this volcanic stuff (angular blocks and fragmented bombs) came from a vent that is located close to the rim (Costada de Nau) and that is now exposed due to erosion.
This vent has nothing to do with Capelinhos and thus this material is much older than 1956-57 pyroclasts.
Comments
viczan, on February 26, 2008, said:
this volcanic stuff (angular blocks and fragmented bombs) came from a vent that is located close to the rim (Costada de Nau) and that is now exposed due to erosion. This vent has nothing to do with Capelinhos and thus this material is much older than 1956-57 pyroclasts.