在捱过的外壳矿石的稀土元素(RE ) 主要作为 ion-exchangeablephase 存在,约 80% 。376 的分区上的关联分析从捱过的外壳矿石取样 inion 可交换的阶段被进行。结果与高分区在重 RE 元素和轻 RE 元素之中两个都显示出那个分区显得积极在重 RE 元素和光之间的关联,而是分区和 RE 元素显得靠近否定关联显然。清楚的否定关联在轻 RE 元素之间存在(除了 Ce ) 并且钇(Y) 。这个分区上的关联分析的矩阵能被划分成三个地区。相关系数变化从对否定在地区 B 和 C 积极发生在 Gd,那么做在地区 B 和 A (除了 Ce, Eu,和 Sm ) ,建议 RE 元素能被划分成二与是的 Gd 组织边阶。这现象被称为打破金轧的效果。
The rare earth(RE) in weathered crust ores mainly exists as ion-exchangeable phase, approximately 80%. The correlation analysis on partition of 376 samples in ion-exchangeable phase from weathered crust ores was conducted. The results show that partition both among heavy RE elements and light RE elements with high partition appears positive correlation, but partition sums between the heavy RE elements and the light RE elements appear close negative correlation obviously. Clear negative correlations exist between the light RE elements (except Ce) and yttrium(Y). Matrix of correlation analysis on this partition can be divided into three zones. The correlated coefficient variation from negative to positive in zones B and C occurs at Gd, so does that in zones B and A (except Ce, Eu, and Sm), suggesting that RE elements can be divided into two groups with Gd as border. This phenomenon is called Gadolinium-broken effect.