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・ Rio Arriba County, New Mexico
・ Rio Ave F.C.
・ Rio Azul, Paraná
・ Rio Bananal
・ Rio Bananal Futebol Clube
・ Rio Banano Formation
・ Rio Belongs to Us
・ Rio Beni titi
・ Rio Blanco (Colorado)
・ Rio Blanco County, Colorado
・ Rio Blanco Oil Shale Company
・ Rio Bom
・ Rio Bonito
・ Rio Bonito (New Mexico)
・ Rio Bonito do Iguaçu
Rio Bonito Formation
・ Rio Bonito, Rio de Janeiro
・ Rio Branco
・ Rio Branco antbird
・ Rio Branco Atlético Clube
・ Rio Branco de Andradas Futebol Clube
・ Rio Branco do Ivaí
・ Rio Branco do Sul
・ Rio Branco Esporte Clube
・ Rio Branco Football Club
・ Rio Branco Institute
・ Rio Branco International Airport
・ Rio Branco Sport Club
・ Rio Branco, Acre
・ Rio Branco, Mato Grosso


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Rio Bonito Formation : ウィキペディア英語版
Rio Bonito Formation

The Rio Bonito Formation is a geological formation of the Paraná Basin of Permian age. It is represented by a succession of cyclic sedimentary packages of sandstones, siltstones and shales being the bearer of extensive deposits of coal that is extracted from the 19th century.〔White, I.C. (1908) Comissão de Estudos das Minas de Carvão de Pedra do Brazil – Relatório final. (relatório bilíngüe, português e inglês); 617 p. + ilustr.; Imprensa Nacional, Rio de Janeiro, Brasil. IN: CPRM (2008). 30 cm. Edição comemorativa: 100 anos do Relatório White. Edição facsimilar. CDD 553.209816.〕 The Rio Bonito Formation was deposited in a coastal environment, formed by rivers, deltas, bays and estuaries with tidal plains, barrier islands and shallow marine platform, at a time when the Paraná Basin was a large gulf of the ancient supercontinent Gondwana. This gulf was open to the southwest, to the old ocean Panthalassa. The range of the Rio Bonito Formation outcrops occurs mainly in the eastern border of the Paraná Basin, in a narrow band in the states of São Paulo, Paraná, Santa Catarina, Rio Grande do Sul and Uruguay.〔Milani, E. J.; Melo, J. H. G., Souza, P. A.; Fernandes, L. A. E França, A. B. – Bacia do Paraná. In: Cartas Estratigráficas - Boletim De Geociências da Petrobras, Rio de Janeiro, v. 15, n. 2, p. 265-287, May/November 2007.〕 The Rio Bonito Formation belongs to supersequence stratigraphic second-order supersequence called Gondwana I.〔Milani, E. J. – Evolução tectono-estratigráfica da Bacia do Paraná e seu relacionamento com a geodinâmica fanerozóica do Gondwana sul-ocidental. 1997. 2vol. Il. Tese (Doutorado) – Universidade Federal do Rio Grande do Sul, Curso de Pós-Graduação em Geociências, Porto Alegre, 1997.〕
==Glossopteris Flora==
Glossopteris Flora, it is considered a global guide to fossil sequences Gondwana, having been developed and become the dominant flora of the southern Permian to early Triassic, having become extinct at the end of this period. This flora is not only the main fossil content of the Rio Bonito Formation coals, the coal extracted as in Australia and South Africa's first work to record the occurrence of horizons megaflora associated with coal seams within a paleogeographic approach and palaeoclimatic in the Paraná Basin, was the study by White in 1908. This allowed a large correlation between Gondwana coal deposits in southern Brazil and those registered in South Africa, Australia, India and Antarctica, including showing that the latter has been in latitude near the south pole less than today, allowing the occurrence of an extensive flora.

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