Río Gor, comarca de Guadix, provincia de Granada: una nueva sección de referencia del Paleógeno inferior Subbético
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Abstract
La recientemente descubierta sección de Río Gor es mucho más expandida
y completa que la clásica sección de Alamedilla, a menudo considerada
la sección más representativa de la sucesión del Paleógeno inferior de la
Zona Subbética (Cordillera Bética). La sección de Río Gor, por tanto, ofrece
mejores perspectivas que Alamedilla para testar la aplicabilidad de los criterios
recientemente adoptados en la Cuenca Vasca para marcar las bases
de los pisos globales Selandiense, Thanetiense y Luteciense, y para localizar
y analizar el registro de eventos hipertermales típicos de este intervalo geológico.
Este trabajo describe la litoestratigrafía de la nueva sección, junto
con una zonación biostratigráfica preliminar basada en foraminíferos planctónicos,
y discute futuras líneas de investigación para explotar su potencial
The recently discovered Río Gor section has been found to be far more expanded and complete than the classic Alamedilla section, often considered the most representative section of the lower Paleogene succession of the Subbetic Zone (Betic Cordillera). The Río Gor section, therefore, offers better prospects than Alamedilla to test the applicability of the criteria recently adopted in the Basque Basin to pinpoint the bases of the Selandian, Thanetian and Lutetian global stages, and to locate and analyze the signature of hyperthermal events typical of this geological interval. This paper describes the lithostratigraphy of the new section, together with a preliminary biostratigraphic zonation based on planktonic foraminifera, and discusses future lines of research to fully exploit its potential
The recently discovered Río Gor section has been found to be far more expanded and complete than the classic Alamedilla section, often considered the most representative section of the lower Paleogene succession of the Subbetic Zone (Betic Cordillera). The Río Gor section, therefore, offers better prospects than Alamedilla to test the applicability of the criteria recently adopted in the Basque Basin to pinpoint the bases of the Selandian, Thanetian and Lutetian global stages, and to locate and analyze the signature of hyperthermal events typical of this geological interval. This paper describes the lithostratigraphy of the new section, together with a preliminary biostratigraphic zonation based on planktonic foraminifera, and discusses future lines of research to fully exploit its potential







