Fig. 3

(a) Plot of clinopyroxene core and rim compositions on the Wo-En-Fs diagram; (b) Back-scattered electron (BSE) images showing some of the typical textural features of clinopyroxene phenocrysts from the 1888-90 eruption at Vulcano.

(a) Plot of clinopyroxene core and rim compositions on the Wo-En-Fs diagram; (b) Back-scattered electron (BSE) images showing some of the typical textural features of clinopyroxene phenocrysts from the 1888-90 eruption at Vulcano.