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村心铌钽矿床大尾坑区段为小型伟晶岩型铌钽矿,地表共圈定13条矿脉,其中1、4、8这3条矿体规模较大,矿体主要分布在区段中部、南部、西部,呈层状、似层状、不规则脉状。矿体空间位置受断裂、褶皱控制明显,与区域上的广宁岩体具有明显的成因联系。
The large tailhole section of the village center niobium-tantalum deposit is a small pegmatite-type niobium-tantalum mine, and a total of 13 veins are delineated on the surface. Among them, 1, 4 and 8 are large-scale ore bodies and the ore bodies are mainly distributed in the middle of the section Southern, western, layered, laminar, irregular veins. The spatial location of the ore body is ruptured and the fold control is obvious, which has a clear genetic relationship with the Quangninitic rock mass in the area.