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老母猪石山钽铌矿区位于大别山北麓,秦岭-大别造山带核部,秦岭褶皱系东秦岭褶皱带的东延部位。区内钽铌矿赋存于大红口岩组下段钾长浅粒岩中,钽铌矿含钽铌矿物为铌铁矿、铌铁金红石和富钛赤铁矿。钽铌矿石具有含钽铌矿物粒度细、高度分散的特点。老母猪石山钽铌矿床为一变质成因矿床,本文侧重研究分析矿床地质特征及成矿控矿因素,这对豫南地区寻找该类型钽铌矿等稀有金属矿床具有一定的指导意义。
Old sow stone Hill tantalum niobium mining area is located in the northern foot of the Dabie Mountains, Qinling - Dabie orogenic belt, Qinling fold belt Eastern Qinling fold belt eastward extension. The tantalum-niobium ore occurs in the lower part of the Dahongkoukou Formation and the tantalum-niobium ore contains tantalum-niobium minerals as niobite, niobium-iron rutile, and titanium-rich hematite. Tantalum and niobium ore with tantalum and niobium minerals with fine grain size, highly dispersed characteristics. The Laoshoushan Ta - Nb - Ni deposit is a metamorphic deposit. This paper focuses on the study of the geological characteristics of the deposit and its ore - forming and ore - controlling factors, which is of guiding significance for the search of this type of rare - metal deposits such as tantalum - niobium ore in the south of Henan Province.