Geological Magazine http://journals.cambridge.org/GEO Additional services for Geological Magazine: Email alerts: Click here Subscriptions: Click here Commercial reprints: Click here Terms of use : Click here Facies variations in peralkaline ashflow tuffs from the Kenya Rift Valley P. T. Leat Geological Magazine / Volume 122 / Issue 02 / March 1985, pp 139  150 DOI: 10.1017/S0016756800031046, Published online: 01 May 2009 Link to this article: http://journals.cambridge.org/abstract_S0016756800031046 How to cite this article: P.T. Leat (1985). Facies variations in peralkaline ashflow tuffs from the Kenya Rift Valley. Geological Magazine, 122, pp 139150 doi:10.1017/S0016756800031046 Request Permissions : Click here Downloaded from http://journals.cambridge.org/GEO, IP address: 139.184.30.131 on 30 Sep 2012