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      Palinología del Pérmico Inferior en la perforación CLS-24 (Cerro Largo Sur), departamento de Cerro Largo, Uruguay: Parte II: granos de polen Translated title: Palynology of the Lower Permian in the CLS-24 borehole (Cerro Largo Sur), Cerro Largo Department, Uruguay: Part II: pollen grains

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          Abstract

          Se presenta el análisis paleopalinológico de cuatro testigos laterales del pozo Cerro Largo Sur- 24 (14,9, 14,8, 7,8 y 3,5 mbpp), referibles a la Formación San Gregorio (Melo, departamento de Cerro Largo, Uruguay). Las asociaciones estudiadas incluyen esporas, prasinofitas y acritarcas (publicados en la Parte I), y granos de polen. En esta contribución se presentan los granos de polen monosacados, bisacados, estriados y plicados. Las asociaciones palinológicas son referidas al Pérmico Temprano, basado en el registro previo de sus componentes, y en parte correlacionadas con las Biozonas de Cristatisporites (cuenca Chacoparanense), Pakhapites fusus-Vittatina subsaccata (cuencas Paganzo, Calingasta-Uspallata, Río Blanco y San Rafael) y Vittatina costabilis (cuenca Paraná). Las pelitas, portadoras de los palinomorfos, integran la parte superior de la Formación San Gregorio y serían equiparables con el evento transgresivo postglacial identificado en Brasil (Grupo Itararé) y Argentina (formaciones Sachayoj-Charata y Ordóñez-Victoriano Rodríguez).

          Translated abstract

          The systematic description of pollen grains from four sidewell cores of Cerro Largo Sur-24 borehole (14.9, 14.8, 7.8, and 3.5 mbs), referred to the upper part of the San Gregorio Formation (Melo, Cerro Largo Department, Uruguay) is presented. The assemblages are represented by spores, prasinophytes, and acritarchs (described in Part I), and pollen grains. The pollen species comprise monosaccate, bisaccate, striate, and colpate grains. The assemblages are datable as Early Permian based on previous records of selected miospore taxa, and are partially correlated to the Cristatisporites Biozone (Chacoparanense Basin), the Pakhapites fusus-Vittatina subsaccata Biozone (Paganzo, Calingasta-Uspallata, Río Blanco, and San Rafael basins), and the Vittatina costabilis Biozone (Paraná Basin). The mudstones yielding the palynomorphs belong to the upper part of the San Gregorio Formation and would correlate with the post-glacial transgression recorded in Brazil (Itararé Group) and Argentina (Sachayoj-Charata and Ordóñez-Victoriano Rodríguez formations).

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          Fossil in situ spores and pollen grains: an annotated catalogue

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            Ferugliocladaceae, a new conifer family from the Permian of Gondwana

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              • Record: found
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              • Article: not found

              Permian palynostratigraphy of the Collie Basin, Western Australia

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                Author and article information

                Journal
                ameg
                Ameghiniana
                Ameghiniana
                Asociación Paleontológica Argentina (Buenos Aires, , Argentina )
                0002-7014
                1851-8044
                September 2006
                : 43
                : 3
                : 611-635
                Affiliations
                [01] Buenos Aires orgnameCONICET orgdiv1Museo Argentino de Ciencias Naturales B. Rivadavia orgdiv2División Paleobotánica Argentina
                [03] orgnameAgencia Nacional de Promoción Científica y Tecnológica
                [02] Montevideo orgnameFacultad de Ciencias orgdiv1Departamento de Paleontología Uruguay
                Article
                S0002-70142006000300008 S0002-7014(06)04300300008
                05919441-dce5-447a-9a35-3eedc1f60eb8

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 10 November 2005
                : 04 February 2005
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 158, Pages: 25
                Product

                SciELO Argentina


                Palynology,Pérmico Inferior,Granos de polen,CLS-24 borehole,Uruguay,Pozo CLS-24,San Gregorio Formation,Lower Permian,Pollen grains,Formación San Gregorio,Palinología

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