Figure 5 from Roark et al. (IMAGE) Geological Society of America Caption Figure 5 from A. Roark et al. (A) Orientation of the sampling transects through specimen MID2 for stable isotopes (outer image; sample billet) and trace elements (inset image; thin section). (B) The resulting isotopic and trace-element data for specimen MID2. Credit A. Roark et al. and GSA Bulletin Usage Restrictions Credit GSA Bulletin and A. Roark et al. License Licensed content 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.