Aoqu Fm
Type Locality and Naming
The type section is located in Aoqu District, Jiaoga Township, Markam County, Tibet. It was named by the No. 3 Regional Geological Survey Party of Sichuan Bureau of Geology in 1979. In 1988, Fan Yingnian formally adopted it and renamed the then “Aoqu Group” into the Aoqu Fm.
Synonym: Aoqu Group
Lithology and Thickness
Limestone. Light-gray, gray-white and light yellow moderately thick to thick-bedded compact limestone and shell-rich limestone, usually with oolitic textures, partially containing chert nodules and bands. 83.2−587 m thick.
Relationships and Distribution
Lower contact
Conformable with the underlying Dongfengling Fm
Regional extent
Widely distributed along Qamdo−Markam
GeoJSON
Fossils
Dominated by Fusulinids, including: Fusulinella pseudobocki, F. ex. gr. bocki, F. cf. vozhgalensis and Pseudostaffella sp.; also Brachiopods Phricodothyris asiatica, Gomicophoria sp., Echinoconchus elegans, etc.; Corals Calophyllum sp., Paracaruthersella sp., etc
Age
Depositional setting
It is interpreted as normal neritic sediments.
Additional Information