Cross-strata palaeocurrent analysis using virtual outcrops

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorSão Paulo Federal University-
Autor(es): dc.contributorUniversidade Federal de Sergipe (UFS)-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorFreitas, Bernardo T.-
Autor(es): dc.creatorSilva, Leonardo H. G.-
Autor(es): dc.creatorAlmeida, Renato P.-
Autor(es): dc.creatorGaleazzi, Cristiano P.-
Autor(es): dc.creatorFigueiredo, Heitor G.-
Autor(es): dc.creatorTamura, Larissa N.-
Autor(es): dc.creatorJanikian, Liliane-
Autor(es): dc.creatorFigueiredo, Felipe T.-
Autor(es): dc.creatorAssine, Mario L. [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:50:48Z-
Data de disponibilização: dc.date.available2022-02-22T00:50:48Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2020-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1111/sed.12855-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/207596-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/207596-
Descrição: dc.descriptionAlthough virtual outcrops or digital outcrop model applications in geological studies are becoming increasingly common, virtually no attention has been given to acquisition of palaeocurrent data from cross-strata. Palaeocurrent indicators are abundant in the sedimentary record, mainly as cross-strata, and present compelling implications for basin analysis, plate tectonics and palaeoenvironmental reconstructions, as well as for sediment transport systems. Palaeocurrents from cross-strata also comprise a quantifiable parameter in sedimentary successions that can be used in quantitative modelling of depositional architecture with implications for reservoir characterization through outcrop analogue studies. A common obstacle in obtaining large cross-strata orientation datasets is the limited access to steep and high outcrop faces, as well as financial and time restrictions on field work. To overcome these issues, the simplest workflow for drone-based acquisition, photogrammetric processing and analysis of virtual outcrops aiming at the attainment of palaeocurrent data from cross-strata is appraised here. The results show that orientations of cross-beds measured on virtual outcrops, with and without ground control points, and using two different levels of resolution downsampling, are comparable to field measurements using analogue and electronic devices. Time and financial resources can thus be saved by using the straightforward method presented here to supplement palaeocurrent mapping across wide areas and distinct stratigraphic intervals.-
Descrição: dc.descriptionGeology Lab School of Technology University of Campinas, Rua Paschoal Marmo, 1888, Jardim Nova Itália-
Descrição: dc.descriptionInstitute of Geosciences University of São Paulo, Rua do Lago, 562, Cidade Universitária-
Descrição: dc.descriptionInstitute of Marine Science São Paulo Federal University, Rua Carvalho de Mendonça, 144, Encruzilhada-
Descrição: dc.descriptionDepartamento de Geologia (DGEOL) / Programa de Pós-graduação em Geociências e Análise de Bacias Universidade Federal de Sergipe, Marechal Rondon Ave., Geology Bldg., Multi-user Complex, Rosa Elze-
Descrição: dc.descriptionDepartamento de Geologia Aplicada Instituto de Geociências e Ciências Exatas Universidade Estadual Paulista/UNESP, Avenida 24-A, Bela Vista, 178-
Descrição: dc.descriptionDepartamento de Geologia Aplicada Instituto de Geociências e Ciências Exatas Universidade Estadual Paulista/UNESP, Avenida 24-A, Bela Vista, 178-
Idioma: dc.languageen-
Relação: dc.relationSedimentology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subject3D photogrammetry-
Palavras-chave: dc.subjectcross-strata-
Palavras-chave: dc.subjectdigital outcrop model (DOM)-
Palavras-chave: dc.subjectRPA-
Palavras-chave: dc.subjectStructure from Motion-
Palavras-chave: dc.subjectUAV-
Título: dc.titleCross-strata palaeocurrent analysis using virtual outcrops-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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