Head of the Department “Methodology of Geological Exploration A.Kh. Okhunov took part in a scientific and practical conference with a report on the topic "Regulations on the classification and calculation of mineral reserves and the conduct of prospecting in accordance with international standards" held on February 15-16, 2023 in Moscow. The purpose of the conference is to converge approaches to the state examination of mineral reserves in order to ensure the fulfillment of the task to bring together approaches to the state examination of mineral reserves, as well as to study foreign experience in conducting state examination of reserves, to exchange views with qualified employees.