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OCEANIC SPREADING CENTER [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 center
1, record 1, English, oceanic%20spreading%20center
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- oceanic spreading centre 2, record 1, English, oceanic%20spreading%20centre
correct, see observation, Great Britain
- mid-ocean spreading center 3, record 1, English, mid%2Docean%20spreading%20center
correct
- mid-ocean spreading centre 4, record 1, English, mid%2Docean%20spreading%20centre
correct, Great Britain
- mid-oceanic spreading centre 5, record 1, English, mid%2Doceanic%20spreading%20centre
correct, Great Britain
- seafloor spreading center 6, record 1, English, seafloor%20spreading%20center
correct
- seafloor spreading centre 7, record 1, English, seafloor%20spreading%20centre
correct, Great Britain
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
In 1963, F. Vine and D.H. Matthews reasoned that, as basaltic magma rises to form new ocean floor at a mid-ocean spreading center, it records the polarity of the magnetic field existing at the time magma crystallized. As spreading pulls the new oceanic crust apart, stripes of approximately the same size should be carried away from the ridge on each side ... Basaltic magma forming at mid-ocean ridges serves as a kind of "tape recorder", recording the Earth's magnetic field as it reverses through time. If this idea is correct, alternating stripes of normal and reversed polarity should be arranged symmetrically about mid-ocean spreading centers. 8, record 1, English, - oceanic%20spreading%20center
Record number: 1, Textual support number: 2 CONT
Buoyant flow beneath oceanic spreading centres can be driven by density gradients due to thermal expansion and compositional gradients arising from the extraction of melt. 9, record 1, English, - oceanic%20spreading%20center
Record number: 1, Textual support number: 1 OBS
oceanic spreading centre: term used at Natural Resources Canada - Earth Sciences Sector. 10, record 1, English, - oceanic%20spreading%20center
Record 1, Key term(s)
- mid-oceanic spreading center
Record 1, French
Record 1, Domaine(s)
- Tectonique
- Océanographie
Record 1, Main entry term, French
- centre d'expansion des fonds océaniques
1, record 1, French, centre%20d%27expansion%20des%20fonds%20oc%C3%A9aniques
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- centre de renouvellement des fonds océaniques 2, record 1, French, centre%20de%20renouvellement%20des%20fonds%20oc%C3%A9aniques
see observation, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Minéralisation de sulfures hydrothermaux des centres d'expansion des fonds océaniques. 3, record 1, French, - centre%20d%27expansion%20des%20fonds%20oc%C3%A9aniques
Record number: 1, Textual support number: 1 OBS
centre de renouvellement des fonds océaniques : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 4, record 1, French, - centre%20d%27expansion%20des%20fonds%20oc%C3%A9aniques
Record number: 1, Textual support number: 1 PHR
Centre d'expansion des fonds océaniques actif. 5, record 1, French, - centre%20d%27expansion%20des%20fonds%20oc%C3%A9aniques
Record 1, Spanish
Record 1, Textual support, Spanish
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