Figure 5From: Towards high resolution ceramic series for production site studies: the case of Loron amphorae (Croatia, 1st–3rd c. A.D.)Biplot of log-ratios of K2O/SiO2 and Sr/SiO2. Blue dots Sisenna production group; blue ellipse 95% probability ellipse for Sisenna production group; red triangles Domitian production group; red ellipse 95% probability ellipse for Domitian production group.Back to article page