1∶50 000 Regional Geological Map Database of the Qinghegou Map-sheet, Inner Mongolia
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摘要:
内蒙古1∶50 000清河沟幅(K47E010009)区域地质图是全国区域地质调查优秀图幅(2018)。该图幅在充分利用前人区域地质调查成果资料的基础上，采用遥感、物化探、路线地质调查、实测剖面和大比例尺填图等多种手段相结合的方法，对区内百合山蛇绿混杂岩带、沉积地层、岩浆岩以及构造变形特征等进行了详细的调查。查明了百合山蛇绿混杂岩带的空间展布、物质组成以及变质变形特征，并明确其为石炭纪俯冲带型(Supra-Subduction Zone, SSZ型)蛇绿岩；对区内岩浆岩进行了详细解体，划分出晚志留世—泥盆纪、石炭纪—早二叠世、中二叠世3期岩浆事件，建立了构造–岩浆演化序列；将区内地层以百合山蛇绿混杂岩带为界划分为2个不同的地层分区，明确了岩石组合和沉积环境差异，建立了地层综合柱状图。图幅数据库包含67件样品的地球化学分析数据和17件锆石U–Pb测年数据。本数据库是清河沟幅区域地质调查的综合性成果，由主图和图饰图廓构成，涵盖了区内沉积岩、岩浆岩、蛇绿混杂岩等多种地质体的属性特征，充分反映了该地区造山带结构和地质演化过程，可为北山地区的地质找矿和造山带精细研究工作提供基础数据支撑。
Abstract:The 1∶50 000 regional geological map (K47E010009) of the Qinghegou Map-Sheet in Inner Mongolia, as an excellent national regional geological survey map (2018), was compiled by making full use of previous regional geological survey results. Through remote sensing, geophysical and geochemical exploration, geological survey, surveyed geological cross section, large-scale mapping and other means, an in-depth investigation was conducted on the ophiolitic mélange belt, sedimentary strata, igneous rock and tectonic deformation characteristics in the region. The spatial distribution, material composition and metamorphic deformation characteristics of the ophiolitic mélange belt were identified and classified as a Carboniferous Supra-Subduction Zone (SSZ) ophiolite. A detailed analysis of igneous rocks in the area has led to the classification of three magmatic events, namely, in the Late Silurian-Devonian, Carboniferous-Early Permian and Middle Permian, and the establishment of a tectonic-magmatic evolution sequence. The strata in the area have a comprehensive stratigraphic column established and are divided into two stratigraphic subregions separated by the Baiheshan ophiolitic mélange belt with distinct differences in rock combination and sedimentary environment. The map database contains geochemical analysis data of 67 samples and zircon U–Pb dating data of 17 samples. It represents the comprehensive results of the regional geological survey of the Qinghegou Map-Sheet, which is composed of the main maps, along with the map appearance and map border, covering the attributes of sedimentary and igneous rocks, ophiolitic mélanges and other geobodies in the area. It fully reflects the structure of the orogenic belt and the geological evolution process in the area, providing basic data support for geological prospecting and in-depth investigations on orogenic belts in the Beishan area.
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图 1 北山造山带大地构造位置简图(据Xiao WJ et al., 2010修编)
表 1 数据库(集)元数据简表
条目 描述 数据库(集)名称 内蒙古1∶50 000清河沟幅区域地质图数据库 数据库(集)作者 牛文超，中国地质调查局天津地质调查中心
段连峰，中国地质调查局天津地质调查中心
赵泽霖，中国地质调查局天津地质调查中心
张国震，中国地质调查局天津地质调查中心
辛后田，中国地质调查局天津地质调查中心
任邦方，中国地质调查局天津地质调查中心数据时间范围 2017—2018年 地理区域 经纬度：东经98°00′～98°15′，北纬42°10′～42°30′ 数据格式 MapGIS (*.wp, *.wl, *.wt), *.msi 数据量 10.2 MB 数据服务系统网址 http://dcc.cgs.gov.cn 基金项目 中国地质调查局地质调查项目“阴山成矿带小狐狸山和雅布赖地区地质矿产调查”(编号：DD20160039；DD20160039-17)资助 语种 中文 数据库(集)组成 1∶50 000清河沟幅区域地质图数据库包括地质图库和图饰图廓。地质图库包括地质面实体(沉积岩、侵入岩、变质岩、蛇绿混杂岩等)、地质界线、断裂、产状、矿化(点)、垂向剖面、岩性花纹、各类代号等。图饰图廓包括地层综合柱状图、侵入岩演化序列表、蛇绿混杂岩带构造–岩石单位、百合山蛇绿构造混杂岩大比例尺图、大地构造位置图、大地构造演化模式图、图切剖面、图例和责任签栏等 
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表 2 内蒙古1∶50 000清河沟幅区域地质图沉积岩建造图层属性
序号 数据项名称 标准编码 数据类型 实例 1 建造实体标识号 Feature_Id 字符串 AK47E010009000003945 2 建造大类 Formation 字符串 沉积岩建造 3 建造类型 Metallogenic 字符串 复理石建造 4 建造实体类型代码 Feature_Type 字符串 C1l1 5 建造实体名称 Geobody_Name 字符串 下石炭统绿条山组上段 6 岩石组合 Combination 字符串 中细粒变质长石石英砂岩、砾岩夹薄层变质粉砂岩等 7 地层时代 Geobody_Era 字符串 C1 8 沉积环境 Sedimentary_Env 字符串 深海—半深海浊流沉积
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表 3 内蒙古1∶50 000清河沟幅区域地质图侵入岩建造图层属
序号 数据项名称 标准编码 数据类型 实例 1 要素标识号 Feature_Id 字符串 AG50E010008000000001 2 要素分类 Feature_Type 字符串 xηγP2 3 填图单位名称 Intru_Body_Name 字符串 中二叠世细粒二长花岗岩 4 填图单位符号 Intru_Body_Code 字符串 xηγP2 5 岩石名称 Rock_Name 字符串 细粒二长花岗岩 6 岩石颜色 Rock_Color 字符串 肉红色 7 岩石结构 Rock_Texture 字符串 细粒结构 8 岩石构造 Rock_Structure 字符串 块状构造 9 主要矿物及含量 Primary_Mineral 字符串 石英20%～25%、斜长石25%、钾长石45%～50% 10 次要矿物及含量 Secondary_Mineral 字符串 黑云母5% 11 与围岩接触关系 Contact_Relation 字符串 侵入接触 12 形成时代 Era 字符串 中二叠世
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表 4 内蒙古1∶50 000清河沟幅区域地质图断裂构造图层属性
序号 数据项名称 标准编码 数据类型 实例 1 要素分类代码 Feature_Type 字符串 F11 2 断层类型 Fault_Type 字符串 611 3 断层名称 Fault_Name 字符串 百合山南侧走滑断层F11 4 断层编号 Fault_Code 字符串 K47E010009F11 5 断层性质 Fault_Character 字符串 走滑断层 6 断层上盘地质体代号 Fault_Up_Body 字符串 C1-2b1, C1-2b2 7 断层下盘地质体代号 Fault_Bottom_Body 字符串 C1-2b1, C1-2b2 8 断层破碎带宽度 Fault_Wide 字符串 50 m 9 断层走向 Fault_Strike 整数型 65 10 断层倾向 Fault_Dip 整数型 155 11 断层面倾角 Fault_Dip_Angle 整数型 43 12 估计断距 Fault_Distance 浮点型 2~5 km 13 断层形成时代 Era 字符串 K1之后 14 活动期次 Movement_Period 字符串 喜山期
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表 5 内蒙古1∶50 000清河沟幅区域地质图地质界线图层属性
序号 数据项名称 标准编码 数据类型 实例 1 要素标识号 Feature_Id 字符串 AK47E010009000002322 2 地质界线类型 Boundary_Name 字符串 岩相界线 3 地质界线(接触)代码 Feature_Type 整数型 23 4 界线左侧地质体代号 Left_Boundary_Code 字符串 O1x2 5 界线右侧地质体代号 Right_Boundary_Code 字符串 O1x2 6 界面走向 Strike 整数型 302 7 界面倾向 Dip_Direction 整数型 32 8 界面倾角 Dip_Angle 整数型 53
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表 6 内蒙古1∶50 000清河沟幅区域地质图产状要素属性
序号 数据项名称 标准编码 数据类型 实例 1 要素标识号 Feature_Id 字符串 AK47E010009000000436 2 产状类型名称代码 Attitude_Code 整数型 02 3 产状类型名称 Attitude_Name 字符串 片理产状 4 走向 Strike 整数型 130° 5 倾向 Dip_Direction 整数型 220° 6 倾角 Dip_Angle 整数型 56°
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Table 1. Metadata Table of Database (Dataset)
Items Description Database (dataset) name 1∶50 000 Regional Geological Map Database of the Qinghegou Map-Sheet, Inner Mongolia Database (dataset) authors Niu Wenchao, Tianjin Center, China Geological Survey
Duan Lianfeng, Tianjin Center, China Geological Survey
Zhao Zelin, Tianjin Center, China Geological Survey
Zhang Guozhen, Tianjin Center, China Geological Survey
Xin Houtian, Tianjin Center, China Geological Survey
Ren Bangfang, Tianjin Center, China Geological SurveyData acquisition time 2017 – 2018 Geographic area 98°00'–98°15' E, 42°10'–42°30' N Data format MapGIS (*.wp, *.wl, *.wt), *.msi Data size 10.2 MB Data service system URL http://dcc.cgs.gov.cn Fund project China Geological Survey Project “Geological and Mineral Survey of the Xiaohulishan and Yabulai Areas in the Yinshan Metallogenic Belt” (No.: DD20160039; DD20160039–17) Language Chinese Database (dataset) composition The 1∶50 000 Regional Geological Map Database of the Qinghegou Map-Sheet includes geological map database, map appearance and map border. The geological map database includes geological surface entities (sedimentary rock, intrusive rock, metamorphic rock, ophiolitic mélange etc.), geological boundary, fault, attitude, mineralized spot, vertical section, lithological pattern, codes etc. Map appearance and map border include a comprehensive stratigraphic column, intrusive rock evolution sequence table, tectonics-rock unit in the ophiolitic mélange belt, large-scale maps of Baiheshan ophiolitic mélange, geotectonic location map, geotectonic evolution model map, map cross section, legend and signature
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Table 2. Layer attributes of sedimentary rock formation in the 1∶50 000 regional geological map database of the Qinghegou map-Sheet
Serial number Data item name Standard code Data type Example 1 Geobody identification number Feature_Id String AK47E010009000003945 2 Formation category Formation String Sedimentary formation 3 Formation type Metallogenic String Flysch formation 4 Geobody type code Feature_Type String C1l1 5 Geobody name Geobody_Name String Upper segment of Lütiaoshan Formation 6 Rock combination Combination String Medium-fine-grained metamorphic feldspar-quartz sandstone, conglomerate with thin layers of siltstone, etc. 7 Geobody era Geobody_Era String C1 8 Sedimentary environment Sedimentary_Env String Deep-sea–semi-deep-sea turbidite deposits
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Table 3. Layer attributes of intrusive rocks in the 1∶50 000 regional geological map database of the Qinghegou map-Sheet
Number Data item name Standard code Data type Example 1 Feature identification number Feature_Id String AG50E010008000000001 2 Feature type Feature_Type String xηγP2 3 Mapping unit name Intru_Body_Name String Fine-grained monzonitic granite in the Middle Permian 4 Mapping unit symbol Intru_Body_Code String xηγP2 5 Rock name Rock_Name String Fine-grained monzonitic granite 6 Rock color Rock_Color String Flesh red 7 Rock texture Rock_Texture String Fine-grained texture 8 Rock structure Rock_Structure String Massive texture 9 Primary Minerals and Contents Primary_Mineral String Quartz 20%–25%, plagioclase 25%, potassium feldspar 45%–50% 10 Secondary Minerals and Contents Secondary_Mineral String Biotite 5% 11 Contact Relation with surrounding rocks Contact_Relation String Intrusive contact 12 Fault formation era Era String Middle Permian
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Table 4. Layer attributes of fracture in the 1∶50 000 regional geological map database of the Qinghegou map-sheet
Number Data item name Standard code Data type Example 1 Feature type code Feature_Type String F11 2 Fault type Fault_Type String 611 3 Fault name Fault_Name String Strike-slip fault F11 on the south side of Baiheshan 4 Fault code Fault_Code String K47E010009F11 5 Fault character Fault_Character String Strike-slip fault 6 Hanging wall of fault code Fault_Up_Body String C1-2b1, C1-2b2 7 Heading wall of fault code Fault_Bottom_Body String C1-2b1, C1-2b2 8 Fault fracture zone width Fault_Wide String 50 m 9 Fault strike Fault_Strike Int 65 10 Fault dip Fault_Dip Int 155 11 Fault dip angle Fault_Dip_Angle Int 43 12 Estimated fault distance Fault_Distance Float 2–5 km 13 Fault formation era Era String After K1 14 Movement period Movement_Period String Himalayan period
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Table 5. Layer attributes of geological boundary in the 1∶50 000 regional geological map database of the Qinghegou map-Sheet
Number Data item name Standard code Data type Example 1 Feature identification number Feature_Id String AK47E010009000002322 2 Geological boundary name Boundary_Name String Lithofacies boundary 3 Geological boundary (contact) feature type Feature_Type Int 23 4 Geobody code on the left side
of the boundaryLeft_Boundary_Code String O1x2 5 Geobody code on the right side of the boundary Right_Boundary_Code String O1x2 6 Geological surface strike Strike Int 302 7 Dip direction Dip_Direction Int 32 8 Dip angle Dip_Angle Int 53
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Table 6. Attributes of elements of attitude in the 1∶50 000 regional geological map database of the Qinghegou map-Sheet
Number Data item name Standard code Data type Example 1 Feature identification number Feature_Id String AK47E010009000000436 2 Attitude code Attitude_Code Int 02 3 Attitude name Attitude_Name String Schistosity 4 Strike Strike Int 130° 5 Dip direction Dip_Direction Int 220° 6 Dip angle Dip_Angle Int 56°
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[1] He Zhenyu, Zong Keqing, Jiang Hongying, Xiang Hua, Zhang Zeming. 2014. Early Paleozoic tectonic evolution of the southern Beishan orogenic collage: insights from the granitoids[J]. Acta Petrologica Sinica, 30: 2324−2338 (in Chinese with English abstract).
[2] Li Xiangmin, Yu Jiyuan, Wang Guoqiang, Wu Peng. 2012. Geochronology of Jijitaizi ophiolite of Beishan aea,Gansu Provice,and its geological significance[J]. Geological Bulletin of China, 31(12): 2025−2031 (in Chinese with English abstract).
[3] Niu Wenchao, Duan Lianfeng, Zhao Zelin, Xin Houtian, Ren Bangfang. 2020. 1∶50 000 Regional Geological Map Database of the Qinghegou Map-sSheet, Inner Mongolia[DB/OL]. Geoscientific Data & Discovery Publishing System. (2020-06-30). DOI: 10.35080/data.A.2020.P8.
[4] Niu Wenchao, Ren Bangfang Ren Yunwei, Sun Lixin, Duan Xiaolong, Duan Lianfeng, Li Min, Zhang Jiahui. 2017. Discovery of Neoproterozoic Gneissic Granite from the Beishan area, Inner Mongolia: Zircon U−Pb Chronologic Evidence[J]. Geology in China, 44(2): 409−410 (in Chinese with English abstract).
[5] Niu Wenchao, Xin Houtian, Duan Lianfeng, Wang Genhou, Zhao Zelin, Zhang Guozhen, Zheng Yilong. 2019. The identification and subduction polarity of the Baiheshan ophiolite mélanges belt in the Beishan area, Inner Mongolia—New understanding based on the geological map of Qinghegou Sheet (1∶50 000)[J]. Geology in China, 46(5): 977−994 (in Chinese with English abstract).
[6] Wang Guoqiang, Li Xiangmin, Xu Xueyi, Yu Jiyuan, Wu Peng. 2014. Ziron U−Pb chronological study of the Hongshishan ophiolite in the Beishan area and their tectonic significance[J]. Acta Petrologica Sinica, 30(6): 1685−1694 (in Chinese with English abstract).
[7] Xiao W J, Mao Q G, Windley B F, Han C M, Qu J F, Zhang J E, Ao S J, Guo Q Q, Cleven N R, Lin S F, Shan Y H, Li J L. 2010. Paleozoic multiple accretionary and collisional processes of the Beishan orogenic collage[J]. American Journal of Science, 310: 1553−1594. doi: 10.2475/10.2010.12
[8] Xiao W J, Ao S J, Yang L, Han C M, Wan B, Zhang J E, Zhan Z Y, Li R, Chen Z Y, Song S H. 2017. Anatomy of composition and nature of plate convergence: Insights for alternative thoughts for terminal India-Eurasia collision[J]. Science China (Earth Sciences), 60: 1015−1039. doi: 10.1007/s11430-016-9043-3
[9] Yang Fulin, Zhao Zhixiong, Jia Wenyan, Yang liang, Xu Hai, Jia Yuanqin, Gao Yong. 2016. Discussion on the forming age of the Beishan group in the Beishan area, Inner Mongolia[J]. Geological Survey and Research, 39(2): 89−94 (in Chinese with English abstract). http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=qhwjyjjz201602002
[10] Yu J Y, Guo L, Li J X, Li Y G, Smithies R H, Wingate M T D, Meng Y, Chen S F. 2016. The petrogenesis of sodic granites in the Niujuanzi area and constraints on the Paleozoic tectonic evolution of the Beishan region, NW China[J]. Lithos, 256–257: 250−268. http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=9ff0705576c5b7d20b0c28af940ace4b
[11] Zhang Jinlong, Chen Chao, Pan Zhilong, Zhang Guifeng, Zhang Huan, Li Qingji. 2017. Affirm of the Erduanjing formation and analysis of its depositional environment in Xilintaole area, Inner Mongolia[J]. Geological Survey and Research, 40(4): 274−280 (in Chinese with English abstract). http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=qhwjyjjz201704004
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