Age of oceanic crust; youngest (red) is along spreading centers.
以上来源于:Wikipedia
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权威例句
Sea-floor spreading Sea-Floor Spreading Sea-floor spreading Seafloor spreading 1.1 The global mid-ocean ridge system Sea‐floor spreading and continental drift Sea‐floor spreading as thermal convection Correction to paper by Xavier Le Pichon ‘Sea-floor spreading and continental drift’ A revised identification of the oldest sea-floor spreading anomalies between Australia and Antarctica Sea-floor spreading in the Labrador Sea: A new reconstruction Chemosynthetic Primary Production at East Pacific Sea Floor Spreading Centers A Sea-Floor Spreading Event Captured by Seismometers Permo-Triassic Extinctions: Relation to Sea-Floor Spreading