Quarry called “Ratssteinbruch” at Plauenscher Grund (gorge-like valley of the river Weißeritz nearby/in the city of Dresden, Saxony, Germany), Upper Carboniferous Monzonite (historically identified as Syenite) of the Meißen Massif (Paleozoic basement) unconformably overlain by Upper Cenomanian beds of the Dölzschen Formation, yellowish basal conglomerate and overlying bluish silty clay-marlstone (“plenus-Pläner”) of the Saxo-Bohemian Cretaceous Basin (Mesozoic platform).[1]