Khosoumi Mountains, Iran (IMAGE) Geological Society of America Caption July GSA Today cover image: Khosoumi Mountains in the southern part of the Chapedony metamorphic core complex of Central Iran. The high mountains in the back are represented by Eocene plutonic rocks of the footwall unit. Eocene volcaniclastic rocks in the foreground form the hanging-wall unit. Credit Franz Neubauer of the University of Salzburg and Fariba Kargaranbafghi of the University of Yazd, and <I>GSA Today</I>. Usage Restrictions Credit: Franz Neubauer of the University of Salzburg and Fariba Kargaranbafghi of the University of Yazd, and <I>GSA Today</I>. 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.