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陕西省周至县望子沟金多金属矿勘查项目简介 一、项目名称: 陕西省周至县望子沟金多金属矿勘查 二、承办单位: 西安市园艺汉白玉雕刻工艺厂 叁、项目概况: 1.位置与范围:勘查区位于陕西省西安市周至县东南部,属周至县集贤镇九焰乡管辖,面积约18.54Km2。 2.成矿地质背景:勘查区位于北秦岭造山带南缘,横跨*的商丹板块结合带之金银多金属成矿带,属周户金多金属矿集区,西接磨子沟、马鞍桥、柳林沟、光头山等金矿床和众多金银(铅锌)矿点,东临金洞沟铜金、东流水铜矿床,北依金牛坪、东河金(银)矿床(点),成矿带东西长约65km。出露地层商丹断裂带以南为泥盆系,包括刘岭群陆源碎屑岩和罗汉寺岩群浅变质碎屑岩建造;北为下元古界秦岭岩群中深变质岩系和上元古界—奥陶系丹凤岩群变海相中基性火山--沉积建造。断裂主要为东西~~北西向的商丹韧性剪切带及其次级断裂,为区内主要金银、铅锌等多金属矿产的控矿和容矿构造。岩浆活动十分发育,以酸性岩为主,中基性次之。主要分布于测区的南北部,形成金井—东流水和八里坪构造岩浆岩带。3.矿带地质特征:经望子沟找矿靶区勘查,圈定出具规模的金、银、铅锌、钴异常12个;在望子沟矿区约10Km2范围,初步确定望子沟金矿、白崖沟银铅锌矿、光头山金矿等矿段,矿化主要赋存于泥盆系碎屑岩和糜棱岩带中。已发现的白崖沟铅锌银矿体长大于200m,宽0.8-2.5m,矿石品位:铅5—29.9%、锌1.06—51.9%,铅+锌平均19.89%,伴生金0.5×10-6--3.5×10-6、银88--355×10-6,*高1190×10-6,平均189×10-6。矿体地表以100—200m间距探槽工程进行了控制,浅部施工少量硐探,验证矿体连续好。已控制资源量:铅+锌5万吨、银4.5吨、金1吨。预计勘查区铅锌矿资源量可达小--中型、金银达中型规模、并可探求钴资源量。 4.勘查区外部条件:勘查区地处田峪河上游,距户(县)—菜(子坪)公路15 km,有简易林区公路相通,与西(安)-汉(中)和西(安)-宝(鸡)高速公路、陇海铁路、西康铁路相连。北距西安110km,交通方便,水力资源充裕。 四、勘查工作及经费:预计需投入:钻探4000m,硐探2000m,槽探8000m3以及地形地质测量、物化探测量、实验测试等工作。勘查区完成普查需投入120万美元。 五、勘查开发方式:引资合作勘查、联合开发、矿权入股、矿权转让均可。

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