Kuerliang Gr

The type section is located in the Kangxiwar−Heweitan area of the West Kunlun Mountains, Xinjiang. It was named by Zhang Zhide in 1984, and formally cited in The Paleozoic Erathem of Xinjiang in 1991.

Conglomerate to Siltstone. The type section is composed ascending of (1) gray-black and gray sand-bearing conglomerate, carbonaceous siltstone and feldspar-rich quartz sandstone; (2) gray and gray-green thin- to medium-bedded calcareous siltstone, sandy crystalline limestone and platy chlorite-sericite microcrystal-bearing schist, quartz schist and actinolite-schist, 5759 m thick (!).

Westward to Sunake, it consists of pebbly grit, carbonaceous siltstone and medium-grained sandstone, containing coral Syringopora sp. Visible thickness 781 m, in unconformable contact with the underlying Changchengian System. Further westward to the upper Keliya River, it is dominated by quartz sandstone, intercalated with crystalline limestone and schist, with a visible thickness of 2722.2 m.

Still further west to the Akeqiwusitang River, it is composed ascending of brown-gray calcareous siltstone, brecciated clastic limestone, gray-black schist, plagio-dolomite schist, gray metamorphosed sandstone intercalated with gray-black carbonaceous siltstone, yielding corals Koninckophyllum sp., Empodesma sp. and Syringopora sp. Exposed thickness 1017 m, top unexposed, and in faulted contact with the underlying Talong Group.

Corals Syringopora sp., Koninckophyllum sp., Empodesma sp.

It is interpreted as a littoral-neritic clastic facies of low-grade metamorphism