Geology department was founded as a part of Buryat complex scientific Institute (BCAI) in 1958. Then BCSI was transformed in Buryat Department of Siberian Division of the USSA Academy of Sciences. Buryat Geological Institute of Siberian Branch of Russian Academy of Sciences was established in April 1973 on the base of Geology department.
The first director of the Institute was F.P. Krendelev. In 1980 noted scientist professor N.L. Doretsov (now is the academician) was assigned as a director, then E.G. Konnikov - from 1989 up to 1985 and A.G. Mironov - from 1995 up to 2009. Аt present time director is G.I. Tatkov.