Table 2 Elemental composition of 10 mineral samples, by WD-XRF (mayor compounds)
Sample | SiO2 | CuO | Al2O3 | As2O5 | FeO | SO3 | Na2O | K2O | MgO | CaO | Sb2O3 | TiO2 | P2O5 | MnO | Analytical total* | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Viña del Cerro (VC) | Site | 41VCM | 17.6 | 68.8 | 5.7 | bdl | 2.2 | 1.2 | 1.9 | 1.6 | bdl | 0.7 | bdl | bdl | 0.1 | bdl | 81.7 |
42VCM | 21.7 | 41.8 | 5.6 | bdl | 18.5 | 7.7 | 1.9 | 1.9 | 0.1 | 0.7 | bdl | bdl | 0.1 | bdl | 93.1 | ||
43VCM | 10.7 | 57.9 | 0.2 | 15.1 | 5.3 | 4.9 | 1.8 | bdl | 2.4 | 1.5 | bdl | bdl | 0.2 | bdl | 93.6 | ||
SE slope | 38VCM | 46.7 | 1.2 | 21.2 | bdl | 1.9 | 0.3 | 1.6 | bdl | bdl | 26.9 | bdl | bdl | 0.1 | bdl | 97.7 | |
Deposit | 39VCM | 46.5 | 26.2 | 9.7 | bdl | 9.2 | 0.4 | 1.3 | 1.1 | 3.3 | 0.9 | bdl | 1.0 | 0.2 | 0.3 | 88.2 | |
40VCM | 60.2 | 8.2 | 16.0 | bdl | 5.5 | 0.2 | 2.6 | 1.5 | 2.2 | 1.8 | bdl | 1.2 | 0.5 | 0.2 | 88.7 | ||
Punta Brava (PB) | Site | 44PBM | 48.6 | 28.2 | 7.8 | 0.9 | 7.4 | 2.4 | 1.8 | bdl | 0.7 | 0.9 | 1.3 | bdl | bdl | bdl | 91.4 |
45PBM | na | na | na | na | na | na | na | na | na | na | na | na | na | na | |||
46PBM | 76.0 | 9.8 | 3.7 | 3.5 | 1.5 | 0.9 | 1.1 | 0.3 | 0.1 | 0.9 | 1.0 | 0.9 | 0.3 | bdl | 95.3 | ||
47PBM | 65.1 | 22.2 | 7.0 | bdl | 1.4 | 0.3 | 0.7 | 1.3 | bdl | 1.1 | bdl | 0.9 | bdl | bdl | 88.1 | ||
Deposit | 48PBM | 62.6 | 13.9 | 10.9 | 1.6 | 4.4 | 0.7 | 1.5 | 0.6 | 0.0 | 2.0 | bdl | 0.7 | 1.0 | bdl | 90.2 | |
VC site + PB Site | Average | 39.9 | 38.1 | 5.0 | 6.5 | 6.0 | 2.9 | 1.5 | 1.3 | 0.8 | 1.0 | 1.1 | 0.9 | 0.2 | - | ||
SD | 27.2 | 22.4 | 2.7 | 7.6 | 6.5 | 2.9 | 0.5 | 0.7 | 1.1 | 0.3 | 0.2 | 0.0 | 0.1 | - | |||
Min | 10.7 | 9.8 | 0.2 | 0.9 | 1.4 | 0.3 | 0.7 | 0.3 | 0.1 | 0.7 | 1.0 | 0.9 | 0.1 | - | |||
Max | 76.0 | 68.8 | 7.8 | 15.1 | 18.5 | 7.7 | 1.9 | 1.9 | 2.4 | 1.5 | 1.3 | 0.9 | 0.3 | - | |||