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Title: Cenozoic volcanism II: the Canary Islands
Authors: Carracedo, J.C.
Perez-Torrado, Francisco-Jose 
Ancochea, Eumenio
Meco, J. 
Hernán Reguera, F.
Cubas, Carmen Rosa
Casillas, Ramón
Rodriguez-Badiola, Eduardo
Ahijado, Agustina
UNESCO Clasification: 24 Ciencias de la vida
2416 Paleontología
Keywords: Cenozoico
Issue Date: 2002
Abstract: The Canarian archipelago comprises seven main volcanic islands and several islets that form a chain extending for c. 500 km across the eastern Atlantic, with its eastern edge only 100 km from the NW African coast (Fig. 18.1). The islands have had a very long volcanic history, with formations over 20 million years old cropping out in the eastern Canaries. Thus all stages of the volcanic evolution of oceanic islands, including the submarine stage as well as the deep structure of the volcanoes, can be readily observed. Rainfall and vegetation cover are relatively low, with the exception of the island of La Palma, favouring both geological observation and rock preservation. Furthermore, the absence of surface water has promoted groundwater mining by means of up to 3000 km of subhorizontal tunnels (locally known as ‘galerías’).


Source: Gibbons, Wes; Moreno, Teresa (eds.). Geology Of Spain. London : The Geological Society of London, 2002. ISBN 1-86239-110-6
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