
22.520.944
22.530.981
22.540.979
22.550.978
22.560.996
22.570.990
22.580.981
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22.601.056
22.611.152
22.621.146
22.631.125
22.641.208
22.651.133
22.661.141
22.671.136
22.681.116
22.691.043
22.701.084
22.711.074
22.721.143
22.731.116
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22.751.121
22.761.068
22.771.040
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22.831.174
22.841.258
22.851.229
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22.871.255
22.881.207
22.891.213
22.901.212
22.911.332
22.921.300
22.931.290
22.941.325
22.951.315
22.961.309
22.971.292
22.981.249
22.991.388
23.001.343
23.011.313
23.021.283
23.031.295
23.041.365
23.051.365
23.061.334
23.071.364
23.081.277
23.091.390
23.101.349
23.111.341
23.121.316
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23.371.290
23.381.214
23.391.223
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23.411.264
23.421.291
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23.471.384
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23.631.091
23.641.032
23.651.069
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23.691.231
23.701.154
23.711.211
23.721.222
23.731.196
23.741.191
23.751.226
23.761.182
23.771.207
23.781.133
23.791.021
23.801.028
23.810.977
23.820.967
23.830.964
23.841.019
23.851.024
23.860.991
23.871.026
23.881.071
23.890.964
23.901.075
23.911.182
23.931.370
23.941.362
23.951.171
23.961.066
23.970.790
23.980.720
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24.000.760
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24.020.804
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24.171.044
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24.241.066
24.251.120
24.261.154
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24.301.056
24.311.041
24.320.966
24.330.992
24.341.019
24.350.997
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24.380.905
24.390.773
24.400.877
24.410.946
24.421.009
24.430.987
24.440.889
24.450.943
24.460.992
24.470.970
24.480.835
24.490.864
24.500.971
24.510.931
24.521.037
24.531.205
24.541.209
24.551.226
24.561.249
24.571.055
24.581.118
24.591.142
24.601.184
24.611.113
24.621.048
24.631.061
24.641.108
24.651.049
24.661.089
24.671.019
24.680.934
24.690.882
24.700.995
24.710.956
24.720.988
24.731.075
24.741.287
24.751.256
24.761.282
24.771.298
24.781.326
24.791.341
24.801.413
24.811.149
24.821.035
24.831.201
24.841.193
24.851.261
24.861.292
24.871.306
24.881.356
24.891.321
24.901.276
24.911.276
24.921.051
24.931.150
24.941.085
24.951.209
24.961.186
24.971.102
24.991.125
25.001.152
25.011.200
25.021.141
25.031.116
25.041.061
25.051.065
25.061.144
25.071.168
25.081.090
25.091.099
25.101.207
25.111.308
25.121.321
25.131.258
25.141.319
25.151.351
25.161.286
25.181.327
25.191.355
25.201.278
25.211.287
25.221.248
25.231.172
25.241.131
25.251.218
25.261.276
25.271.290
25.281.229
25.291.303
25.301.296
25.311.315
25.321.213
25.331.287
25.341.306
25.351.293
25.361.208
25.371.155
25.381.271
25.391.284
25.441.136
25.451.153
25.461.076
25.471.057
25.480.994
25.491.012
25.501.046
25.511.152
25.521.099
25.531.093
25.541.151
25.551.065
25.561.179
25.571.168
25.581.233
25.591.293
25.601.373
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25.621.332
25.631.388
25.641.247
25.651.281
25.661.411
25.671.524
25.681.544
25.691.420
25.701.193
25.711.211
25.721.305
25.731.159
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25.761.137
25.771.117
25.781.103
25.791.041
25.800.900
25.811.067
25.821.047
25.830.850
25.840.822
25.850.768
25.860.747
25.870.740
25.880.767
25.890.646
25.900.621
25.910.605
25.920.621
25.930.683
25.940.605
25.950.660
25.960.601
25.970.680
25.980.605
25.990.625
26.000.626
26.010.617
26.020.609
26.030.505
26.040.467
26.050.616
26.060.608
26.070.587
26.080.616
26.090.623
26.100.461
26.110.464
26.120.383
26.130.503
26.140.496
26.150.426
26.160.467
26.170.404
26.180.566
26.190.379
26.200.463
26.210.525
26.220.562
26.230.565
26.240.620
26.250.582
26.260.659
26.270.593
26.280.649
26.290.665
26.310.619
26.320.672
26.330.695
26.340.698
26.350.671
26.360.741
26.370.629
26.380.564
26.390.502
26.400.462
26.410.590
26.420.676
26.430.760
26.440.796
26.450.679
26.460.647
26.470.621
26.480.642
26.490.703
26.500.726
26.510.739
26.520.804
26.530.814
26.540.852
26.550.764
26.560.715
26.570.723
26.580.779
26.590.741
26.600.747
26.610.787
26.620.763
26.630.692
26.640.657
26.650.717
26.660.560
26.670.589
26.680.556
26.690.565
26.700.622
26.710.684
26.720.697
26.730.617
26.740.450
26.750.614
26.760.747
26.770.708
26.780.658
26.790.710
26.800.757
26.810.719
26.820.777
26.830.646
26.840.662
26.850.680
26.860.607
26.870.535
26.920.350
26.930.434
26.940.519
26.950.593
26.960.620
26.970.676
26.980.621
26.990.609
27.000.630
27.010.665
27.020.576
27.030.637
27.040.763
27.050.795
27.060.780
27.070.768
27.080.754
27.090.680
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28.551.383
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28.751.042
28.761.096
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29.441.234
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30.171.344
30.181.246
30.191.279
30.201.378
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30.271.410
30.281.455
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