publication Thesis 2017 The Similarities and Differences in the Petrogenesis of the Two Volcanic Fields, Potrillo, New Mexico, USA, and Harrat Kishb, western Saudi Arabia more of publication Timing and Composition of Volcanism at Harrat Ithnayn Western Saudi Arabia by Suhail Saleh S Alhejji 2019 The Similarities and Differences in the Petrogenesis of the Two Volcanic Fields, Potrillo, New Mexico, USA, and Harrat Kishb, western Saudi Arabia 2017 Volcanic History and Hazards Posed by the Basaltic Lava Fields of Harrats Rahat and Lunayyir, Saudi Arabia