Table 3 Representative EPMA analyses of silicates, oxides, carbonates, and average composition of glassy phases occurring in Polichno slags
wo | wo | cpx | qz | hem | hem | cal | cer | gls1 (n = 4) | gls2 (n = 6) | gls3 (n = 4) | gls4 (n = 5) | gls5 (n = 4) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
POL4 | POL4 | POL5 | POL2 | POL4 | POL4 | POL4 | POL2 | POL1 | POL2 | POL3 | POL4 | POL5 | |
P2O5 | na | na | na | bdl | na | na | 0.50 | 0.19 | 4.4 | 1.85 | 2.1 | 3.7 | 3.0 |
SiO2 | 50.2 | 51.7 | 48.3 | 99.4 | 0.49 | 0.63 | bdl | bdl | 47.9 | 41.3 | 51.7 | 34.4 | 40.0 |
TiO2 | 0.08 | bdl | bdl | bdl | 0.41 | 0.45 | na | bdl | 0.36 | 0.25 | 0.21 | 0.14 | 0.28 |
Al2O3 | 0.29 | bdl | 0.27 | bdl | 2.3 | 2.1 | bdl | bdl | 6.0 | 3.8 | 4.1 | 4.0 | 3.5 |
FeOcalc | 2.3 | 0.15 | 20.4 | bdl | – | – | bdl | bdl | 8.5 | 22.8 | 16.5 | 11.9 | 24.7 |
Fe2O3calc | – | – | – | – | 88.8 | 89.6 | – | – | – | – | – | – | – |
MnO | 0.30 | bdl | 2.1 | bdl | 0.45 | 0.51 | bdl | bdl | 0.36 | 1.10 | 0.36 | 0.45 | 1.15 |
CaO | 45.6 | 48.8 | 25.7 | bdl | 0.69 | 0.68 | 53.3 | bdl | 27.7 | 11.5 | 19.6 | 31.0 | 14.88 |
MgO | 0.21 | bdl | 1.79 | bdl | 0.37 | 0.33 | bdl | bdl | 0.61 | 0.75 | 0.65 | 0.65 | 0.74 |
ZnO | 0.34 | bdl | 0.31 | bdl | 6.2 | 5.2 | bdl | bdl | 0.32 | 0.50 | 0.59 | 7.1 | 0.99 |
CuO | bdl | bdl | bdl | bdl | na | na | na | bdl | 0.24 | 0.00 | 0.15 | 0.21 | 0.00 |
PbO | bdl | bdl | bdl | bdl | na | na | bdl | 83.4 | 0.03 | 6.4 | 0.67 | 0.75 | 3.75 |
Na2O | bdl | bdl | bdl | bdl | 0.17 | bdl | bdl | bdl | 0.21 | 0.14 | 0.18 | 0.51 | 0.30 |
K2O | bdl | bdl | bdl | bdl | bdl | bdl | bdl | bdl | 1.37 | 0.87 | 1.35 | 0.97 | 0.86 |
NiO | bdl | bdl | bdl | na | 0.58 | 0.51 | na | bdl | na | na | na | na | na |
BaO | na | na | na | bdl | na | na | na | 0.32 | 0.77 | 7.1 | 0.41 | 0.90 | 5.33 |
As2O3 | bdl | bdl | bdl | bdl | na | na | na | bdl | 0.07 | 0.00 | 0.00 | 1.81 | 0.00 |
SO3calc | na | na | na | bdl | na | na | na | bdl | 0.00 | 0.28 | 0.00 | 0.00 | 0.59 |
SO2calc | na | na | – | na | na | na | 0.21 | – | – | – | – | – | – |
CO2calc | na | na | – | – | – | – | 46.0 | 16.28 | – | – | – | – | – |
Total | 99.32 | 100.65 | 98.87 | 99.40 | 100.46 | 100.01 | 100.01 | 100.19 | 98.84 | 98.64 | 98.57 | 98.49 | 100.07 |
a.p.f.u | |||||||||||||
P | – | – | – | – | – | – | 0.01 | – | |||||
Si | 0.99 | 1.00 | 1.98 | 1.00 | 0.01 | 0.02 | – | – | |||||
Ti | – | – | 0.00 | 0.00 | 0.01 | 0.01 | – | – | |||||
Al | 0.01 | – | 0.01 | 0.00 | 0.07 | 0.07 | – | – | |||||
Fe2+ | 0.04 | – | 0.70 | 0.00 | 0.00 | 0.00 | – | – | |||||
Fe3+ | – | – | – | – | 1.78 | 1.80 | – | – | |||||
Mn | – | – | 0.07 | – | 0.01 | 0.01 | – | – | |||||
Ca | 0.96 | 1.01 | 1.13 | – | 0.02 | 0.02 | 0.93 | – | |||||
Mg | 0.01 | – | 0.11 | – | 0.01 | 0.01 | – | – | |||||
Zn | – | – | 0.01 | – | 0.12 | 0.10 | – | – | |||||
Cu | – | - | – | – | – | – | – | – | |||||
Pb | – | – | – | – | – | – | – | 1.03 | |||||
Na | – | – | – | – | 0.01 | – | – | – | |||||
K | – | – | – | – | – | – | – | – | |||||
Ni | – | – | – | – | 0.01 | 0.01 | – | – | |||||
Ba | – | – | – | – | – | – | – | – | |||||
As3+ | – | – | – | – | – | – | – | – | |||||
S6+ | – | – | – | – | – | – | – | – | |||||
S4+ | – | – | – | – | – | – | 0.01 | – | |||||
C | – | – | – | – | – | – | 1.02 | 0.99 | |||||
Total | 2.00 | 2.00 | 4.01 | 1.00 | 2.06 | 2.04 | 0.94 | 2.01 | |||||
O2− | 3.00 | 3.00 | 6.00 | 2.00 | 3.00 | 3.00 | 3.00 | 3.00 | |||||