He, Ne, Ar and CO2 systematics of the Rungwe Volcanic Province, Tanzania: Implications for fluid source and dynamics Kimani, C. N. ; Kasanzu, C. H. ; Tyne, R. L. ; Mtili, K. M. ; Byrne, D. J. ; Kazimoto, E. O. ; Hillegonds, D. J. ; Ballentine, C. J. ; Barry, P. H. Abstract Publication: Chemical Geology Pub Date: December 2021 DOI: 10.1016/j.chemgeo.2021.120584 Bibcode: 2021ChGeo.58620584K