Did equilibration take place before or after setting of chromite and silicates?

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？

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Did equilibration take place before or after setting of chromite and silicates?

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？

youdao