Show the existence of fissure veins is primarily due to one or more fault planes fissures of seams forming ducts for the ore bearing slut sc solutions lations lut ions the ore proper which is 19 conat buted of various sulphides sulp hides with it a gangue bangue of more or less quartz calcite etc occurs chiefly along these separating r planes and on seams con connected necked with them u the typical fissure vein may be regarded as it a single break along which through ai faulting t more or less continuous open spaces were formed and subsequently filled with ore on both sides of this thia fillin filling there is a gradual fading zone in which more or less extensive alteration of the country rock has taken place mining and press gold ev evanildes cyanides cy anides from froin the lucky boy near cu ouster ster idalio idaho pounds in all were received a few days ago ago at the sampling saina ling rooms of the american smelting smelling Sm elting and refining company |