Open Access Research Paper Views (345) Download (12) Petrology and geochemistry of volcanic rocks in south Langrood Sedigheh Ehsani, Mohammad Ali Arian, Mohammad Hossein Razavi J. Bio. Env. Sci.5( 6), 345-352, December 2014. Key: Calc-alkalineGeochemistryPetrologyRiftShoshoniteSouth LangroodTholeiitic Details