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Browsing by Author "Checa, A."
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Análisis numérico de la distribución de trazas de bioturbación. Un ejemplo de la Unidad de la Mola (Zonas Externas de las Cordilleras Béticas, provincia de Alicante)
Nieto, Luis M.; Jiménez Espinosa, R.; Molina, José Miguel; Ruiz Ortiz, Pedro Alejandro; Checa, A. (Sociedad Geológica de España, 1996)The application of numerical methods to the study of the distribution of trace fossil in hardground surfaces appears scarcely in the previous bibliography, mainly because these traces usually have a random distribution not ... -
Biohermos de esponjas y estromatolitos en la secuencia transgresiva oxfordiense de la Sierra de Cazorla
Acosta, P.; García Hernández, M.; Checa, A. (Sociedad Geológica de España, 1988)The Middle and Upper Oxfordian transgressive depositional sequence of Sierra de Cazorla, shows some sponge-calcareous stromatolite bioherms grown on a pelagic shelf (homoclinal ramp type). The geographical and temporal ... -
Cavidades kársticas con relleno de Calloviense Superior y Oxfordiense Inferior (Subbético Externo; Sierra de Estepa, provincia de Sevilla)
Castro, J. M.; Checa, A.; Ruiz Ortiz, Pedro Alejandro (Sociedad Geológica de España, 1989)Upper Callovian and Lower Oxfordian materials have been found in the area of Estepa (External Subbetic). Karstification of the underlying ooid limestones of the Middle Jurassic, would give rise to large and deep karstic ... -
Las discontinuidades del límite Dogger-Malm: estructuras y lagunas estratigráficas asociadas (Subbético oriental; provincias de Alicante y Murcia)
Nieto, Luis M.; Checa, A.; Molina, José Miguel; Ruiz Ortiz, Pedro Alejandro (Sociedad Geológica de España, 1995)The Dogger-Malm boundary unconformities show different structures in the Eastern Subbetic outcrops. They are identified by the presence of characteristic fossils associated to the hardgrounds, two types of ichnofossils ... -
Paleofosa Tectónica con Relleno de Ammonítico Rosso del Jurásico Superior (Subbético Externo; provincia de Córdoba)
Ruiz Ortiz, Pedro Alejandro; Checa, A.; Molina, José Miguel (Sociedad Geológica de España, 1989)A recurrence in the Upper Jurassic Ammonitico Rosso facies sequence of the External Subbetic is described and interpreted as the deposition in the two blocks of an active Jurassic fault, in account of the features associated ... -
Rellenos pelágicos Jurásicos en el interior del Permotrías de la Unidad de Montecorto (Cordillera Bética, provincia de Cádiz y Málaga)
Martín Algarra, Agustín; Checa, A. (Sociedad Geológica de España, 1989)A network of fissure-fillings of red pelagic limestones and breccias constitutes the only Jurassic formation of the Montecorto Unit. These fillings are enclosed within continental red-beds (cross-bedded sandstones and ...