Are estimated essential and sufficient conditions of performance of PGM to real objects from the position of:
– mathematical statement;
– Geological content;
– using of Geological Information Systems.

Nikitin Aleksei A., Doctor of Physical and Mathematical Sciences. Honored Scientist of the Russian Federation, Professor at the Sergo Ordzhonikidze Russian State Institute for Geological Prospecting, Professor at the Lomonosov Moscow State University. 23, Miklukho-Maklaya st., Moscow, 119485, Russia. E-mail: gffclass@mail.ru

Cheremisina Evgenia N., Doctor Degree in Sciences. Professor. Head of the Department of Geoinformatics “VNIIgeosystem” FSBI “VNIGNI”, Director of the Institute for System Analysis and Management of the International University “Dubna”.
8 Varshavskoye shosse, Moscow, 117105, Russia. E-mail: head@geosys.ru