After 1999, the basite zone was found in the group of Kuerliang in middle-upper Carboniferous, in the Late Paleozoic strata of the North Kunlun area.
1999年以来，在北昆仑地区晚古生界中上石炭统库尔良群中发现了基性岩浆岩带。
The stratum of main source rock among the Marine facies is the upper Sinian and the Paleozoic group.
其中海相地层中的主力烃源岩层为上震旦统和上古生界石炭—二叠系。
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