Nikolai Leontievich Dobretsov, full member of the Russian Academy of Sciences, chairman of the SB RAS United Scientific Council of Geosciences, head of the Chair of Mineralogy and Petrography of the Geology and Geophysics Department at Novosibirsk State University, and vice-president of the Russian Academy of Sciences in the recent past, has his seventy-fifth anniversary on 15 January 2011. He is a distinguished scholar in geosciences and a world known authority in mineralogy, petrology of igneous and metamorphic rocks, tectonics, and modeling of geological processes and subcrustal geodynamics.

Nikolai Dobretsov has been working for the Siberian Branch of the Russian...

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