Table 1 Descriptive statistics for raw (compositional) geochemical data
Element | Min | Q1 | Med | Q3 | Max | MAD | g |
|---|---|---|---|---|---|---|---|
Al (%) | 0.9 | 6.48 | 7.45 | 8.48 | 14.04 | 1.010 | 7.087 |
As (ppm) | 2.2 | 12.0 | 16.0 | 22.0 | 105.0 | 5.000 | 15.133 |
Ba (ppm) | 35.0 | 253.0 | 306.0 | 360.0 | 840.0 | 53.000 | 289.491 |
Ca (%) | 0.08 | 0.58 | 0.97 | 2.07 | 28.73 | 0.051 | 1.224 |
Cd (ppm) | 0.1 | 0.4 | 0.9 | 1.5 | 15.5 | 0.6000 | 0.750 |
Co (ppm) | 2.0 | 13.0 | 17.0 | 20.0 | 43.0 | 3.000 | 15.682 |
Cr (ppm) | 15.0 | 84.5 | 107.0 | 132.0 | 443.9 | 23.100 | 105.720 |
Cu (ppm) | 6.0 | 23.0 | 31.1 | 40.8 | 429.0 | 8.700 | 31.406 |
Fe (%) | 0.43 | 3.24 | 3.9 | 4.57 | 8.02 | 0.660 | 3.714 |
K (%) | 0.18 | 1.07 | 1.29 | 1.53 | 3.79 | 0.230 | 1.247 |
La (ppm) | 4.0 | 40.0 | 49.0 | 57.0 | 185.0 | 8.000 | 46.006 |
Mg (%) | 0.16 | 0.54 | 0.7 | 0.87 | 10.47 | 0.16 | 0.755 |
Mn (ppm) | 96.0 | 711.0 | 957.0 | 1223.0 | 3839.0 | 254.0 | 895.123 |
Na (%) | 0.048 | 0.276 | 0.419 | 0.6 | 1.78 | 0.162 | 0.393 |
Nb (ppm) | 1.0 | 10.1 | 13.0 | 17.0 | 30.0 | 3.000 | 12.794 |
Ni (ppm) | 7.0 | 50.0 | 68.0 | 88.0 | 289.0 | 18.200 | 64.618 |
P (%) | 0.015 | 0.047 | 0.061 | 0.085 | 0.684 | 0.017 | 0.065 |
Pb (ppm) | 10.0 | 33.0 | 43.0 | 54.0 | 177.0 | 10.200 | 41.715 |
Sc (ppm) | 1.0 | 10.0 | 12.0 | 13.0 | 115.0 | 2.000 | 11.045 |
Sr (ppm) | 22.0 | 72.0 | 84.0 | 98.0 | 588.0 | 13.000 | 87.551 |
Th (ppm) | 2.0 | 12.0 | 14.4 | 17.2 | 29.7 | 2.600 | 13.672 |
Ti (%) | 0.05 | 0.374 | 0.428 | 0.473 | 0.94 | 0.050 | 0.403 |
V (ppm) | 9.0 | 111.0 | 137.0 | 167.0 | 473.0 | 27.000 | 134.148 |
Y (ppm) | 4.0 | 18.00 | 25.0 | 32.4 | 201.0 | 7.000 | 23.995 |
Zn (ppm) | 16.0 | 85.0 | 104.0 | 126.0 | 638.0 | 21.000 | 102.567 |
Zr (ppm) | 11.0 | 55.1 | 72.3 | 102.0 | 551.0 | 21.400 | 73.031 |
N (%) | 0.03 | 0.24 | 0.34 | 0.47 | 2.21 | 0.110 | 0.337 |
TOC (%) | 0.53 | 2.99 | 4.39 | 6.13 | 25.31 | 0.147 | 4.342 |