Differentiation of basalts of the Harrat Rahat volcanic field, Saudi Arabia
Thomas W Sisson1, Drew Tyler Downs2, Mark E Stelten3, Hannah R Dietterich4, Vincent J M Salters5, Andrew T Calvert6, Gail Ann Mahood7, Hani M. Zahran8, Khalid H. Hassan8 and Jamal Shawali8, (1)USGS Volcano Science Center Menlo Park, Menlo Park, CA, United States, (2)USGS Volcano Science Center Menlo Park, Menlo Park, United States, (3)USGS Volcano Science Center, Menlo Park, United States, (4)U.S. Geological Survey Volcano Science Center, Alaska Volcano Observatory, Anchorage, United States, (5)NHMFL, Tallahassee, FL, United States, (6)U.S. Geological Survey, Menlo Park, CA, United States, (7)Stanford University, Stanford, CA, United States, (8)Saudi Geological Survey, Jeddah, Saudi Arabia
