The aim of this Master’s Thesis was to investigate mineralogical, geochemical, micromorphological and agroecological properties of paleosoil located at Monte Coronichi in Istria. During the field work investigation carried out for the project entitled "Comparison of terroir Istria, Vienna and Wachau", three sets of samples were taken along around 3 meters of the pedosediment complex. This Master’s Thesis focused on pedological and micromorphological analysis samples. Laboratory work consisted of a detailed chemical, pedological and micromorphological analysis of the paleosols, as well as soil samples, which were analyzed using SEM. Root samples were analyzed using a micro CT. The most important conclusions of this Master’s Thesis are: (1) pedosediment terra rossa complex was formed on carbonate basement, it contains surface horizon (P) and five B (illuvial) horizons and it was formed by intensive weathering, erosion and pedogenic processes. Three cycles are clearly visible in the complex and a general trend of increasing clay fraction content with depth can be observed, (2) pedosediment terra rossa complex consists of a clay particles which was confirmed by mineralogical analysis – clay minerals (kaolinite and illitic material) are dominant alongside quartz, whose content is reduced with depth. Micromorphological analysis confirmed the presence of clay minerals. They fill the area within the micromass and intrusive clay coatings. SEM analysis also confirms the presence of clay minerals, which occur as nanostrucurated microagregates of clay minerals (3) micromorphological analysis established that all thin sections present developed pedality, mostly subangular and angular peds. In coarse material of groundmass thin sections contain quartz, mica, feldspars and zircon and kyanite in heavy mineral fraction. Lithic material consists of quartzite, chert and bauxite. In the upper part of profile spongy-vughy microstructure is dominant, and c/f distribution of micromass is double-spaced porphyric. In the lower part of profile, channel-chamber microstructure is dominant, and c/f distribution of micromass is open porphyric. Main types of b-fabric are stipple-speckled, porostriated, granostriated, while crescent striated, cross-striated, monostriated and parallelstrated are also present. Intrusive pedofeatures (nodules, lithorelicts, and clay clasts) and impregnative matrix pedofeatures are dominant in thin sections, while fabric and depletion pedofeatures are present in some thin sections.