tetrad effect meaning in English
四素组效应
Examples
- Strong negative 8 eu shows the granites are high evolved granite . ( 6 ) the tetrad effect of ree and the obvious fractionation between k - rb , y - ho , zr - hf , nb - ta , and sr - eu in the dajishan granites indicate that , the aqueous fluid pays an important role in the evolution of the granites , as well as indicate that there exist enough interaction between peraluminous melt and aqueous magmatic fluid . furthermore the fluorine played a very important role in this process
( 6 )大吉山花岗岩类稀士元素具有“四重效应”配分的特点以及微量元素对kjrb 、 y / ho 、 zr舰f以及nb / ta发生明显分异，暗示在花岗岩岩浆的演化过程中，经历了充分的流体一熔体作用，同时分异出大量富含f 、 w等矿化剂元素和成矿元素的热液流体，致使钨矿的形成。