In 2011, he completed his master's degree at the Peoples' Friendship University of Russia, entered postgraduate studies there and in 2013 defended his PhD thesis on the topic "Geology, mineralogy and conditions of formation of the Tikhmenevsky bentonite deposit (Sakhalin Island)". Since 2011, he started working at IGEM RAS as a junior researcher.

Member of the State Examination Commission at the Peoples' Friendship University of Russia, expert of the Russian Science Foundation, secretary of the Russian Group for the Study of clays and clay minerals, member of the Russian Mineralogical Society, reviewer of the MDPI publishing house.

Belousov P.E. is a specialist in the study of geology, mineralogy, conditions of formation and application of non-metallic minerals: bentonite clays, kaolinite, glauconite, zeolite, carbonate rocks, diatomite, trepel, flask, etc. Studies terrigenous-diagenetic and hydrothermal mineral-forming systems. Conducts research on the mineral resource base and properties of natural sorbents, as well as their sorption properties in relation to radionuclides. He is engaged in clarifying the conditions of formation and mineral composition of low-gold-bearing mudstones of the Far East. He took part in field work at various fields in Russia, near and far abroad. Has more than 50 publications (including 8 publications from the WoS list).

Geology of nonmetallic minerals, terrigenous-diagenetic and hydrothermal mineral-forming systems of the Far East, conditions of formation and geological and structural position of nonmetallic minerals of Russia, lithology, industrial raw materials, mudstones, natural sorbents, bentonite clays, zeolites.