Substantiation of the choice of the technology of rock destruction during the development of deposits by open-cut method is given, taking into account its adequacy to the properties of rocks and a set of requirements of economic, social, environmental, legal and other important aspects.
The influence of blockiness of rocks on the efficiency of field development is investigated; the concept of the category of blockiness of rocks from the position of a broad understanding of its essence is substantiated; the structural methodology of field development is given.