BUNKEVYCH, O.; ANDREIEV, O. DETERMINATION OF THE TRACE ELEMENTS IN THE ACCESSORY MINERAL MICROCRYSTALS USING X-RAY FLUORESCENCE ANALYSIS IN ORDER TO PETROLOGICAL, GEOCHEMICAL, ENERGETICAL AND METALOGENIC INVESTIGATION OF THE EARTH CRUST EVOLUTION. Вісник: Геологія 2025, No. 37, 23-25.