Title

L.R. Kolbantsev

Map of the Nerchinsk plant environs – the first Russian geological map

The earliest Russian manuscript lithologic-petrographic «Map of the Nerchinsk mining plant neighbourhoods (1789–1794)» was found in the Central State Historical Archive, Leningrad in 1925. Until now it has been not available for study. The paper considers the map history, mapping methodology, who and why conceived and compiled it, as well as the possible authors of the idea to show rock composition by colors.
Key words:Geological Map, Barboth de Marny, Nerchinsk mining plant, Transbaikalia, history of geology.