Table 12.
Geochemical parameters of samples from Section III (CaO* = recalculated CaO free of CaO in Carbonates).
| Sample | ET-115 | ET-116* | ET-117* | ET-119 | ET-121* | ET-125 | ET-126* | ET-127 | ET-145 | ET-153* |
|---|---|---|---|---|---|---|---|---|---|---|
| SiO2 | 67.5 | 45.72 | 66.56 | 70.71 | 78.21 | 68.01 | 67.55 | 71.39 | 66.14 | 68.8 |
| TiO2 | 0.61 | 0.29 | 0.74 | 0.57 | 0.19 | 0.63 | 0.55 | 0.48 | 0.78 | 1.3 |
| Al2O3 | 14.66 | 9.39 | 14.75 | 13.89 | 12.78 | 14.87 | 15.61 | 14.61 | 14.48 | 11.29 |
| Fe2O3 | 4.44 | 2.69 | 5.95 | 4.89 | 0.58 | 6.64 | 5.27 | 4.6 | 7.78 | 2.68 |
| MnO | 0.05 | 0.3 | 0.06 | 0.05 | 0 | 0.05 | 0.03 | 0.03 | 0.09 | 0.08 |
| MgO | 1.12 | 0.5 | 0.93 | 1.2 | 0.43 | 1.25 | 1.26 | 1.1 | 1.75 | 1.16 |
| CaO | 1.78 | 19.1 | 0.87 | 0.52 | 0.34 | 0.44 | 0.38 | 0.25 | 0.93 | 3.58 |
| CaO* | 1.18 | 18.92 | 0.02 | n.d. | n.d. | 0.22 | 0.01 | 0.02 | 0.17 | 2.11 |
| Na2O | 1.39 | 1.95 | 2.99 | 0.99 | 0.35 | 1.38 | 1.27 | 1.43 | 1.53 | 2.07 |
| K2O | 3.88 | 2.79 | 2.73 | 3.96 | 3.4 | 2.83 | 3.66 | 2.98 | 2.86 | 3.34 |
| P2O5 | 0.08 | 0.15 | 0.21 | 0.34 | 0.03 | 0.16 | 0.05 | 0.06 | 0.27 | 0.2 |
| LOI | 4.65 | 17 | 3.9 | 2.88 | 3.6 | 3.82 | 4.2 | 3.12 | 3.46 | 5.2 |
| CO2 | 1.73 | 16.19 | 0.04 | n.d. | n.d. | 0.86 | 0.05 | 0.13 | 0.48 | 2.4 |
| CaCO3* | 2.11 | 33.77 | 0.04 | n.d. | n.d. | 0.39 | 0.02 | 0.04 | 0.3 | 3.77 |
| Cr | 29 | 20 | 41 | 23 | 0 | 23 | 34 | 16 | 46 | 41 |
| Ni | 1 | 7 | 14 | 3 | 0 | 4 | 13 | 0 | 17 | 10 |
| Co | 17 | 4 | 15 | 14 | 0 | 13 | 7 | 12 | 25 | 5 |
| Sc | 10 | 5 | 10 | 10 | 1 | 14 | 11 | 12 | 14 | 9 |
| V | 64 | 37 | 105 | 59 | 20 | 56 | 79 | 47 | 85 | 56 |
| Pb | 62 | 7 | 11 | 43 | 4 | 40 | 26 | 47 | 39 | 17 |
| Zn | 74 | 33 | 103 | 80 | 2 | 122 | 85 | 78 | 115 | 59 |
| Rb | 167 | 88 | 112 | 166 | 144 | 125 | 156 | 180 | 116 | 116 |
| Ba | 924 | 716 | 642 | 1011 | 540 | 476 | 987 | 536 | 800 | 1430 |
| Sr | 202 | 493 | 198 | 113 | 59 | 88 | 86 | 92 | 128 | 316 |
| Ga | 20 | 8 | 19 | 21 | 12 | 22 | 19 | 22 | 22 | 12 |
| Ta | 0.87 | 0.5 | 1.1 | 1.2 | 0.6 | 0.98 | 1 | 1.13 | 1.04 | 1.8 |
| Nb | 13.9 | 6.2 | 15.7 | 13.4 | 10.4 | 13.1 | 11.6 | 14.4 | 16.9 | 26.8 |
| Hf | 11.15 | 3.1 | 14.4 | 9.28 | 3.4 | 9.38 | 4.1 | 9.63 | 10.95 | 10.6 |
| Zr | 220 | 104 | 596 | 135 | 101 | 147 | 143 | 136 | 218 | 419 |
| Y | 26 | 10 | 27 | 27 | 7 | 25 | 22 | 28 | 30 | 22 |
| Th | 17.1 | 7.2 | 22.2 | 16.05 | 21.1 | 12.85 | 15.7 | 18.15 | 14.05 | 32.9 |
| U | 4.47 | 1.7 | 5 | 2.49 | 2.1 | 2.77 | 5.3 | 3.76 | 2.86 | 3.8 |
| La | n.d. | 23.6 | 72.5 | n.d. | 28.9 | n.d. | 42.5 | 7.15 | n.d. | 129.5 |
| Ce | n.d. | 46.6 | 150 | n.d. | 52 | n.d. | 85.9 | 11.74 | n.d. | 243.1 |
| Pr | n.d. | 5.08 | 16.03 | n.d. | 4.52 | n.d. | 9.64 | n.d. | n.d. | 24.01 |
| Nd | n.d. | 15.9 | 57.5 | n.d. | 13.6 | n.d. | 37.3 | 8.87 | n.d. | 79.1 |
| Sm | n.d. | 2.78 | 9.79 | n.d. | 1.71 | n.d. | 6.72 | 1.36 | n.d. | 11.28 |
| Eu | n.d. | 0.59 | 1.56 | n.d. | 0.37 | n.d. | 1.37 | 0.21 | n.d. | 1.67 |
| Gd | n.d. | 2.41 | 7.05 | n.d. | 1.5 | n.d. | 5.39 | 1.9 | n.d. | 7.69 |
| Tb | n.d. | 0.37 | 1.04 | n.d. | 0.25 | n.d. | 0.79 | 0.69 | n.d. | 0.98 |
| Dy | n.d. | 1.86 | 5.33 | n.d. | 1.27 | n.d. | 4.31 | 1.71 | n.d. | 4.8 |
| Ho | n.d. | 0.3 | 1 | n.d. | 0.3 | n.d. | 0.82 | n.d. | n.d. | 0.76 |
| Er | n.d. | 0.93 | 2.84 | n.d. | 0.88 | n.d. | 2.56 | 0.66 | n.d. | 2.35 |
| Tm | n.d. | 0.15 | 0.45 | n.d. | 0.17 | n.d. | 0.36 | n.d. | n.d. | 0.36 |
| Yb | n.d. | 1.03 | 3.03 | n.d. | 1.29 | n.d. | 2.5 | 1.04 | n.d. | 2.24 |
| Lu | n.d. | 0.17 | 0.47 | n.d. | 0.19 | n.d. | 0.38 | 0.14 | n.d. | 0.38 |
| Chem.Lit | Pelite | CaO++ | Pelite | Psam. | Psam. | Rest++ | Pelite | Rest++ | Pelite | Psam. |
| Zr/Ti | 360.65 | 360 | 806.08 | 236.84 | 532.1 | 233.33 | 260.54 | 283.33 | 279.48 | 322.46 |
| Nb/Y | 0.53 | 0.59 | 0.56 | 0.49 | 1.36 | 0.52 | 0.52 | 0.51 | 0.56 | 1.19 |
| Th/Sc | 1.71 | 1.44 | 2.21 | 1.6 | 21.1 | 0.91 | 1.42 | 1.51 | 1 | 3.65 |
| Ti/Nb | 263 | 280 | 283 | 255 | 110 | 288 | 284 | 200 | 277 | 291 |
| CIA | 66.4 | 60.1 | 62.2 | 69.4 | 72.7 | 73.4 | 70.2 | 71.3 | 69.3 | 54.9 |
| PIA | 76.5 | 66.5 | 66.2 | 83.9 | 89 | 83.5 | 81.4 | 81.2 | 77.4 | 57.6 |
| CIW | 82 | 74.5 | 71.1 | 88.3 | 91.9 | 86.5 | 85.5 | 84.7 | 81.4 | 66.7 |
| Eu/Eu* | n.d. | 0.7 | 0.57 | n.d. | 0.71 | n.d. | 0.7 | 0.4 | n.d. | 0.55 |
| REE | n.d. | 15.48 | 16.17 | n.d. | 15.14 | n.d. | 11.49 | 4.65 | n.d. | 39.07 |
| LREE | n.d. | 5.34 | 4.66 | n.d. | 10.64 | n.d. | 3.98 | 3.31 | n.d. | 7.23 |
| HREE | n.d. | 1.9 | 1.89 | n.d. | 0.94 | n.d. | 1.75 | 1.48 | n.d. | 2.78 |
| Σ REE | n.d. | 101.77 | 328.59 | n.d. | 106.95 | n.d. | 200.54 | 35.47 | n.d. | 508.22 |
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.