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espanolEn los valles del Guadiaza y Verde (este ultimo en su area of Hoyo del Bote) se ha definido previamente la ventana tectonica de la unidad del Guadaiza, basada en la interpretacion de que una formacion alli existente corresponde a una aureola dinamotermica formada bajo peridotitas de Ronda cabalgantes, hecho que consideran ocurrio durante el Mioceno inferior. Sin embargo, el analisis de la relacion geometrica existente entre esta formacion y las peridotitas indica que no esta situada bajo ellas, sino encima. Ademas, las rocas de esta supuesta aureola presentan una transicion litologica a otra formacion de edad permica, tambien situada sobre las peridotitas. En consecuencia, la supuesta ventana tectonica no existe y el numero de unidades tectonicas que existen en la parte occidental del Complejo Alpujarride disminuye. A la vez se muestra que las peridotitas de la region alcanzaron la superficie durante el Paleozoico. EnglishIn the valleys of Guadiaza and Verde (the latter in its area of Hoyo del Bote), the tectonic window of the Guadaiza unit has been previously defined based on the interpretation that a formation existing there was a dynamothermal aureole formed under thrusting Ronda peridotites, this being interpreted as having occurred during the early Miocene. Nevertheless, the analysis of the geometrical relationship between this formation and the peridotites indicates that the cited formation is not situated under the peridotites, but above them and, moreover, the rocks of this supposed aureole present a lithological transition to others of Permian age, which are also situated over the peridotites. As a result, the supposed tectonic window does not exist and the number of tectonic units existing in the western part of the Alpujarride Complex diminishes. It is also clear that the peridotites of this region reached the surface during the Paleozoic.

boletín geológico y minero/boletín geológico y minero

Implication of the geology of the Guadaiza and Verde valleys (Malaga Province, Betic Cordillera) on the position of the Ronda peridotites and the structure of the Alpujárride Complex.