宁夏区内北祁连构造带与鄂尔多斯地块边界探讨

A discussion of the north Qilian structural in Ninxia and Ordos block boundary

讨论宁夏段北祁连构造带与鄂尔多斯地块边界的问题,不仅是对构造格架恢复的讨论,更是对宁夏地震灾害防治、找矿布局探讨的讨论,以至于对弧形构造带金属成矿规律、六盘山盆地寻找油气藏把握深入研究的探讨。该区近年来进行了较为详实的矿调工作,其中大面积的物化探工作,特别是六盘山地区、月亮山地区、南西华山地区的高精度重、磁、电资料,使得两大板块边界地研究有了实质性进展。结合宁南弧形构造带重力、磁法、电法、地震,以及收集的宁夏地质矿产勘查开发局在区域基本覆盖全区的钻孔资料,对北祁连构造带东边界与华北地台的边界进行探讨,恢复该区构造格架,为基础地质资料研究提出建议。

To discussion of ningxia section of the north qilian structural belt and ordos block boundary problem,it is not only the discussion of the tectonic recovery,but also in ningxia earthquake disaster prevention,prospecting the discussion of the layout to explore,so that the arc structure with metal metallogenic regularity of in-depth study.The study of the field,one is to strengthen geological outcrop research,drilling data,more important is to strengthen the research of the large scale geochemical exploration data.In recent years are discussed in detail in the area of mining work,including the geochemical exploration work of large area,especially Liupanshan xihua mountain region,the moon mountain,south of high precision gravity,magnetic and geochemical data,make the study of the two big plate boundary had substantial progress.Combining with the building arc structure with gravity,magnetic,electrical method,seismic and geochemical exploration,as well as the collection of geology and mineral resources exploration development bureau in ningxia in regional basic coverage of drilling data,the north qilian structural belt east boundary and the boundary of the north China platform are discussed,and restore the structural framework,on the basis of geological data to study and put forward Suggestions.