“…Third, geological characteristics of geosites permit outlining their main features that can be assigned to geoheritage types. The classification by Ruban [22], which was updated later by the same author [23], is employed. A total of 18 types are distinguished, namely, stratigraphical, palaeontological, palaeogeographical, tectonic, cosmogenic, igneous, sedimentary, metamorphic, geothermal, mineralogical, geochemical, geomorphological, engineering, geocryological, pedological, hydro(geo)logical, economical, and geohistorical types.…”