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笔者根据吕梁山区中段１∶５万盖家庄幅、马坊幅区调，发现前人所建立的下元古界野鸡山群以变质基性火山岩为核的向斜两翼岩性差异较大，岚河群在宝塔山一带呈倒转向斜产出，且发育两层基性火山岩。通过全区地层剖面分析、对比，认为下元古界黑茶山群、野鸡山群和岚河群并非依次上下叠置关系，而是侧向相变关系，并初步建立了早元古代岩石地层格架，这对早元古代裂陷海槽的盆地分析具有重要意义
According to the 1: 50000 Gaijiajiazhuang and Mafang amplitude adjustment in the middle section of Luliangshan District, the authors find that the lithology of the syncline wings of metamorphic basic volcanic rocks in the Pliocene Pheasant Group established by the predecessor is quite different, Lanhe Group was inverted syncline in the Baotushan area output, and the development of two basic volcanic rocks. Through the analysis and comparison of the stratigraphic profiles in the whole area, it is concluded that the Lower Dacha and Heichashan Group, the Pheasant Group and the Lanhe Group are not superimposed one after the other, but rather have a lateral phase change relationship, and the Early Proterozoic rock strata This is of great significance to the basin analysis of the Early Proterozoic rifted trough