Search Results - "Amenabar, Cecilia R."

Nothofagus and the associated palynoflora from the Late Cretaceous of Vega Island, Antarctic Peninsula by Romero, Edgardo, Amenábar, Cecilia R, Zamaloa, María C, Concheyro, Andrea

“…Nothofagaceae fossil leaves and an associated palynoflora from Late Cretaceous sediments of Vega Island, eastern Antarctic Peninsula, are presented. The leaves…”
Get full text

Nannofossils, foraminifera and microforaminiferal linings in the Cenozoic diamictites of Cape Lamb, Vega Island, Antarctica by Concheyro, Andrea, Caramés, Andrea, Amenábar, Cecilia R., Lescano, Marina

“…Micropaleontological and palynological samples from three Cenozoic diamictites at Cape Lamb, Vega Island, James Ross Basin were analysed. Fossiliferous samples…”
Get full text

Small Antarctic Late Cretaceous Chorate Dinoflagellate Cysts: Biological and Palaeoenvironmental Affinities by Amenábar, Cecilia R, Candel, María Soledad, Guerstein, G. Raquel

“…Small spiny marine palynomorphs have been the focus of recent palynological studies since their high proportions in Antarctic Late Cretaceous and Cenozoic…”
Get full text

Turbiosphaera archangelskyi sp. nov. and a morphological complex from the late Middle to Late Eocene of southern high latitudes: Biostratigraphic, palaeoenvironmental and palaeoceanographic implications by Guerstein, G. Raquel, Amenábar, Cecilia R., Fensome, Robert A., Daners, Gloria, Palma, Elbio D.

“…We record a morphological complex of species of the dinoflagellate-cyst genus Turbiosphaera from the uppermost Río Turbio Formation, considered to be of late…”
Get full text

Campanian-Eocene dinoflagellate cyst biostratigraphy in the Southern Andean foreland basin: Implications for Drake Passage throughflow by Bijl, Peter K., Guerstein, G. Raquel, Sanmiguel Jaimes, Edgar A., Sluijs, Appy, Casadio, Silvio, Valencia, Victor, Amenábar, Cecilia R., Encinas, Alfonso

“…The tectonic opening of the Tasmanian Gateway and Drake Passage represented crucial geographic requirements for the Cenozoic development of the Antarctic…”
Get full text

New records of hexanchiform sharks (Elasmobranchii: Neoselachii) from the Late Cretaceous of Antarctica with comments on previous reports and described taxa by dos Santos, Rodolfo Otávio, Riff, Douglas, Amenábar, Cecilia R., Ramos, Renato Rodriguez Cabral, Rodrigues, Igor Fernandes, Scheffler, Sandro Marcelo, Carvalho, Marcelo de Araújo

“…Sharks are virtually absent from coastal Antarctica since the Late Eocene glaciations, but this group exhibited a notable austral diversity during the…”
Get full text

Eocene palaeoenvironments and palaeoceanography of areas adjacent to the Drake Passage: insights from dinoflagellate cyst analysis by Amenábar, Cecilia R., Guerstein, G. Raquel, Alperin, Marta I., Palma, Elbio D., Casadío, Silvio, Belgaburo, Alexandra, Rodríguez Raising, Martín, Coxall, Helen

“…A proper understanding of the palaeoceanographic evolution of the Drake Passage during the Palaeogene is hampered by the lack of precise tools to date and…”
Get full text

The Blake Geomagnetic Field Event recorded in a sequence of marine and continental facies outcropping in the coast of Buenos Aires province, Argentina by Vizán, Haroldo, Azcuy, Carlos L., Tófalo, Ofelia Rita, Geuna, Silvana E., Amenabar, Cecilia R., Orgeira, María Julia, Renda, Emiliano M., Carreño, Clara Braña, Panarello, Héctor, Castro, Liliana

“…Different authors have suggested that there is a relationship between Quaternary geomagnetic field events and climate variability. Considering that in a recent…”
Get full text

Nothofagus and the associated palynoflora from the Late Cretaceous of Vega Island, Antarctic Peninsula by Romero, Edgardo, Amenábar, Cecilia R., Zamaloa, María C., Concheyro, Andrea

Get full text