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Provedor de dados:  ArchiMer
País:  France
Título:  Transform continental margins – Part 2: A worldwide review
Autores:  Mercier De Lepinay, Marion
Loncke, Lies
Basile, Christophe
Roest, Walter
Patriat, Martin
Maillard, Agnes
De Clarens, Philippe
Data:  2016-12
Ano:  2016
Palavras-chave:  Transform margin
Continental margin physiography
Marginal ridge
Marginal plateau
Resumo:  We present a global inventory of transform continental margins, based on both a worldwide comparison of continent-ocean boundary identifications with oceanic fracture zones traces, and a compilation of published regional studies. This inventory increases the number of identified transform margins from 29 to 78. These margins represent 16% of continental margins in cumulative length and 31% of non-convergent margins. We include morphological data, published upper crustal sections, continent to ocean transition locations and published Moho shape data in the new database. This review confirms that continent to ocean transitions are sharper at transform margins than at divergent margins. It also emphasizes the structural diversity of transform margins. Associated with one third of transform margins, we define marginal plateaus as a new type of relief that corresponds to a flat but deep surface inside the continental slope, and that may be inherited from crustal thinning prior to transform faulting. Transform margin initiation appears to be favoured along propagating oceans and within cold and thick lithospheres.
Tipo:  Text
Idioma:  Inglês

Editor:  Elsevier Science Bv
Formato:  application/pdf
Fonte:  Tectonophysics (0040-1951) (Elsevier Science Bv), 2016-12 , Vol. 693 , N. Part.A , P. 96-115
Direitos:  2016 Elsevier B.V. All rights reserved.


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