Distribution of rare-earth elements in rocks of granitoid and gabbro-granitoid series in the Southern Urals urals

被引：0
|
作者：
Samarkin, GI
Samarkina, EY
机构：
来源：
GEOKHIMIYA | 1997年 / 09期
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中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Granitoids of different age in the Southern Urals are classified into crustal, mantle, and mantle-crustal varieties based on the distribution of REE (La, Ce, Sm, Eu, Tb, and Yb). Two leading trends (one steeply and the other gently sloping) of REE fractionation in the granitoid series are recognized in their La-N/Yb-N-Ce plots. The trends reflect the composition and crystallization conditions of the granitic rocks.
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页码：912 / 922
页数：11
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