Analysis of Gold and Silver Grade. From the gold and silver grade database (Block Models), it was confirmed that it does indeed have a log-normal behavior. Table 7 - Au Statistics Table 8 - Ag Statistics Figure 8 – Log normal distribution of Au grade Figure 9 –Log normal Distribution of Ag grade Histograma de Au Clase Frecuencia Clase Frecuencia 0.01744008 0 0.25175738 74 0.25175738 74 0.48607468 58 0.48607468 58 0.72039199 30 0.72039199 30 1.18902659 12 0.95470929 9 0.95470929 9 1.18902659 12 1.42334389 4 1.42334389 4 1.89197849 4 1.65766119 1 2.1262958 3 1.89197849 4 2.5949304 2 2.1262958 3 y mayor... 2 2.3606131 0 1.65766119 1 2.5949304 2 3.063565 1 2.8292477 0 0.01744008 0 3.063565 1 2.3606131 0 y mayor... 2 2.8292477 0 Histograma Ag Clase Frecuencia Clase Frecuencia 0.62915802 0 59.7186926 151 59.7186926 151 118.808227 28 118.808227 28 177.897762 8 177.897762 8 236.987296 5 236.987296 5 355.166366 2 296.076831 1 532.434969 2 355.166366 2 296.076831 1 414.2559 1 414.2559 1 473.345435 1 473.345435 1 532.434969 2 y mayor... 1 591.524504 0 0.62915802 0 650.614039 0 591.524504 0 709.703573 0 650.614039 0 768.793108 0 709.703573 0 y mayor... 1 768.793108 0
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