n n ilmenite баяжуулах үйлдвэрийн өртөг n. Ilmenite Wikipedia.Ilmenite is a common accessory mineral found in metamorphic and igneous rocks.It is found in large concentrations in layered intrusions where it forms as part of a cumulate layer within the silicate stratigraphy of the intrusion.Уулын баяжуулах "Эрдэнэт" үйлдвэрийн ...
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