1. Metasomatic Processes Beneath NW Saudi Arabia: Evidence from Olivine and Clinopyroxene in Mantle Xenoliths Restricted (Penn State Only) Author: Santamaria, Angelina Title: Metasomatic Processes Beneath NW Saudi Arabia: Evidence from Olivine and Clinopyroxene in Mantle Xenoliths Area of Honors: Geosciences Keywords: MetasomatismMantle xenolithsContinental basaltsPetrogenesisMetasomatismMantle xenolithsContinental basaltsPetrogenesisMinor and Trace Elements File: Login to Download Thesis Supervisors: Tanya Furman, Thesis SupervisorMaureen Feineman, Thesis Honors Advisor