Kaikukang Fm
Type Locality and Naming
It was named by the Heilongjiang River Valley Comprehensive Expedition under the Academy of Sciences of China in 1963. The naming locality is situated in the vicinity of Kaikukang on the right bank of the Heilong River, with the route profile along the Mongbai River, right-side tributary in the middle reaches of the Pangu River, and also along the Taliya River, a left-side tributary in the middle reaches of the Pangu River, serving as the naming section, with its reference section being located at the river chasm on the right bank of the Heilong River, west of the Kaikukang Docks in Tahe County. Uppermost formation in Emurhe Gr.
Synonym: （开库康组）
Lithology and Thickness
Composed mainly of coarse clastic sediments. Lower part consisting largely of grey and yellow-brown polymictic sandstones, and secondarily of conglomerate, intercalated with grey-black siltstone and muddy siltstone. Upper part consisting mainly of grey and grey-brown conglomerates, and secondarily of yellow-green and grey polymictic sandstones, intercalated with grey-black fine-grained sandstone and siltstone, with neither top and nor base having been found, with a total thickness of over 741 m.
Relationships and Distribution
Lower contact
Upper contact
It is unconformably overlain by the volcanics of the Xinganling Gr (Tamulangou Fm)
Regional extent
This formation is distributed essentially on the right bank of the Heilong River in the area of Kaikukang Township in the form of a EW-trending belt, with a relatively consistent lithology in various regions.
GeoJSON
Fossils
It yields such plant fossils as Coniopteris sp., C. burejiensis, Sphenozamites sp. and Nilssonia sp.
Age
Depositional setting
The formation belongs to fluvial deposits.
Additional Information