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OCEANIC SPREADING ANOMALY [1 record]
Record 1 - internal organization data 2006-11-15
Record 1, English
Record 1, Subject field(s)
- Tectonics
- Oceanography
Record 1, Main entry term, English
- oceanic spreading anomaly
1, record 1, English, oceanic%20spreading%20anomaly
correct, see observation
Record 1, Abbreviations, English
Record 1, Synonyms, English
- ocean spreading anomaly 2, record 1, English, ocean%20spreading%20anomaly
correct
- seafloor spreading anomaly 3, record 1, English, seafloor%20spreading%20anomaly
correct, see observation
- sea-floor spreading anomaly 4, record 1, English, sea%2Dfloor%20spreading%20anomaly
correct
- sea floor spreading anomaly 5, record 1, English, sea%20floor%20spreading%20anomaly
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
Volcanic margins occur where very voluminous magmatism accompanies rifting and ocean seafloor spreading occurs right after continental breakup. ... The only regional geophysical data set available in those areas is aeromagnetic mapping that does not clearly show a well defined pattern of linear seafloor-spreading magnetic anomalies as that observed in pristine ocean lithosphere of large ocean basins like the Atlantic. 6, record 1, English, - oceanic%20spreading%20anomaly
Record number: 1, Textual support number: 2 OBS
oceanic spreading anomaly; seafloor spreading anomaly: terms used at Natural Resources Canada - Earth Sciences Sector. 7, record 1, English, - oceanic%20spreading%20anomaly
Record 1, French
Record 1, Domaine(s)
- Tectonique
- Océanographie
Record 1, Main entry term, French
- anomalie de l'expansion des fonds océaniques
1, record 1, French, anomalie%20de%20l%27expansion%20des%20fonds%20oc%C3%A9aniques
correct, see observation, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
En 1961, Robert Dietz [...] introduisit l'expression «sea floor spreading» (expansion des fonds océaniques). En 1963, Lawrence Morley, Fred Vine et Drumond Matthews confirmèrent les idées de Hess et de Dietz en interprétant les anomalies magnétiques découvertes sur le plancher océanique comme des marqueurs de l'expansion. Ces anomalies formaient des bandes alternativement positives et négatives, disposées parallèlement et symétriquement par rapport aux dorsales. 2, record 1, French, - anomalie%20de%20l%27expansion%20des%20fonds%20oc%C3%A9aniques
Record number: 1, Textual support number: 2 OBS
En mer, les anomalies magnétiques marines qui sont parallèles aux dorsales ont permis de démontrer que l'expansion des fonds océaniques, c'est-à-dire que le plancher océanique se forme aux dorsales et s'en éloigne en se refroidissant. Sur les continents, les anomalies magnétiques permettent de mettre en évidence des grandes structures dans la croûte continentale. 3, record 1, French, - anomalie%20de%20l%27expansion%20des%20fonds%20oc%C3%A9aniques
Record number: 1, Textual support number: 3 OBS
anomalie de l'expansion des fonds océaniques : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 4, record 1, French, - anomalie%20de%20l%27expansion%20des%20fonds%20oc%C3%A9aniques
Record 1, Spanish
Record 1, Textual support, Spanish
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