Arnaud, N. and Huertas Coronel, María José and Cantagrel, Jean Marie and Ancochea Soto, Eumenio and Fúster Casas, José María (2001) Edades 39 Ar/40 Ar de los depósitos de Roques de García (Las Cañadas, Tenerife). Geogaceta (29). pp. 19-22. ISSN 0213-683X
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Abstract
During the evolution of the Las Cañadas volcanic edifice, debris avalanches were very significant destructive events. The Roques de Carcia unit was generated by such an evento 39Ar/40Ar dating has been carried out on different rock types related to this deposito 1.70-1.40 Ma ages were measured on volcanic material involved in the avalanche deposit, 0.43 Ma on a phonolitic dyke cutting this formation. These results bracket the age of the debris avalanche emplacement which could mark either the transition between Cañadas II-Cañadas III (1.4-1.1 Ma) or Cañadas IIIa-Cañadas IIIb (0.6-0.7 Ma) volcanic phases.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | 39Ar/40Ar chronology, Debris avalanches, Roques de García unit, Tenerife, Canary islands |
| Subjects: | Sciences > Geology > Petrology |
| ID Code: | 9932 |
| Deposited On: | 04 Feb 2010 12:42 |
| Last Modified: | 01 Sep 2011 10:51 |
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