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Transpressão
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Palavras-chave

Deformação transpressiva
Transtração
Cinturão Dom Feliciano
Partição da deformação

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DE TONI, Giuseppe Betino. Transpressão: uma revisão. Terrae Didatica, Campinas, SP, v. 20, n. 00, p. e024007, 2024. DOI: 10.20396/td.v20i00.8674325. Disponível em: https://periodicos.sbu.unicamp.br/ojs/index.php/td/article/view/8674325. Acesso em: 13 abr. 2024.

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Resumo

Transpressão representa a deformação por uma combinação entre contração e cisalhamento simples direcional e ao longo do mergulho (empurrão) de zonas de cisalhamento, em diferentes proporções. A deformação transpressiva é uma característica comum em diferentes orógenos, ao longo de margens convergentes de placas, e também em outros ambientes tectônicos. São revisados conceitos fundamentais para a compreensão da deformação transpressiva, em uma perspectiva histórica da evolução do conhecimento, a partir do acúmulo de observações de exemplos naturais e sofisticação dos modelos teórico-matemáticos. Além disso, a relação entre transpressão com alguns aspectos orogênicos importantes, como o magmatismo sintectônico, a partição da deformação e a exumação, também são abordados. Um estudo de caso, no limite entre ante-país e além-país no setor norte do Cinturão Dom Feliciano (Santa Catarina, Brasil), onde a deformação transpressiva regional culminou na partição da deformação em domínios estruturais, é apresentado como forma de ilustrar estes conceitos e relações.

https://doi.org/10.20396/td.v20i00.8674325
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Referências

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