Bulukqi Fm
Type Locality and Naming
The type section is at Bulukqi (86°34′00″E, 46°46′30″N), Hobokesar County, Northern Xinjiang. The Bulukqi Formation was named at Bulukqi on the southwest slope of the Sharburti Hill in Hoboksar County, northern Xinjiang, by the United Stratigraphic Group of Xinjiang Team of Regional Geological Survey and Institute of Geology and Mineral Resources of Chinese Academy of Geological Sciences in 1973, and was published by Hou Hongfei et al. (1979).
Synonym: (布鲁克其组)
Lithology and Thickness
In the type area, the Bulukqi Formation is represented by an incomplete sequence of yellowish brown, gray, gray green volcaniclastic rock intercalated with limestone. This formation recorded thickness more than 710 m.
Relationships and Distribution
Lower contact
It is exposed with covered lower boundary in the type section.
Upper contact
It is exposed with covered upper boundary in the type section. Regionally, the next younger unit is the Bulongguor Fm of Katian.
Regional extent
The stratigraphic unit is exposed only in Sharburti Hill.
GeoJSON
Fossils
The limestone intercalation yields trilobites Remopleuroides bulukeqiensis and Illaenus; brachiopods Cyclospira koboksariensis and Paramboni; gastropod Maclurites.
Age
Depositional setting
It represents shallow sea deposit dominated by submarine volcanic eruption.
Additional Information