The Kongling Complex consists of basement rocks, supracrustalrocks and some mafic rocks occurring as lenses, boudins or layers.
崆岭杂岩由基底岩石加表壳岩石组成，另外有一些基性岩侵入其中。
2
The Mengjiatun Formation complex is a suite of supracrustalrocks formed in the early Neoarchean, and its typical rocks include garnet quartzite, biotite-quartz schist and amphibolite.
The quartz-mica schist, quartzite and marble were metamorphosed sedimentary rocks, and, together with paragneiss and mafic rock, constituted the old supracrustal series.