Palynostratigraphy of the late Palaeozoic of Uruguay, Paraná Basin

Beri, Ángeles; Gutiérrez, Pedro Raúl; Balarino, Lucía

doi:10.1016/j.revpalbo.2011.05.004

Cited by 52 publications

(30 citation statements)

References 17 publications

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“…In Uruguay, it is comparable with the Cristatisporites inconstans-Vittatina saccata Assemblage Zone (IS) identified in the San Gregorio and Tres Islas Formations and in the basal part of the Melo Formation (Fraile Muerto Member) which is characterised by trilete spores and monosaccate pollen and, to a lesser extent, by non-taeniate bisaccate, taeniate bisaccate and plicate pollen grains (Beri et al, 2011). An early Cisuralian age is proposed for this Zone.…”

Section: South Americamentioning

confidence: 69%

A palynostratigraphic study of the Umrer Coalfield of Wardha Basin, Maharashtra State, Central India and its putative correlation with Indian and other Gondwanan areas

Kavali¹,

Shivanna²,

Lingappa³

et al. 2016

Geol. USP. Sér. Cient.

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The present work details the results of the palynological studies carried out in the Umrer Coalfield of Wardha Basin of Maharashtra State, Central India. The coalfield covers an area of 4 sq. km and is characterized by three coal seams designated as bottom, middle and top seams with partings. Statistical analysis of the palynomorphs from these sediments have revealed the dominance of radial monosaccate pollen grains of the genus Parasaccites and subdominance of non-striate bisaccate genus Scheuringipollenites in association with other typical early Permian taxa viz. Crucisaccites, Callumispora, Caheniasaccites, Brevitriletes, Tiwariasporis and Primuspollenites. This association characterizes the palynoflora of the upper Karharbari Formation of India on the basis of which the Umrer Coalfield has been assigned an early Permian late Sakmarian to early Artinskian age. It is further authenticated by the presence of the species Crucisaccites monoletus significant of the Karharbari Formation. Age deductions have also been made by correlations with similar assemblages from different basins in India and early Permian palynoflora from other Gondwanan continents some of which have been associated with radiometrically dated sediments.

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Section: South Americamentioning

confidence: 69%

A palynostratigraphic study of the Umrer Coalfield of Wardha Basin, Maharashtra State, Central India and its putative correlation with Indian and other Gondwanan areas

Kavali¹,

Shivanna²,

Lingappa³

et al. 2016

Geol. USP. Sér. Cient.

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“…milar podrían tener los registros de C. confluens en América del Sur. Asociaciones palinológicas de uruguay referidas por Beri et al (2011) a la Biozona Cristatisporites inconstans-Vittatina saccata (IS) han sido consideradas equivalentes a la Biozona FS de Argentina. Las mismas comparten numerosas especies en común con las aquí descriptas para la Formación Patquía.…”

Section: Insertae Sedis Cf Reduviasporonites Chalastus (Foster) Elsiunclassified

The Biozone Pakhapites fusus-Vittatina subsaccata in the Patquía Formation (Permian), Precordillera of La Rioja, Argentina

Césari¹,

Loinaze²,

Limarino³

2013

MACN

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“…La evolución de la diversidad que se observa en las asociaciones palinológicas durante el Paleozoico tardío puede ser usada como herramienta para comprender los cambios en la vegetación provocados por los cambios climáticos pasados. Existen antecedentes de estudios previos en los que se ha analizado la diversidad palinológica en cuencas sudamericanas utilizando, tanto la riqueza de los géneros, como el número de apariciones y desapariciones de éstos en los diferentes intervalos de tiempo (Beri et al, 2011(Beri et al, , 2013(Beri et al, , 2015. Los resultados de esos análisis indican que el comportamiento de la diversidad y de las apariciones y desapariciones de los géneros es coherente con la evolución climática.…”

Section: Introducción Y Metodologíaunclassified

“…Para la cuenca de Paraná en Brasil se usó la siguiente bibliografía: Ybert (1975), Cazzulo-Klepzig et al (1980), Dias Fabricio (1981, Marques-Toigo et al (1982, 1984, Picarelli et al (1987), Souza et al (1997Souza et al ( , 2010aSouza et al ( , 2010bdi Pasquo et al (2003adi Pasquo et al ( , 2003b, Iannuzzi et al (2006), Premator et al (2006), Souza (2006), Neregato et al (2008), Mori y Souza (2010, 2012) y Boardman et al (2012a, 2012b. Para la cuenca Paraná en Uruguay, se consideró Beri y Pecoits (2001), Beri et al (2011Beri et al ( , 2013 y Mautino et al (1998aMautino et al ( , 1998bMautino et al ( , 1998c. Para la Cuenca Parnaíba se usó y Dino y Playford (2002).…”

Section: Introducción Y Metodologíaunclassified

“…In the late Paleozoic strata of South America many changes in palynological assemblages can be observed. Particularly in Brazil and Uruguay, palynofloras have been used for biostratigraphic zonation Dino, 2000a, 2000b;Souza and Marques-Toigo, 2003;Souza, 2006;Beri et al, 2011;Mori and Souza, 2012). In addition, studies concerning the bio-horizons of appearance and disappearance, as well as the intervals of dominance of certain sporepollen taxa, have been presented for certain portions of Gondwana, especially for Indian basins (e.g., Tiwari, 1999aTiwari, , 1999b, some of them highlighting morphological changes and evolutionary trends (e.g., Venkatachala et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

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Palynodiversity patterns and paleoclimatic changes in the late Paleozoic in Brazil and Uruguay

Beri¹,

Martínez-Blanco²,

Tejera³

et al. 2018

Bol. geol. min.

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We have analysed the diversity of the late Paleozoic palynoflora of the Paraná (Brazil and Uruguay), Parnaíba and Amazon (Brazil) basins using already published data. In order to do this the total diversity and diversity with range-through approach curves were built up, as well as Foote's appearance and disappearance rates at the generic level. These parameters were also obtained separately for each group of sporomorphs. An important increase in diversity in the Asselian and Sakmarian and a posterior decrease until the Lopingian were observed. The values of the appearance rates were higher than those of disappearance and they peaked in the Asselian, while the highest disappearances took place in the Capitanian and, to a lesser extent, in the Sakmarian. On the other hand, spores and pollen grains show some differences in the general diversity trend. However, there are differences in the patterns of appearance and disappearance. Despite possible biases, mainly related to the collecting effort, the diversity curves and appearance and disappearance rates obtained are congruent with the climatic phases proposed for this region in these periods. The increase in the number of palynomorph genera is associated to the early Permian climatic amelioration whilst a decrease in diversity is related to the beginning of an arid phase.Keywords: Brazil, diversity, Paleozoic, Palynology, Uruguay. tado, resulta difícil asignar afinidades botánicas a muchos palinomorfos. Además, muchos morfotipos diferentes pueden ser producidos por la misma planta (Lindström et al., 1997). Sin embargo, se pueden observar patrones generales que se repiten en las diferentes cuencas ubicadas en diferentes zonas geográficas, que podrían relativizar los sesgos mencionados anteriormente. Por lo tanto, la presente contribución puede ser un aporte válido como una aproximación inicial a la temática de la diversidad en el Paleozoico superior.

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Palynostratigraphy of the late Palaeozoic of Uruguay, Paraná Basin

Cited by 52 publications

References 17 publications

A palynostratigraphic study of the Umrer Coalfield of Wardha Basin, Maharashtra State, Central India and its putative correlation with Indian and other Gondwanan areas

A palynostratigraphic study of the Umrer Coalfield of Wardha Basin, Maharashtra State, Central India and its putative correlation with Indian and other Gondwanan areas

The Biozone Pakhapites fusus-Vittatina subsaccata in the Patquía Formation (Permian), Precordillera of La Rioja, Argentina

Palynodiversity patterns and paleoclimatic changes in the late Paleozoic in Brazil and Uruguay

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