Figure 1 (IMAGE) Compuscript Ltd Caption Plate tectonic picture that shows continent-ocean transition, mid-ocean ridge spreading system, plume-head with overlying oceanic plateau, backarc spreading system, forearc, and volcanic arc system. The various ophiolite types and their architectural constructions have been placed in the position where they originally were formed. Credit GeoGeo Usage Restrictions Credit must be given to the creator. License CC BY 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.