“…The carbonate successions of the Istrian Peninsula belongs to the Adriatic Carbonate Platform (AdCP), which was one of the largest Mesozoic carbonate platforms of the Peri-Mediterranean region, which developed as an isolated platform during the rifting phase that dismantled and drowned the extensive Upper Triassic-Lower Jurassic platform with the creation of a series of basinal areas such as the Adriatic/Belluno Basin, which borders the AdCP to the west (e.g., Winterer and Bosellini, 1981;Zappaterra, 1994;Ti ljar et al, 2002;Veli et al, 2003;Vlahovi et al, 2005;Ca ini et al, 2015;Wrigley et al, 2015). The drifting phase, related to the opening of the Alpine Tethys, created a broad passive margin and the AdCP experienced a general thermal subsidence, resulting in the formation of a thick stack of shallow-water carbonate sediments (up to 8 km, Br i et al, 2017) from the Jurassic until the Eocene time (Ti ljar et al, 2002;Vlahovi et al, 2005).…”