Differentiation of the Alpujarride tectonic units between Motril and Almuñécar (Granada province, Betic Internal Zone)
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Abstract
Un nuevo estudio ha permitido la completa diferenciación de las unidades tectónicas alpujárrides de Almijara y Salobreña, a las que se les había atribuido una formación común de mármoles a pesar del cabalgamiento que las separa. Ambas unidades son totalmente independientes. Durante la etapa de cabalgamientos se produjeron enormes cizallamientos, particularmente en la unidad de Almijara, de manera que al E de la zona estudiada llega a desaparecer y la unidad de Salobreña se sitúa directamente encima de la unidad in-ferior de Escalate, algo no conocido anteriormente. Fallas posterio-res han cortado transversalmente en este sector a la Zona Interna Bética
A new analysis distinctly differentiates the Alpujarride Salobre-ña and Almijara tectonic units, to which were attributed a common marble formation, now separated in each unit; both units are enti-rely independent. These units underwent great shearing during the thrusting stage. Particularly the Almijara unit disappeared in the eastern part of the study area, where the Salobreña unit was situa-ted directly over the Escalate lower tectonic unit, a feature previously unknown. Moreover, in this sector, later faults contributed to a trans-versal cut of the Betic Internal Zone
A new analysis distinctly differentiates the Alpujarride Salobre-ña and Almijara tectonic units, to which were attributed a common marble formation, now separated in each unit; both units are enti-rely independent. These units underwent great shearing during the thrusting stage. Particularly the Almijara unit disappeared in the eastern part of the study area, where the Salobreña unit was situa-ted directly over the Escalate lower tectonic unit, a feature previously unknown. Moreover, in this sector, later faults contributed to a trans-versal cut of the Betic Internal Zone