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Dive into the research topics where Francisco Javier Rodríguez Tovar is active.

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Featured researches published by Francisco Javier Rodríguez Tovar.


Polar Research | 2016

Environmental significance of Ophiomorpha in a transgressive - regressive sequence of the Spitsbergen Paleocene

Jenȍ Nagy; Francisco Javier Rodríguez Tovar; Matías Reolid

The study focuses on occurrences of Ophiomorpha burrows in a transgressive–regressive succession composing the Early Paleocene Firkanten Formation deposited in paralic, prodelta to delta front conditions in the Central Basin of Spitsbergen. The burrows colonize sandstones of the Todalen Member at four sites and belong to two ichnospecies: Ophiomorpha cf. nodosa, forming dominantly vertical shafts; and O. cf. irregulaire, consisting of horizontal sinuous tunnels ending in subconical shafts. Both species are observed in shoreface sandstones deposited as a barrier bar. Lithological features and stratigraphic positions suggest that the trace-makers preferentially colonized high-energy sand environments. Foraminiferal faunas occurring below and above the barrier sandstones indicate brackish water conditions for the Ophiomorpha levels, which accordingly are of restricted, monospecific nature. It is inferred that the trace-makers had a dominantly suspension feeding habit as a modern analogue Calianassa major. Portrayed in a sequence stratigraphic framework, the Ophiomorpha-bearing sandstones in middle reaches of the Central Basin were deposited in the final stage of the transgressive systems tract, which drowned the underlying coal-bearing paralic facies. Moreover, in the northern, coal-rich parts of the basin, occurrence of Ophiomorpha signals marine ingression into the paralic system.


Revista española de paleontología | 1995

Asociaciones de tintinnoides en facies ammonitico rosso de la Sierra Norte (Mallorca)

Federico Olóriz Sáez; J. E. Caracuel; Maria Beatriz Marques; Francisco Javier Rodríguez Tovar


Spanish journal of palaeontology | 2015

Application of digital image treatment to the characterization and differentiation of deep-sea ichnofacies

Javier Dorador; Francisco Javier Rodríguez Tovar


Revista española de paleontología | 1999

Análisis paleoicnológico del perfil de Puerto Lorente (Kimmeridgiense, Sierra de Cazorla, prebético externo)

Federico Olóriz Sáez; Francisco Javier Rodríguez Tovar


Geogaceta | 1995

Presencia de Mirosphinctes frickensis (Moesch) en el Oxfordiense superior de la Sierra de Cazorla

Federico Olóriz Sáez; Francisco Javier Rodríguez Tovar


Geogaceta | 1992

Reconsideración del límite Oxfordiense-Kimmeridgiense en el perfil de Puerto Lorente (Prebético Externo).

Federico Olóriz Sáez; Francisco Javier Rodríguez Tovar


Actas de las sesiones científicas : III Congreso Geológico de España, Vol. 1, 1992, ISBN 84-600-8132-X, págs. 147-152 | 1992

Caracterización mineralógica del perfil de Fuente Alamo (prov. Albacete) y contribución a la reconstrucción ambiental del Kimmeridgiense basal en el Prebético Oriental

Francisco Javier Rodríguez Tovar; Alberto López Galindo; Federico Olóriz Sáez


Boletín geológico y minero | 2013

Análisis espectral de series temporales de variables geológicas con muestreo irregular

Eulogio Pardo Igúzquiza; Francisco Javier Rodríguez Tovar


Geogaceta | 1992

Contribución del análisis icnológico en la interpretación del origen de la rítmita margoso-calcárea de edad Kimmeridgiense inferior (Zona Platynota) en el Prebético Central

Federico Olóriz Sáez; Francisco Javier Rodríguez Tovar


Spanish journal of palaeontology | 2017

Integrative stratigraphy and climatic events of a new lower Paleogene reference section from the Betic Cordillera: Río Gor, Granada province, SE Spain

Victoriano Pujalte Navarro; María Estibaliz Apellániz Ingunza; Fernando Caballero Santamaria; Simonetta Monechi; Silvia Ortiz Sainz-Aja; Xabier Orue-Etxebarria Urkitza; Francisco Javier Rodríguez Tovar; Birger Schmitz

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