Kak Fm
Type Locality and Naming
The type section is located at the Kalagayizhilejar on the northern slope of Kunkelaqitag, Arheqi County, Xinjiang.It was named by the Research Institute under the Xinjiang Geological Bureau and the Institute of Geology under the Chinese Academy of Geological Sciences in 1987.
Lithology and Thickness
Limestone. Black thin-bedded clayey limestone and algal clastic limestone, intercalated with stromatolitic limestone, yielding a small amount of Fusulinida and stromatolites. Thickness is 158 m
Relationships and Distribution
Lower contact
Conformable contact with the black limestone of the underlying Zharjiak Fm
Upper contact
Regional extent
Distributed on the northern slope of Kunkelaqitag and represents isochronous deposits of different facies together with that of the Wutankule Fm occurring in the Kepingtag and Subashi areas.
GeoJSON
Fossils
Age
Depositional setting
It is interpreted as intertidal-zone environment in regression deposits.
Additional Information