. Chile today and tomorrow . Curanilahue Coal Mine, Arauco Province. Dulcinea Copper Mine, Copiapo Province. Chuquicamata Copper Mine, Antofagasta Province. MINING 197 upper Bio-Bio, are deposits of petroliferous shales,upon which a big industry will some day be most hopeful reports suggest the presence of a greatoil-bed, but it is undisputed that the superficial layersor capas yield 5 to 6 per cent of petroleum, the lowerpart of the bed yielding 12 per cent. In Scotland apercentage of 5 per cent is considered good enough, andthe development of the prosperous North British in-dustr
. Chile today and tomorrow . Curanilahue Coal Mine, Arauco Province. Dulcinea Copper Mine, Copiapo Province. Chuquicamata Copper Mine, Antofagasta Province. MINING 197 upper Bio-Bio, are deposits of petroliferous shales,upon which a big industry will some day be most hopeful reports suggest the presence of a greatoil-bed, but it is undisputed that the superficial layersor capas yield 5 to 6 per cent of petroleum, the lowerpart of the bed yielding 12 per cent. In Scotland apercentage of 5 per cent is considered good enough, andthe development of the prosperous North British in-dustry could no doubt be duplicated in Chile — withadequate transport facilities. Manifestations of petro-leum have been also identified farther south. DonSalustio Valdes, an enthusiastic Chilean mining en-gineer, considers that the most promising deposits arein the Province of Llanquihue, at Carelmapu, wherethe Cia. Petroleos del Pacifico has acquired territory;in Magellanes Territory, near Punta Arenas, where theSindicato de
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