Research Article

Lanthanides Revealing Anthropogenic Impact within a Stratigraphic Sequence

Table 3

Rare Earth Elements sample concentrations and their standard deviations (±st/ ).

MMlM2M3M4M5M6M7M8M9M10 M11 M12 M13M14 M15

La10.413.717.016.613.914.612.214.313.818.413.112.217.812.413.5
±st/ 0.80.80.31.51.40.80.41.50.90.50.20.51.40.81.2
Ce12.416.7921.219.617.117.414.716.816.5821.415.8614.622.015.2416.9
±st/ 0.91.090.21.71.90.90.61.81.090.40.140.61.60.961.4
Pr2.22.93.423.42.93.02.543.02.83.712.582.563.62.602.9
±st/ 0.20.20.060.30.40.20.120.30.20.080.090.090.30.140.2
Nd10.113.015.015.613.013.211.613.312.416.7111.411.415.711.712.9
±st/ 0.50.80.41.31.20.60.71.60.90.050.40.21.50.71.2
Sm1.792.252.492.72.22.262.052.32.082.842.061.982.62.092.3
±st/ 0.100.120.040.30.30.090.110.20.120.100.050.020.20.140.2
Eu0.430.520.5620.620.520.510.470.540.470.660.440.4580.600.480.54
±st/ 0.030.050.0060.070.070.020.020.050.030.020.040.0100.040.040.04
Gd1.832.222.402.692.212.202.042.302.032.881.881.942.422.072.22
±st/ 0.110.080.060.20.40.120.110.30.110.090.060.050.180.140.31
Tb0.290.3480.3610.420.340.3410.320.360.320.450.290.3040.370.330.34
±st/ 0.020.0130.0100.040.050.0130.020.050.020.020.020.0050.040.030.04
Dy1.381.641.6602.001.591.591.511.711.482.121.361.421.681.521.62
±st/ 0.110.120.0080.160.200.090.040.180.100.030.060.020.170.120.11
Ho0.300.360.3490.430.340.3370.3270.370.320.4570.30.30590.360.330.35
±st/ 0.030.020.0100.050.050.0090.0150.050.020.0130.020.00110.030.030.04
Er0.770.890.871.100.850.850.830.930.801.160.7370.770.910.830.87
±st/ 0.040.060.060.110.140.050.060.110.030.040.0090.020.080.050.10
Tm0.1070.12710.1200.150.120.1160.11630.1280.1090.1620.1030.1080.1280.1170.123
±st/ 0.0020.00130.0070.020.020.0070.00130.0090.0050.0110.0020.0010.0110.0080.019
Yb0.610.720.6890.870.670.670.660.750.630.940.590.610.730.670.71
±st/ 0.020.030.0030.060.110.030.030.090.040.070.030.020.060.030.11
Lu0.0960.1100.1050.1350.1050.1030.1010.1170.0960.1460.0930.0940.1140.10320.111
±st/ 0.0030.0080.0040.0110.0180.0020.0050.0100.0060.0060.0020.0040.0110.00020.010
Sc6.17.38.68.16.98.57.17.67.89.46.428.111.47.48.5
±st/ 0.40.60.20.50.40.60.50.91.30.40.081.40.70.60.9
Y11.513.813.017.112.415.312.214.813.418.311.313.413.9512.513.3
±st/ 0.80.80.31.21.41.30.71.71.20.80.21.20.980.91.2

Note: Value expressed in µg/g.