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摘要: 内蒙古巴彦哈拉幅(K48E021017) 1∶
50 000 地质图是在充分收集、综合分析已有地质资料基础上,依据《1∶ 50 000区域地质调查技术要求》(DD 2019—01)和行业统一标准及要求,应用数字填图技术,通过路线地质调查、实测剖面和大比例尺填图等多种手段相结合的方法完成的。在野外地质数据采集过程中,通过自查、互查及项目组抽查等方式对数据质量进行了监督,确保原始数据真实可靠。在填图数据采集完成的基础上,以中国地质调查局《数字地质图数据库标准》(DD 2006—06)为标准,建立了巴彦哈拉幅(K48E021017) 1∶50 000 地质图数据库,详细表达了不同地质体的基本属性。本地质图数据库为MapGIS 格式,包括12个正式填图单位、6期岩浆岩事件、8期构造变形事件以及9个样品的锆石U–Pb年龄数据,数据量为210 MB。图幅采用造山带填图新理论和新方法,在图面表达中突出了多期构造形迹及其产状要素,全面反映了填图区自古元古代以来的多期构造变形样式及时代。同时开展了复杂构造区地质填图方法指南的编写,为系统构建构造地质填图新方法提供重要依据。该图幅为构造试点填图图幅,在2018年度全国区域地质调查图幅展评中荣获“特优图幅”奖。 -
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