 Nyorai kupfuurira kweiyi ndima - Ben Nevis ndicho chinhu chose chakasara cheDevonian volcano iyo yakasangana nomugumo unotyisa munguva yeCarboniferous makore anenge mamiriyoni 350 apfuura. Uchapupu huri pedyo neshongwe hunoratidza kuti granite ine ruvara rwakajeka iyo yakanga yatonhora mumakamuri epasi pevhu makiromita anoverengeka pasi pevhu iri pakati pemapopa akasviba ebasaltic anoumbwa pamusoro chete. Mativi maviri akarara pamwe chete ufakazi hwekuti gomo guru rinoputika rakazvikomberedza richigadzira kuputika kwakafanana nekwaThera2nd millennium BC kana kuti Krakatoa 1883. 