Sea floor spreading
Sea floor spreading is a geological process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and gradually moves away from the ridge. It is a fundamental concept in plate tectonics, first proposed by Harry Hess in the 1960s. This process explains the continuous renewal of the ocean floor and the symmetrical pattern of magnetic anomalies _____ ______ ______ ________ _______ ________.
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