seafloor spreading
See also: sea-floor spreading
English
Alternative forms
Noun
seafloor spreading (usually uncountable, plural seafloor spreadings)
- (geology) The outward movement of the seafloor from central underwater ridges as a result of plate tectonics; the major cause of continental drift.
- 2004, Richard Fortey, The Earth, Folio Society 2011, p. 143:
- However, the recognition of sea-floor spreading made sense of continental splitting without having to invoke earth expansion.
- 2004, Richard Fortey, The Earth, Folio Society 2011, p. 143:
Translations
outward movement of the seafloor
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