TY - RPRT TI - The duration and characteristics of magmatic differentiation from basalt to trachyte within the Matan volcanic center, northern Harrat Rahat, Kingdom of Saudi Arabia AU - Mark E. Stelten AU - Drew T. Downs AU - Hannah R. Dietterich AU - Gail A. Mahood AU - Andrew T. Calvert AU - Thomas W. Sisson AU - Molly R. Witter AU - Hani M. Zahran AU - Jamal Shawali PY - 2023 DO - 10.3133/pp1862f UR - https://pubs.usgs.gov/publication/pp1862F ID - pp1862F ER -