新疆哈密卡拉塔格铜(锌)矿红石幅1∶50000矿产地质图数据库

Database of 1∶50 000 Mineral Geological Map of the Hongshi Map-sheet in Kalatage Copper(-Zinc)Deposit, Hami, Xinjiang

新疆哈密卡拉塔格铜(锌)矿红石幅(K46E009008)1∶50 000矿产地质图数据库是根据《固体矿产地质调查技术要求(1∶50 000)》(DD2019–02)和行业其他标准及要求,在充分利用1∶200 000、1∶50 000等区域地质调查工作成果资料的基础上,采用数字填图系统进行野外地质专项填图,并应用室内与室外填编图相结合的方法完成。本数据库将中–上奥陶统荒草坡群大柳沟组、下志留统红柳峡组和卡拉塔格组的建造类型进行了重新划分,把图幅内侵入岩时代划分为志留纪、泥盆纪、二叠纪等3期,建立了岩浆岩演化序列。图幅区内有大中小型矿床和矿点共8个,成矿时代集中分布在志留纪、石炭纪,赋矿围岩为火山碎屑岩和次火山岩,该区优势矿产以铜锌金为主,矿床类型以VMS型和次火山热液脉型矿床为主,分布在图幅东南一带。除金属矿产外,尚有膨润土矿床产出,具有较好的找矿潜力。本数据库包含5个地层单位和3期岩浆岩资料,数据量约为15.1 MB。这些数据充分反映了该图幅1∶50 000矿产地质调查示范性成果,对该区矿产资源研究和勘查等具有参考意义。

The database of 1∶50 000 mineral geological map of Hongshi Map-sheet(K46 E009008) in Kalatage Copper(-Zinc) Deposit, Hami, Xinjiang(also referred to as the Database) was developed through field geology-specific mapping using the digital mapping system in accordance with the Technical Requirements of Solid Mineral Geological Survey(1∶50 000)(DD2019-02) and other standards and requirements in the geological industry.Meanwhile, the results of previous 1∶200 000 and 1∶50 000 regional geological surveys were fully utilized, and indoor and outdoor mapping/compilation was also carried out during database building. In this database, the suites of the Daliugou Formation of Middle-Upper Ordovician Huangcaopo Group as well as Lower Silurian Hongliuxia and Kalatage formations were reclassified. Moreover, the formation time of intrusive rocks in the map-sheet area was determined as Silurian, Devonian, and Permian, and the evolutionary sequence of magmatic rocks was established. There are eight large, medium and small mineral deposits and ore occurrences in the map-sheet area, the metallogenic epoch of which is concentrated in the Silurian and Carboniferous. The ore-hosted wall rocks are pyroclastic and subvolcanic rocks.The dominant mineral resources in this area are copper, zinc and gold, and their deposit types are mainly VMS type and subvolcanic hydrothermal vein type, which are distributed in the southeastern zone of the map-sheet area. In addition to metallic minerals, there are bentonite deposits with good prospecting potential. With a data size of about 15.1 MB, this databasecontains the data of five stratigraphic units and three stages of magmatic rocks. These data fully reflect the demonstration results of 1∶50 000 mineral geological survey of this mapsheet and provide references for the research and exploration of mineral resources in the survey area.