mantle metasomatism 中文意思是什麼
mantle metasomatism
解釋
地幔交代作用- mantle : n 1 披風，罩衣。2 一層（被覆）幕，蓋罩。3 （煤氣燈）紗罩;【解剖學】外表；【動物；動物學】套膜；（...
- metasomatism : n. 【地質學；地理學】交代（作用）；交代變質（作用）。adj. -matic
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The formation of the enriched mantle ( em1 ) is attributed to the strong metasomatism - taking place between subducted yangtze lower crust and nc ( north of china ) ancient lithosphere
2 、火山巖、堿性超基性脈巖和基性脈巖（除少數外）都形成於大陸板內拉張環境。 -
The trace element compositions and sr - nd isotopes suggest that the upper mantle beneath the studied area were subjected to multiple episodes of metasomatism, probably by small melt fractions derived from the asthenospheric mantle
微量元素和sr - nd同位素特徵表明該區上地幔經歷了多期地幔交代作用，交代介質可能是源自軟流圈的小體積熔體。 -
There are distributed a great number of cenozoic basalts and mantle derived xenoliths in north china and south china. for understanding the materials constitutes, evolution, mantle metasomatism, and inhomogeneity of the lower crust and upper mantle, there is a must of doing some research on these host basalts and the xenoliths
華北、華南地區發育大量新生代玄武巖及幔源包體，對其進行研究，有利於進一步深入了解下地殼和上地幔的物質組成、演化、地幔交代和不均一性以及地球物理反演結果的可靠性等。
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