Características composicionales del Complejo Volcánico Sur I de Fuerteventura (Islas Canarias)



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Ancochea Soto, Eumenio and Brandle, J.L. and Cubas, C.R. and Hernán, F. and Huertas Coronel, María José (1996) Características composicionales del Complejo Volcánico Sur I de Fuerteventura (Islas Canarias). Geogaceta (19). pp. 35-38. ISSN 0213-683X

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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. 80th groups
are alkaline, the first normal alkaline (in the Cofete Area) and the second one more alkaline (in the
Mungía Area). When the proportions of crystallizing phases are estimated, these two groups show different
behaviour. The first group is controlled by olivine and c1ynopiroxene and the second one by these two
phases plus plagioclase and magnetite. These two different evolution paths culminate with also two
different more differentiated members. The basic rocks in the Cofete Area are related to the trachytes of
Montaña Azufrá whilst these in the Mungía Area are connected to the felsic rocks of Cofete Islet.

Item Type:Article
Uncontrolled Keywords:Canary islands, Fuerteventura, Old basaltic Series, Geochemistry
Subjects:Sciences > Geology > Petrology
ID Code:9919
Deposited On:04 Feb 2010 12:54
Last Modified:01 Mar 2010 11:58

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