In 2020 the archives of geological information and database of the Mostove deposit (ore zone 3) were compiled. The database consists of four main files (Collar, Inclination, Geology, Assay). Collar – includes main information about drill holes, including coordinates. Inclination – drill hole surveying file. Geology – the file of the geological logging of the drill holes core with the description of the lithologic varieties of rocks. Assay – data of sampling intervals and corresponding results of laboratory analyses.