The geometry of the Vallehermoso Cone-sheet Complex La Gomera (Canary Islands)
| Autor: | Hernán, F., Cubas, C.R., Huertas Coronel, María José, Brandle, J.L., Ancochea Soto, Eumenio |
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| Rok vydání: | 2000 |
| Předmět: | |
| Zdroj: | E-Prints Complutense. Archivo Institucional de la UCM instname E-Prints Complutense: Archivo Institucional de la UCM Universidad Complutense de Madrid Arias Montano. Repositorio Institucional de la Universidad de Huelva |
| Popis: | A mainly phonolitic, 10 km in diameter, cone-sheet complex crops out on the northern area of La Gomera. The swarm intrudes into the Basal Complex, The Old BasaIts and other rocks of the Trachytic-phonolitic Complex to which they belong. The cone-sheet complex center lies south of Vallehermoso. Most of the dykes in the care of the structure are "conic dome-sheets" which start to be evidenced 400m far from the center and dip over 50°. In the surrounding area the dome-sheets are less frequent while simple canesheets are more abundant and dip more gently towards the periphery. From the analysis of their dips and distribution a single conic structure is deduced. The cane-sheets were originally connected to a hypothetical dome-shaped magmatic body whose uppermost part is at present located 7350m under sea level. |
| Databáze: | OpenAIRE |
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