Thesis Collection
Last Deposit
Browsing by Subject "Canary islands"
Now showing items 1-4 of 4
-
Características composicionales del Complejo Volcánico Sur I de Fuerteventura (Islas Canarias)
(Sociedad Geológica de España, 1995)The Southern Volcanic Complex I consists mainly of basalts with scarce felsic members. On the basis of chemical and mineralogical compositional features two groups could be considered. Both groups are alkaline, the first ... -
Edades 39Ar/40Ar de los depósitos de Roques de García (Las Cañadas, Tenerife)
(Sociedad Geológica de España, 2000)During the evolution of the Las Cañadas volcanic edifice, debris avalanches were very significant destructive events. The Roques de Garcia unit was generated by such an event. 39Ar/40Ar dating has been carried out on ... -
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 ... -
Existencia de Zirconolita en la aureola de contacto del Plutón de Pájara. (Fuerteventura, Islas Canarias)
(Sociedad Geológica de España, 1997)Zirconolite (CaZrT¡2OJ is a rare accessory mineral, described in a wide range of rock types and geological environmehts.fhe chemical composition of zirconolite can vary extensively, with the main substitutions involving. ...
