河北省崇礼幅1∶50 000矿产地质图数据库
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中国地质调查局地质调查项目(DD20160052,DD20190570,DD20190159)


1∶50 000 Mineral Geological Map Database of the Chongli Map-sheet, Hebei Province, China
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    摘要:

    根据《固体矿产地质调查技术要求(1∶50 000)》(DD 2019-02)和行业其他规范要求,完成河北省崇礼幅1∶50 000专项地质填图379.93 km2、矿点检查11处,采集水系沉积物样品1622件、重力测量物理点1623个,测试锆石U-Pb年龄样3组、流体包裹体样80余件,系统编制了河北省崇礼幅1∶50 000矿产地质图,并建立了数据库。突出了对燕山期岩浆岩和相关脉岩、碱性杂岩体和谷嘴子岩组、矿化蚀变等相关成矿信息的表达,厘定了崇礼幅中太古代、新太古代的变质深成侵入体,划分了海西期、印支期、燕山期的岩浆岩建造类型,划分了张家口组火山岩的7个建造类型、谷嘴子岩组变质岩的3个建造类型,系统总结了该区金矿的成矿地质体、成矿构造及成矿结构面、成矿作用特征标志。该数据库为该区金矿的找矿工作提供了基础数据支撑,对金矿目标层地质信息和构造建造信息的提取提供了便利条件,对今后矿产勘查部署具有一定的参考价值。

    Abstract:

    According to Technical Requirement of Solid Mineral Geology Survey (1∶50 000) (DD 2019–02) as well as other industrial criteria and requirements, 379.93 km2 of 1∶50 000-scale geologic mapping of the Chongli Map-sheet, Hebei Province has been completed with 11 mineralized occurrences being verified, and 1622 stream sediment samples being collected; 1623 physical points of gravity survey were finished, three groups of zircon U–Pb dating samples and more than 80 pieces of fluid inclusion samples were tested, the 1∶50 000-scale geological map of Chongli Map-sheet, Hebei Province was compiled, and the correspondent database was established. Relevant mineralization information, including Yanshanian magmatic rocks and relevant dykes, alkaline complexes and Guzuizi Formation, mineralization and alteration, etc. were highlighted, Mesoarchean and Neoarchean metamorphogenic plutons within the Chongli Map-sheet area were delineated, and Hercynian, Indochina and Yanshanian magmatic rock formation types were divided; Zhangjiakou Formation volcanic rocks were divided into seven formation types, and Guzuizi Formation metamorphic rocks were divided into three formation types; the mineralized geologic bodies, mineralized structures and mineralized structural planes, mineralization characteristic indicators of gold deposits within the area were summarized systematically. This database provides basic data support for gold prospecting in the area, favors extracting geological and structure–formation information of target gold horizons and is of reference value to subsequent mineral exploration deployment.

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甄世民,庞振山,薛建玲,程志中,白海军,左群超,缪建普,贾儒雅,姚磊,陈辉,张志辉,陶文. 河北省崇礼幅1∶50 000矿产地质图数据库[J]. 中国地质, 2020, 47(S2): 57-69.
Shimin ZHEN, Zhenshan PANG, Jianling XUE, Zhizhong CHENG, Haijun BAI, Chaoqun ZUO, Jianpu MIAO, Ruya JIA, Lei YAO, Hui CHEN, Zhihui ZHANG, Wen TAO. 1∶50 000 Mineral Geological Map Database of the Chongli Map-sheet, Hebei Province, China[J]. Geology in China, 2020, 47(S2): 57-69(in Chinese with English abstract).

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  • 收稿日期:2020-05-25
  • 最后修改日期:2020-09-15
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  • 在线发布日期: 2021-01-06
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