Gaijitage Fm
Type Locality and Naming
Kashi-Yarkand region (NW Tarim). The naming section is located on the south slope of the north branch of the Gaiji Tag Mountains on the east bank of the Kuzigongsu River 10 km northeast of the seat of Wuqia County, Xinjiang.
Synonym: The upper member of the original Qimugen Fm was named by Hao Yichun et al. as the Gaijitage Fm in 1982.
Lithology and Thickness
The lithology of the formation is relatively uniform in the whole area, represented by brownish red gypsiferous mudstone and muddy gypsum rock with yellowish green mudstone. The thickness is generally 30–50 m.
Relationships and Distribution
Lower contact
Conformable contact with the underlying Paleocene-Eocene Qimugen Fm.
Upper contact
Conformable contact with the overlying Eocene Kalataer Fm (Karatal Fm).
Regional extent
Its distribution ranges from the national border eastward approximately to east of Hotan River.
GeoJSON
Fossils
Foraminifera were first found by Hao et al. (1982) at the Kuzigongsu and Kangsu sections and the aspects and typical elements such as Nonion laevis and Anomalina cf. grosserugosa are consistent with those of the foraminifera in the overlying Eocene Wulagen Formation.
Age
Depositional setting
It belongs to lagoonal gypsifeous mudstone.
Additional Information