Sentences with phrase «igneous ocean crust»
For a start, it would mean the igneous ocean crust is far more variable in thickness and in structure than previously recognised.
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Most of the ocean's salts were derived from gradual processes such the breaking up of the cooled igneous rocks of the Earth's crust by weathering and erosion, the wearing down of mountains, and the dissolving action of rains and streams which transported their mineral washings to the sea.