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Browsing by Subject "Alkaline rocks"
Now showing items 1-3 of 3
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El Olivino de las rocas volcánicas miocenas de la isla de Fuerteventura (Islas Canarias)
(Sociedad Geológica de España, 1996)Olivine phenocrysts are always present in the Miocene basalts of Fuerteventura, whilst they are scarce in the trachybasaltic types. Notwithstanding, olivine is common as part of the groundmass in these trachybasalts. This ... -
El Piroxeno de las rocas volcánicas miocenas de la isla de Fuerteventura (Islas Canarias)
(Sociedad Geológica de España, 1996)Pyroxene (dio psid e o r augite) is p re se n t in a ll rocks o f th e M io c e n e V o lc a n ic C om plexes on Fuerteventura. Pyroxene phenocrysts are specially abundant in basalts, in which they represent a third of all ... -
Petrología y geoquímica del Edificio Antiguo de la isla de Santa Luzia (archipiélago de Cabo Verde)
(Sociedad Geológica de España, 2014)Santa Luzia island is essentially formed by erosional remnants of, at least, one volcanic edifice: the Old Edifice. The remains of this edifice are now a NW-SE trending mountain range. It is a fisural edifice that ...
