CAJ | 학술논문

陕西镇坪地区唐家垭子钼钒多金属矿床是近年来新发现的钼钒矿床,含矿地层及矿化带延伸情况显示其具有达到大型规模的潜力。矿体产于寒武系下统鲁家坪组黑色岩系,与地层展布方向一致,受黑色岩系控制；矿石类型有含炭板岩型、粉砂质板岩型及含炭硅质岩型3种；矿石含钼矿物主要有铁钼华、钼华、胶硫钼矿等,钒主要存在于钒云母中,其次为高岭土、电气石等；矿石化学成分以Mo、V2 O5为主,主成矿元素为Mo、V,伴生金属元素有Ag等。矿床地球化学综合分析认为,寒武系下统鲁家坪组为(较封闭的)浅海盆地相；含矿地层鲁家坪组的 Mo、Cu、Ni、Pb 含量分析表明,沉积的深度可能大于250 m；w(Ni)/w(Ti)、w(Cu)/w(Ti)值表明,沉积的离岸距离为100~300 km；w(V)/w(Ni)、w(V)/(w(V)＋w(Ni))值反映成矿期处于缺氧—强缺氧的还原沉积环境；矿床地质地球化学分析表明,该矿床为明显的深海冷水沉积型矿床。
협서진평지구당가오자목범다금속광상시근년래신발현적목범광상,함광지층급광화대연신정황현시기구유체도대형규모적잠력。광체산우한무계하통로가평조흑색암계,여지층전포방향일치,수흑색암계공제；광석류형유함탄판암형、분사질판암형급함탄규질암형3충；광석함목광물주요유철목화、목화、효류목광등,범주요존재우범운모중,기차위고령토、전기석등；광석화학성분이Mo、V2 O5위주,주성광원소위Mo、V,반생금속원소유Ag등。광상지구화학종합분석인위,한무계하통로가평조위(교봉폐적)천해분지상；함광지층로가평조적 Mo、Cu、Ni、Pb 함량분석표명,침적적심도가능대우250 m；w(Ni)/w(Ti)、w(Cu)/w(Ti)치표명,침적적리안거리위100~300 km；w(V)/w(Ni)、w(V)/(w(V)＋w(Ni))치반영성광기처우결양—강결양적환원침적배경；광상지질지구화학분석표명,해광상위명현적심해랭수침적형광상。
Tangjiayazi Mo-V polymetallic deposit in Zhenping area of Shaanxi is a newfound Mo-V deposit in recent years,and potentially reaches a large scale according to the extension of orebearing strata and mineralized belt.Orebody occurs in the black rock series of Lower Cambrain Lujiaping Formation,and the extension is consistent with stratum,and is controlled by the black rock series;ore types include carbonaceous slate rock,silty slate rock and carbonaceous siliceous rock;Mo-bearing minerals include ferrimolybdite,molybdine,jordisite,etc.,and V-bearing minerals include roscoelite primarily,and secondarily kaolin and tourmaline,etc.;the chemical components of ore are mainly Mo and V2 O5 ,the main ore-forming elements are mainly Mo and V,and the associated metal elements are Ag,etc.Comprehensive analysis for geochemistry of mineral deposit indicates Lower Cambrain Lujiaping Formation is closed shallow-sea basin facies; the contents of Mo,Cu,Ni and Pb elements in Lujiaping Formation of ore-bearing strata show that sediment depth may be greater than 250 m;the values of w (Ni)/w (Ti)and w (Cu)/w (Ti) show that sediment offshore distance is 100-300 km;the values of w (V)/w (Ni)and w (V)/(w (V)+w (Ni)) show that the sedimentary environment is reduction-strong reduction in metallogenic period;the geological and geochemical analysis of deposit indicates that Tangjiayazi Mo-V polymetallic deposit is significantly deep-sea cold-water sedimentary.