此外，粘土矿物中硼和钾的含量远高于非盐系地层，因为这些元素在盐盆地中均得到了蒸发浓集。

In addition, the clay minerals contain much more Boron and Potash than in non-evaporite beds, because these elements had ever concentrated in the evaporative basin.

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含有铁、钯、铂和稀土元素的化合物呈现强顺磁性，因为这些元素的原子有不完全的内电子壳层。

Compounds containing iron, palladium, platinum, and the rare-earth elements exhibit strong paramagnetism because they have atoms with some incomplete inner electron shells.

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这些矿物可以用放射性衰变技术测定年代，因为它们所含的放射性微量元素非常少。

These minerals can be dated by radioactive decay techniques because of the very small quantities of radioactive trace elements they, in turn, contain.

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