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Edad de los diques sálicos del Norte de la isla de La Gomera

Brandle, J.L. and Cubas, C.R. and Huertas Coronel, María José and Hernán, F. and Ancochea Soto, Eumenio (2001) Edad de los diques sálicos del Norte de la isla de La Gomera. Geogaceta (30). pp. 179-181. ISSN 0213-683X

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Abstract

Several trachytic and phanalitic, radial and canical dyke-swarms crap out an the La Gomera
narthern regian. The first age data abtained situate the intrusian episades coinciding in time with the
extrusian af the Old Basalts. The earlier dykes shaw a radial pattern, centred in Tamargada. They have
been dated in 8.0 Ma and 7.9 Ma. The canical swarm centred farther west, in Vallehermasa, has a
slightly more recent age, between 7.5 Ma and 6.4 Ma. A third dyke-swarm is spatially assaciated with
the canical structure and has likely a similar age.


Item Type:Article
Uncontrolled Keywords:Felsic dykes, Radial dyke-swarm, Cane sheet camplex, La Gomera, Canary Islands, K/Ar ages
Subjects:Sciences > Geology > Petrology
ID Code:9930
Deposited On:04 Feb 2010 11:45
Last Modified:01 Mar 2010 11:53

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