Table 11.
Geochemical parameters of samples from Section II (CaO* = recalculated CaO free of CaO in Carbonates).
Sample | ET-70* | ET-72* | ET-74* | ET-76 | ET-78 | ET-79* | ET-81 | ET-84 | ET-88* | ET-92* | ET-93* | ET-94* | ET-96 | ET-98* | ET-101 | ET-102 | ET-104 | ET-107 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | 73.18 | 48.3 | 54.56 | 71 | 74.78 | 60.9 | 75.34 | 70.44 | 52.33 | 64.07 | 47.97 | 68.94 | 79.38 | 71.61 | 74.9 | 68.04 | 64.56 | 67.99 |
TiO2 | 0.33 | 0.34 | 0.41 | 0.55 | 0.53 | 1.01 | 0.47 | 0.58 | 0.31 | 0.6 | 0.46 | 0.51 | 0.37 | 0.54 | 0.53 | 0.41 | 0.62 | 0.33 |
Al2O3 | 13.27 | 10.72 | 13.18 | 14.06 | 13.15 | 16.01 | 11.67 | 13.8 | 12.41 | 15 | 11.68 | 14.7 | 11.3 | 13.33 | 12.44 | 15.15 | 13 | 8.91 |
Fe2O3 | 2.51 | 2.29 | 3.05 | 4.48 | 2.34 | 8.04 | 3.53 | 2.89 | 2.11 | 3.96 | 3.37 | 4.19 | 1.86 | 4.03 | 4.14 | 3.48 | 7.98 | 12.94 |
MnO | 0.04 | 0.61 | 0.02 | 0.03 | 0.02 | 0.08 | 0.04 | 0.05 | 0.39 | 0.11 | 0.45 | 0.06 | 0.01 | 0.06 | 0.03 | 0.03 | 0.08 | 0.09 |
MgO | 0.75 | 0.52 | 0.95 | 1.13 | 0.91 | 2.22 | 1.06 | 1.41 | 0.67 | 1.26 | 0.82 | 0.93 | 0.75 | 1.26 | 1.52 | 1.63 | 2.27 | 4.51 |
CaO | 0.3 | 16.31 | 0.89 | 0.51 | 0.32 | 1 | 0.28 | 1.95 | 12.8 | 3.03 | 14.98 | 0.7 | 0.27 | 0.69 | 0.18 | 0.12 | 2.38 | 0.33 |
CaO* | n.d. | 15.86 | n.d. | 0.08 | n.d. | 0.11 | n.d. | 0.56 | 12.69 | 1.65 | 13.9 | 0.08 | n.d. | 0.06 | n.d. | 0.05 | 0.7 | 0.11 |
Na2O | 1.45 | 1.82 | 0.69 | 1.58 | 1.7 | 3.5 | 1.11 | 1.89 | 1.19 | 3.11 | 2.04 | 3.28 | 1.12 | 2.26 | 1.19 | 0.8 | 2.24 | 0.21 |
K2O | 5.35 | 3.64 | 3 | 3.37 | 3.61 | 2.05 | 3.62 | 3.07 | 5.15 | 2.98 | 3.8 | 3.72 | 2.34 | 1.61 | 2.15 | 5.7 | 1.32 | 0.18 |
P2O5 | 0.02 | 0.07 | 0.02 | 0.12 | 0.16 | 0.18 | 0.14 | 0.18 | 0.09 | 0.13 | 0.1 | 0.09 | 0.1 | 0.15 | 0.06 | 0.06 | 0.11 | 0.11 |
LOI | 2.6 | 15.1 | 23.1 | 3.24 | 2.52 | 4.7 | 2.72 | 3.84 | 12.3 | 5.5 | 14 | 2.7 | 2.54 | 4.2 | 2.93 | 4.8 | 5.2 | 4.63 |
CO2 | n.d. | 13 | n.d. | 0.25 | n.d. | 0.35 | n.d. | 0.88 | 10.86 | 2.05 | 11.74 | 0.19 | n.d. | 0.16 | n.d. | 1.89 | 1.28 | 1.71 |
CaCO3* | n.d. | 28.31 | n.d. | 0.14 | n.d. | 0.2 | n.d. | 1 | 22.65 | 2.94 | 24.81 | 0.14 | n.d. | 0.11 | n.d. | 0.09 | 1.25 | 0.2 |
Cr | 13 | 20 | 27 | 29 | 26 | 54 | 19 | 22 | 0 | 34 | 27 | 34 | 11 | 34 | 16 | 9 | 47 | 32 |
Ni | 11 | 8 | 3 | 17 | 14 | 13 | 0 | 0 | 5 | 11 | 9 | 13 | 3 | 15 | 1 | 5 | 22 | 3 |
Co | 10 | 8 | 2 | 12 | 10 | 18 | 9 | 11 | 5 | 13 | 12 | 9 | 5 | 10 | 6 | 12 | 17 | 12 |
Sc | 7 | 6 | 11 | 13 | 15 | 17 | 8 | 11 | 5 | 13 | 8 | 9 | 14 | 7 | 11 | 10 | 10 | 10 |
V | 40 | 57 | 78 | 72 | 72 | 197 | 48 | 55 | 30 | 108 | 82 | 147 | 62 | 86 | 50 | 39 | 82 | 73 |
Pb | 18 | 8 | 22 | 54 | 36 | 6 | 53 | 40 | 10 | 14 | 8 | 14 | 32 | 17 | 33 | 52 | 13 | 15 |
Zn | 56 | 35 | 38 | 86 | 46 | 87 | 45 | 47 | 34 | 52 | 46 | 88 | 18 | 67 | 54 | 97 | 74 | 71 |
Rb | 229 | 126 | 139 | 159 | 159 | 79 | 163 | 136 | 181 | 119 | 126 | 128 | 129 | 76 | 103 | 153 | 51 | 9 |
Ba | 1497 | 1765 | 510 | 904 | 1434 | 777 | 796 | 590 | 1110 | 898 | 1822 | 823 | 591 | 1079 | 393 | 512 | 806 | 134 |
Sr | 135 | 348 | 139 | 136 | 134 | 225 | 86 | 352 | 206 | 301 | 372 | 187 | 92 | 325 | 88 | 79 | 400 | 65 |
Ga | 17 | 12 | 13 | 21 | 16 | 21 | 22 | 21 | 13 | 18 | 13 | 17 | 18 | 15 | 19 | 20 | 15 | 18 |
Ta | 0.7 | 0.6 | 0.5 | 1.19 | 1.84 | 0.9 | 1.94 | 0.78 | 0.6 | 0.6 | 0.4 | 1 | 1.36 | 0.7 | 0.89 | 0.87 | 0.5 | 0.82 |
Nb | 9.1 | 6 | 7 | 13.1 | 15.6 | 12.8 | 15 | 16.7 | 7.4 | 8.5 | 6.8 | 9.7 | 9.2 | 9.9 | 12 | 10.2 | 8.2 | 8.1 |
Hf | 2.6 | 3.3 | 4.3 | 9.37 | 4.55 | 9.4 | 9.81 | 13.65 | 3.5 | 5 | 3.5 | 5.9 | 9.49 | 4.6 | 11.75 | 8.37 | 4.6 | 6.8 |
Zr | 74 | 112 | 157 | 138 | 138 | 374 | 117 | 245 | 126 | 190 | 121 | 223 | 98 | 179 | 170 | 117 | 167 | 77 |
Y | 12 | 17 | 29 | 24 | 20 | 28 | 25 | 31 | 12 | 16 | 20 | 18 | 20 | 22 | 22 | 26 | 18 | 14 |
Th | 13.3 | 8.9 | 10.9 | 15.5 | 15.65 | 16.9 | 17 | 19.35 | 9.2 | 13.4 | 10.4 | 17.3 | 10.45 | 13.6 | 12.05 | 17.95 | 8.2 | 3.79 |
U | 2.6 | 1.3 | 3.2 | 3.2 | 2.39 | 2.3 | 3.95 | 4.41 | 1.8 | 2.3 | 1.8 | 3 | 2.3 | 3.6 | 2.94 | 3.62 | 1.9 | 2.13 |
La | 20.5 | 27.5 | 40.5 | n.d. | n.d. | 59.7 | n.d. | n.d. | 27 | 40.6 | 39 | 53.7 | n.d. | 65 | n.d. | n.d. | 32.7 | n.d. |
Ce | 40.8 | 50.9 | 84.7 | n.d. | n.d. | 121.2 | n.d. | n.d. | 52.4 | 77.9 | 72.6 | 97.3 | n.d. | 128.9 | n.d. | n.d. | 65.4 | n.d. |
Pr | 4.45 | 5.87 | 9.37 | n.d. | n.d. | 13.22 | n.d. | n.d. | 5.6 | 8.33 | 7.74 | 10.12 | n.d. | 13.24 | n.d. | n.d. | 7.13 | n.d. |
Nd | 15.7 | 22.1 | 35.2 | n.d. | n.d. | 48.1 | n.d. | n.d. | 19.5 | 28.9 | 29.7 | 37.2 | n.d. | 47 | n.d. | n.d. | 27 | n.d. |
Sm | 2.58 | 4.1 | 6.82 | n.d. | n.d. | 8.56 | n.d. | n.d. | 3.31 | 5.13 | 4.41 | 5.64 | n.d. | 7.74 | n.d. | n.d. | 5.07 | n.d. |
Eu | 0.64 | 0.89 | 1.23 | n.d. | n.d. | 1.55 | n.d. | n.d. | 0.81 | 1.17 | 0.94 | 1.13 | n.d. | 1.54 | n.d. | n.d. | 1.06 | n.d. |
Gd | 2.14 | 3.35 | 5.76 | n.d. | n.d. | 6.93 | n.d. | n.d. | 2.73 | 3.94 | 4.07 | 4.4 | n.d. | 6.14 | n.d. | n.d. | 4.14 | n.d. |
Tb | 0.38 | 0.55 | 0.8 | n.d. | n.d. | 1.03 | n.d. | n.d. | 0.39 | 0.57 | 0.6 | 0.61 | n.d. | 0.88 | n.d. | n.d. | 0.61 | n.d. |
Dy | 2.37 | 3.07 | 4.82 | n.d. | n.d. | 5.33 | n.d. | n.d. | 2.13 | 3.27 | 3.5 | 3.55 | n.d. | 4.68 | n.d. | n.d. | 3.39 | n.d. |
Ho | 0.47 | 0.62 | 0.91 | n.d. | n.d. | 1 | n.d. | n.d. | 0.42 | 0.61 | 0.72 | 0.69 | n.d. | 0.82 | n.d. | n.d. | 0.67 | n.d. |
Er | 1.52 | 1.71 | 2.85 | n.d. | n.d. | 2.69 | n.d. | n.d. | 1.2 | 1.89 | 1.93 | 1.82 | n.d. | 2.32 | n.d. | n.d. | 1.96 | n.d. |
Tm | 0.24 | 0.26 | 0.44 | n.d. | n.d. | 0.41 | n.d. | n.d. | 0.18 | 0.3 | 0.3 | 0.29 | n.d. | 0.33 | n.d. | n.d. | 0.29 | n.d. |
Yb | 1.52 | 1.65 | 2.82 | n.d. | n.d. | 2.52 | n.d. | n.d. | 1.14 | 2.13 | 2.16 | 1.91 | n.d. | 2.32 | n.d. | n.d. | 1.96 | n.d. |
Lu | 0.25 | 0.24 | 0.46 | n.d. | n.d. | 0.38 | n.d. | n.d. | 0.17 | 0.32 | 0.32 | 0.27 | n.d. | 0.31 | n.d. | n.d. | 0.32 | n.d. |
Chem.Lit | Psam. | CaO++ | Rest-- | Rest++ | Psam. | Pelite | Psam. | Psam. | CaO++ | Pelite | CaO++ | Rest++ | Psam. | Psam. | Psam. | Rest++ | Rest-- | Rest-- |
Zr/Ti | 224.84 | 329.7 | 384.87 | 250.9 | 260.37 | 370.69 | 248.93 | 422.41 | 407.74 | 317.66 | 264.56 | 438.43 | 264.86 | 332.4 | 320.75 | 285.36 | 269.51 | 233.33 |
Nb/Y | 0.71 | 0.34 | 0.23 | 0.54 | 0.78 | 0.44 | 0.6 | 0.53 | 0.57 | 0.5 | 0.32 | 0.53 | 0.46 | 0.43 | 0.54 | 0.39 | 0.45 | 0.57 |
Th/Sc | 1.9 | 1.48 | 0.99 | 1.19 | 1.04 | 0.99 | 2.12 | 1.75 | 1.84 | 1.03 | 1.3 | 1.92 | 0.74 | 1.94 | 1.09 | 1.79 | 0.82 | 0.37 |
Ti/Nb | 217 | 340 | 351 | 252 | 204 | 473 | 188 | 208 | 251 | 423 | 406 | 315 | 241 | 327 | 265 | 241 | 453 | 244 |
CIA | 60.4 | 58.5 | 68.8 | 67.5 | 65.5 | 63.5 | 66.3 | 61.7 | 62.2 | 58.6 | 55.9 | 58.7 | 70.9 | 68 | 73.5 | 66.9 | 62.1 | 92.7 |
PIA | 72.1 | 64.9 | 78.5 | 76.9 | 75.3 | 66.4 | 79.3 | 66.6 | 77.7 | 61.6 | 59.7 | 62.8 | 80.6 | 71.9 | 82.4 | 87.2 | 64 | 94.5 |
CIW | 82.1 | 74.5 | 82.9 | 81.8 | 81.3 | 69.6 | 85.2 | 72.4 | 86.4 | 67.1 | 69.6 | 69.9 | 84.2 | 74.6 | 85.2 | 92 | 66.7 | 94.6 |
Eu/Eu* | 0.83 | 0.73 | 0.6 | n.d. | n.d. | 0.62 | n.d. | n.d. | 0.82 | 0.8 | 0.68 | 0.69 | n.d. | 0.68 | n.d. | n.d. | 0.71 | n.d. |
REE | 9.11 | 11.26 | 9.7 | n.d. | n.d. | 16.01 | n.d. | n.d. | 16 | 12.88 | 12.2 | 19 | n.d. | 18.93 | n.d. | n.d. | 11.27 | n.d. |
LREE | 5 | 4.22 | 3.74 | n.d. | n.d. | 4.39 | n.d. | n.d. | 5.13 | 4.98 | 5.57 | 5.99 | n.d. | 5.29 | n.d. | n.d. | 4.06 | n.d. |
HREE | 1.14 | 1.65 | 1.66 | n.d. | n.d. | 2.23 | n.d. | n.d. | 1.94 | 1.5 | 1.53 | 1.87 | n.d. | 2.14 | n.d. | n.d. | 1.71 | n.d. |
Σ REE | 93.56 | 122.81 | 196.68 | n.d. | n.d. | 272.62 | n.d. | n.d. | 116.98 | 175.06 | 167.99 | 218.63 | n.d. | 281.22 | n.d. | n.d. | 151.7 | n.d. |
Note: Oxides and LOI in %, other elements in ppm. X is mean value for each group of sandstones; SD is standard derivation for that mean. Abbreviations: n.d.: not detected; CaCO* = maximum CaO in Carbonates recalculated from CO2; Chem.Lit: Chemical lithology [7] (s. Fig. 7); CaO++: CaO enriched samples; Psam.: Psammite classified samples; Rest++: enriched in SiO2 and Al2O3; Rest--: impoverished in SiO2 and Al2O3;. Eu/Eu* = EuN/(SmNxGdN)0.5 Samples are not LOI-free recalculated. Samples marked with (*) analyzed by ACME Laboratories, Canada.