The pegmatite Nb-Ta mineral veins were controlled by a group of horizontal tenso-shear axial-direction fault-fissure systems in the NNE direction folding structures.
The pegmatite Nb-Ta mineral veins were controlled by a group of horizontal tenso-shear axial-direction fault-fissure systems in the NNE direction folding structures.
铌钽伟晶岩矿脉受控于NNE向褶皱构造的一组近水平张扭性轴向裂隙系。