“铬铁矿”造句

究竟平衡作用发生在铬铁矿和硅酸盐下沉之前,还是在其后?
Did equilibration take place before or after setting of chromite and silicates?

在穆斯科克斯杂岩体中,铬铁矿矿层仅产于长石质橄榄岩中.
The chromite deposits in the Muskox Complex occur only in feldspathic peridotite.

对于铬铁矿矿层产状的了解同样是不完整的.
Knowledge of the occurrence of chromite deposits is likewise incomplete.

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