Sulfur Isotope Analysis Identified Where Vermilion Came From (image) RIKEN Share Print E-Mail Caption Artifacts from Kyoden that were sampled for vermilion using sulfur-free adhesive tape. (top and bottom left) Earthenware fragments. (top right) Stone tool. (bottom right) Potsherd. Arrows point to the sampled locations. Credit RIKEN Usage Restrictions credit RIKEN Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.