The work substantiates the necessity and considers the methodology of own (by the researcher-modeler’s own effort) development of special applied software as a tool for modeling geological processes. The concept of a mantle plume as a system of mantle-crustal migrants, sequentially rising from the core to the fragile earth’s crust through a solid plastic mantle medium by the magma- and/or fluid fracture, is presented. A tool for computer modeling of thermal disturbance above a mantle plume in the process of its vertical development with the ability to save, process and interpret the obtained numerical and graphic information is proposed. Dependences are obtained between the depths of vertical propagation of the plume, geometric and temperature intervals of relaxation of thermal disturbance in the host medium, and geodynamic parameters. A method for assessing the thermal expansion of a medium based on the values of internal iterative variables during program execution is proposed.

Vasiliev Vladimir Igorevich, PhD of geology, Science researcher, Geological Institute of Siberian Branch of Russian Acаdеmу of Sciences (GIN SB RAS). 6A, Sakhyanova str., Ulan-Ude, Republic of Buryatia, 670047, Russia. E-mail: geovladi@yandex.ru, geovladi@ginst.ru.

Vasilieva Eugenia Vladimirovna, PhD of geology, Science researcher, Geological Institute of Siberian Branch of Russian Acаdеmу of Sciences (GIN SB RAS). 6A, Sakhyanova str., Ulan-Ude, Republic of Buryatia, 670047, Russia. E-mail: geovladi@ginst.ru.

Zhatnuev Nikolay Sergeevich, Doctor of Geological and Mineralogical Sciences, Senior researcher, Geological Institute of Siberian Branch of Russian Acаdеmу of Sciences (GIN SB RAS). 6A, Sakhyanova str., Ulan-Ude, Republic of Buryatia, 670047, Russia. E-mail: zhat@ginst.ru.

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