Muirhead Fall 2018-Photo1 Published January 22, 2019 at 1075 × 1334 in Spotlight | Constraining variability in mantle CO2 flux along the East African Rift System Next → Graduate students Amani Laizer (University of Dar es Salaam) and Sarah Oliva (Tulane University) sampling gas from an actively degassing vent observed along a fault in the Natron basin. Photo credit: James Muirhead