甘肃省张家川县恭门镇毛磨峡建筑用石料矿地质特征

Geological Characteristics of Building Stones in Maomoxia Building, Gongmen Town, Zhangjiachuan County, Gansu Province

矿区位于张家川县的毛磨村,行政区划隶属张家川县恭门镇管辖。勘查区内黑云二长片麻岩属区域变质岩主要为长英质岩石经角闪岩相区域变质作用而成,矿区水文工程地质条件简单。矿体由6条剖面控制,矿体呈层状产出,岩性较单一,矿体规模较大,内部构造简单,厚度较为稳定。矿石品质较好,达到工业Ⅱ级品以上,为较好的建筑材料。

The mining area is located inMaomo Village,Zhangjiachuan County,and the administrative division is under the jurisdiction of Gongmen Town,Zhangjiachuan County.The metamorphic rocks of the Heiyun Erchang gneiss in the exploration area are mainly composed of metamorphic rocks with amphibolite facies metamorphism,and the hydrogeological geological conditions of the mining area are simple.The ore body is controlled by six sections.The ore body is produced in layers,the lithology is relatively simple,the ore body is large in scale,the internal structure is simple,and the thickness is relatively stable.The ore quality is good,reaching the industrial grade II or above,which is a good building material.