A computerized system for determining a position of marker depth coordinates in the building of a geological model of a deposit, the computerized system comprising a module for determining a reference well group, a module for specifying the distances for the neighborhood of a group of wells, a module for evaluating correlation function, a module for choosing wells, a well testing module, for using tests to select wells meeting certain conditions, a module for determining the value of marker depth in a well, a module for updating the reference group, adding a newly found well to the reference group, and an iteration module related to the module for determining the reference well group, the module for determining correlation function, the module for specifying the distance and the module for choosing wells, wherein the iteration module is configured to enable a cyclic reiteration of the procedures of the module for determining the reference well group, the module for determining correlation function, the module for specifying the distance and the module for choosing wells until an information is obtained that no wells are found.