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EXPANSION BASSINS ARRIERE-ARC [1 record]
Record 1 - internal organization data 2011-01-05
Record 1, English
Record 1, Subject field(s)
- Tectonics
Record 1, Main entry term, English
- back-arc spreading
1, record 1, English, back%2Darc%20spreading
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The process of creating new oceanic crust in the back-arc area behind a subduction trench. 2, record 1, English, - back%2Darc%20spreading
Record number: 1, Textual support number: 1 CONT
Because the new axis of spreading developed behind the subduction trench, the newly created oceanic crust is said to have resulted from back-arc spreading. It is noteworthy here that the newly formed oceanic crust was younger than most of the ocean-floor sediments that were being subducted nearby. 2, record 1, English, - back%2Darc%20spreading
Record number: 1, Textual support number: 2 CONT
The islands of Japan were separated from mainland Asia by back-arc spreading. 3, record 1, English, - back%2Darc%20spreading
Record number: 1, Textual support number: 1 OBS
back-arc spreading: term used at Natural Resources Canada - Earth Sciences Sector. 4, record 1, English, - back%2Darc%20spreading
Record 1, Key term(s)
- backarc spreading
- back arc spreading
Record 1, French
Record 1, Domaine(s)
- Tectonique
Record 1, Main entry term, French
- expansion arrière-arc
1, record 1, French, expansion%20arri%C3%A8re%2Darc
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- expansion des bassins d'arrière-arc 2, record 1, French, expansion%20des%20bassins%20d%27arri%C3%A8re%2Darc
correct, feminine noun
- expansion de bassin marginal interne 3, record 1, French, expansion%20de%20bassin%20marginal%20interne
correct, feminine noun
- déplacement de l'arrière-arc 4, record 1, French, d%C3%A9placement%20de%20l%27arri%C3%A8re%2Darc
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Si l'ensemble des zones de subduction répond bien à la loi, on observe une certaine dispersion pour les arcs des Nouvelles-Hébrides, des Mariannes et du Japon. L'erreur commise sur la vitesse de subduction qui ne tient pas compte de l'expansion arrière-arc dans le cas des Nouvelles-Hébrides et des Mariannes n'est peut-être pas étrangère à cette dispersion. 1, record 1, French, - expansion%20arri%C3%A8re%2Darc
Record number: 1, Textual support number: 2 CONT
Dans ces zones que l'on appelle centres d'expansion des bassins d'arrière-arc, le magma monte à proximité de la surface aux marges de convergence qui se forment lorsqu'une plaque tectonique se glisse sous une autre selon un phénomène appelé subduction. 2, record 1, French, - expansion%20arri%C3%A8re%2Darc
Record number: 1, Textual support number: 1 OBS
déplacement de l'arrière-arc : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 5, record 1, French, - expansion%20arri%C3%A8re%2Darc
Record 1, Key term(s)
- expansion de bassin d'arrière-arc
Record 1, Spanish
Record 1, Textual support, Spanish
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