Blasting Effects in Relation With Costs and Type of Exposives

Blasting is the basic operation in open pit mines in obtaining hard rock masses and has an important influence on the costs in the obtaining useful mineral raw material. The costs vary widely depending on the capacity of the open pit operation, the organisation, the machinery used as well as the professional support. The major goal of every professional man deployed in the process of blasting is to bring costs down to a minimum or to set and define parameters. The paper offers analyses of several blasting series in terms of normative materials used and successful blasting