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Rocas volcánicas submarinas en la base de la Formación Cañadas. Macizo de Tigaiga (N. de Tenerife)

Ibarrola, E. and Fúster Casas , José María and Ancochea Soto, Eumenio and Huertas Coronel, María José (1991) Rocas volcánicas submarinas en la base de la Formación Cañadas. Macizo de Tigaiga (N. de Tenerife). Geogaceta (9). pp. 17-20. ISSN 0213-683X

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Abstract

A volcanic submarine formation crops out in the north coast of Tenerife, east of San Juan de la
Rambla. This unit is formed by massive and pil/owed lavas, pillow-breccias, hyaloc/astites and palagonitic
tuffs and is interpreted as consisUng of subaerial lavas that flowed into shal/ow marine
waters. The lavas are amphibolic trachybasalts. An unaltered sample coming fram the most massive
zone has yielded a whole rack 2.60±0.17 Ma K-Ar age. These submarine lavas are underlying
the oldest formations of the Las Cañadas Series dated at 1.24 Ma in that same area. The submarine
lavas correspond to a time period for which very scarce information was yet available in Tenerife.


Item Type:Article
Uncontrolled Keywords:Tenerife, Cañadas Series, Submarine lavas, K-Ar geochranology.
Subjects:Sciences > Geology > Petrology
ID Code:9884
Deposited On:21 May 2010 09:59
Last Modified:06 Feb 2014 08:33

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