One of the mysteries of the English language finally explained.
The formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side.
- ‘After much thought, he proposed in 1960 that the movement of the continents was a result of sea-floor spreading.’
- ‘The main figure demonstrates how sea-floor anomalies, also known as magnetic stripes, develop during sea-floor spreading.’
- ‘Reversals of the Earth's magnetic field, allied to sea-floor spreading, have left their imprint in the form of a magnetic tape recorder on the sea-floor.’
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