Search Results - "Guerstein, G. Raquel"

Mid-latitude Paleogene dinoflagellate cysts from offshore Santa Catarina (Pelotas Basin, Southern Brazil): Taxonomy and biochronostratigraphy by Premaor, Eduardo, Ferreira, Elizabete P., Souza, Paulo A., Guerstein, G. Raquel, Arai, Mitsuru

“…Palynological assemblages have been reported in pre-Quaternary deposits of the Pelotas Basin, except in the Santa Catarina Platform, where micropaleontological…”
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Integrated stratigraphy and paleontology of the lower Miocene Monte León Formation, southeastern Patagonia, Argentina: Unraveling paleoenvironmental changes and factors controlling sedimentation by Parras, Ana, Guerstein, G. Raquel, Pérez Panera, Juan P., Griffin, Miguel, Náñez, Carolina, Cusminsky, Gabriela, Quiroga, Analisa

“…Marine sedimentary rocks of the lower Miocene Monte León Formation of southeastern Patagonia (Austral Basin), Argentina are important geological archives for…”
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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…”
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Correlation and paleoenvironments of middle Paleogene marine beds based on dinoflagellate cysts in southwestern Patagonia, Argentina by Guerstein, G. Raquel, González Estebenet, M. Sol, Alperín, Marta I., Casadío, Silvio A., Archangelsky, Sergio

“…An understanding of paleonvironmental and paleoceanographic evolution of the Southwestern Atlantic Ocean during the Palaeogene is prevented by the lack of…”
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A late eocene-early Oligocene transgressive event in the Golfo San Jorge basin: Palynological results and stratigraphic implications by Paredes, José M., Foix, Nicolás, Guerstein, G. Raquel, Guler, María V., Irigoyen, Martín, Moscoso, Pablo, Giordano, Sergio

“…A new Cenozoic dataset in the subsurface of the South Flank of the Golfo San Jorge Basin (Santa Cruz province) allowed to identify a non-previously recognized…”
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A Response to ‘Comment to Wetzeliella and Its Allies - the ‘Hole’ Story: A Taxonomic Revision of the Paleogene Dinoflagellate Subfamily Wetzelielloideae by Williams et al. (2015)’ by Williams, Graham L, Damassa, Sarah P, Fensome, Robert A, Guerstein, G. Raquel

“…The paper by Williams et al. (2015) concerning a proposed taxonomic revision of the subfamily Wetzelielloideae has led to a comment by Bijl et al. (2016) that…”
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Middle Eocene dinoflagellate cysts from Santa Cruz Province, Argentina: Biostratigraphy and paleoenvironment by Sol González Estebenet, M., Raquel Guerstein, G., Rodriguez Raising, Martín E.

“…The upper member of the Río Turbio Formation is a well-exposed marine Eocene unit at high latitudes in Patagonia, Argentina. It holds important information…”
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Malvinia escutiana, a new biostratigraphically important Oligocene dinoflagellate cyst from the Southern Ocean by Houben, Alexander J.P., Bijl, Peter K., Guerstein, G. Raquel, Sluijs, Appy, Brinkhuis, Henk

“…The Eocene–Oligocene Transition (EOT, ~ 34 Ma) represents the culmination of Eocene cooling by the initiation of large-scale Antarctic glaciation. Recognition…”
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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…”
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Submarine evidence of Holocene sea-level fluctuations in the Bahía Blanca estuary, Argentina by Gómez, Eduardo A., Martínez, Dina E., Marcela Borel, C., Raquel Guerstein, G., Cusminsky, Gabriela C.

“…Sedimentological and micropaleontological studies were carried out on a core representative of regional submarine outcrops located in the external area of the…”
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Mid- to Late Holocene organic-walled dinoflagellate cysts from the northern Argentine shelf by Vilanova, Isabel, Guerstein, G. Raquel, Akselman, Rut, Prieto, Aldo. R.

“…A Mid- to Late Holocene dinocyst record from the northern inner shelf of Argentina is described. It is analyzed with respect to the distribution of modern…”
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Corrigendum to “Eocene paleoceanographic and paleoclimatic events recognized by assemblages of dinoflagellate cysts in the Southwest Atlantic Ocean”. Journal of South American Earth Sciences 130 (2023) 104587 by Premaor, Eduardo, Ferreira, Elizabete P., Guerstein, G. Raquel, Souza, Paulo A.

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Eocene paleoceanographic and paleoclimatic events recognized by assemblages of dinoflagellate cysts in the Southwest Atlantic Ocean by Premaor, Eduardo, Ferreira, Elizabete P., Guerstein, G. Raquel, Souza, Paulo A.

“…Variations in the relative frequencies between cosmopolitan dinoflagellate cysts and Antarctic assemblage species indicate temperature changes and variations…”
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Cousteaudinium aubryae (Dinophyceae, Cribroperidinioideae) from the lower to middle Miocene of the Pelotas Basin, southern Brazil: Morphology, biochronostratigraphy and paleobiogeography by Premaor, Eduardo, Ferreira, Elizabete P., Guerstein, G. Raquel, Souza, Paulo A., Arai, Mitsuru

“…In this paper, we present a detailed morphological study of Cousteaudinium aubryae (de Verteuil and Norris, 1996) from Miocene deposits of the Pelotas Basin,…”
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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…”
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THE PROBLEMATIC AQUATIC PALYNOMORPH GENUS COBRICOSPHAERIDIUM HARLAND AND SARJEANT, 1970 EMEND., WITH NEW RECORDS FROM THE HOLOCENE OF ARGENTINA by HEAD, MARTIN J, BOREL, C. MARCELA, GUERSTEIN, G. RAQUEL, HARLAND, REX

“…The aquatic palynomorph genus CobricosphaeridiumHarland and Sarjeant, 1970 was described from Holocene deposits of Australia. Restudy of the type material…”
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A NEW CAMPANIAN DINOFLAGELLATE CYST FROM ANTARCTICA: A BIOSTRATIGRAPHIC AND PALEOECOLOGICAL KEY SPECIES by Amenabar, Cecilia, Santos, Alessandra, Guerstein, Raquel

“…Palynological analysis of Upper Cretaceous marine rocks from the Rabot and Snow Hill Island formations, James Ross Basin, northeastern Antarctic Peninsula, has…”
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Late Neogene chronostratigraphy and integrated paleoecological trends in the southwestern Caribbean Sea by Pinzón, Diego, Rodríguez, Guillermo, Rincón-Martínez, Daniel, Prámparo, Mercedes B., Guerstein, G. Raquel, Restrepo, Sandra, Pérez Panera, Juan P., De la Parra, Felipe, Vargas, Maria Carolina, Vento, Bárbara, Martínez, Jhonatan

“…Palynology of the Neogene marine stratigraphic sequences in tropical latitudes is poorly studied Most studies focus on lower to middle Miocene deposits in the…”
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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…”
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Quistes de dinoflagelados (Cladopyxiaceae, Gonyaulacaceae, Goniodomaceae e incierta) del Oligoceno - Plioceno temprano de la cuenca del Colorado, Argentina by Guler, M. Verónica, Guerstein, G. Raquel

“…En el presente trabajo se describen e ilustran las asociaciones de quistes de dinoflagelados oligocenas a pliocenas provenientes de los pozos Fx-1, Dx-1 y de…”
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