The exposition of the Hall is dedicated to St. Petersburg and the Leningrad Region and is conventionally divided into two parts.
The first one presents samples of ornamental and facing stones used in the most famous architectural monuments and in building the subway. There is an exhibition of the most notable deposits of facing stone: marble and granite.
The second part of the exhibition is devoted to the geology of the Leningrad Region and surrounding territories, with the focus on showing the main stratigraphic units of the region, characteristic organic remains and fauna, mineral resources.
