Research Article

Geochemical and Isotopic Characterisation of Actual Lacustrine Sediments from the Hydrothermal Lake Specchio di Venere, Pantelleria Island (Italy)

Table 2

Mean, minimum, and maximum values of geochemical proxies for lacustrine sediment samples from lake Specchio di Venere, Pantelleria island; n is the number of samples for each sediment core.

2 ()4 ()6 ()11 ()12 ()
MeanMinMaxMeanMinMaxMeanMinMaxMeanMinMaxMeanMinMax

Wt%
Na1.711.062.191.300.941.720.920.661.541.030.831.401.210.732.32
K0.210.120.270.180.140.210.120.080.180.140.110.170.220.140.34
Ca8.455.3910.3113.5411.8015.1718.9811.6126.9317.5013.2519.6310.737.7314.13
Mg9.845.6411.218.767.839.314.533.086.395.684.946.395.403.138.08
Al0.280.140.400.300.230.340.190.130.330.250.170.520.480.330.66
Fe0.300.170.480.370.320.430.300.200.450.870.621.370.990.741.38
Mn0.070.050.080.140.110.160.220.170.340.230.190.310.240.140.43
mg kg
Ti16297223179150199151124202165115286335196412
Rb24.216.530.720.318.623.412.78.717.814.812.120.624.315.628.9
Sr161310652075244120182882332219884957330424133728201515282596
Ba84.455.3110.4136.5111.5161.7224.4140.6329.7185.8135.9208.9120.392.0159.2
V1.91.03.21.90.52.61.4−0.22.51.30.82.23.21.14.9
Ni0.90.51.21.10.81.51.00.31.60.70.51.11.51.02.4
Co0.90.71.31.30.91.61.40.91.80.90.91.01.10.91.4
As18.711.835.219.013.628.410.99.613.418.014.422.816.510.527.4
Mo4.51.19.323.45.854.75.32.59.45.23.96.45.71.218.7
Se0.10.10.10.20.10.20.10.00.30.10.10.10.20.10.2
Cd0.30.20.40.50.40.60.40.30.70.30.30.50.30.30.4
δ13C6.556.316.816.136.046.685.574.966.305.885.416.376.215.357.38
δ18O0.970.611.300.480.460.611.44−0.235.133.200.905.921.630.444.51