Evidencias de mezcla de magmas en el Edificio volcánicosubvolcánico de Betancuria (Fuerteventura, Islas Canarias)

The volcanic subvolcanic Betancuria edifice belongs to the upper part o{ subaerial Miocene volcanic serie. It is made of evolved basalts (mainly trachybasalts), polimictic welded tuff and Lrachyandesytetrachysyenite annular dikes. These rock-succesions are genetically intere/ated by a process of basa/tic and trachytic magma mixing. Mingling evidences are represented by polimictic banded welded luff, composite dil

Keywords:

• Igneous differentiation
• Basalt
• Geology
• Geochemistry

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