单词 | mantle material |
释义 | > as lemmasmantle material mantle material n. Geology rock or magma originating from the earth's mantle, or the mantle of another planetary body. ΚΠ 1962 Jrnl. Geophysical Res. 67 860/1 (note) Peridotite is an unsatisfactory name for the hypothetical primitive mantle material. 1984 A. C. Duxbury & A. Duxbury Introd. World's Oceans iii. 90 A plume of mantle material forces its way through the crust. 1990 P. Kearey & F. J. Vine Global Tectonics vi. 110 The distinctive nature of these rocks arises from their formation by metasomatic processes in which the volatile content of a large volume of mantle material is focused and concentrated. < as lemmas |
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