A’ertaxi Gr
Type Locality and Naming
Western Tarim Basin. The type section is located at south of A’ertaxi village, north side of Kunlun Mts. in the Xinjiang Uygur Autonomous Region. . It was named by No 13 Geological Team of Xinjiang in 1957 and was published by Editorial Board of Xinjiang Regional Stratigraphical Scale (1980).
Lithology and Thickness
Limestone, shale. The Lower part of the Group is dominated by light-gray, dark-gray limestone and clayey shale, containing coral fossils. The Upper part is characterized by green and black shale and dark-gray limestone with breccia limestone on its top. The thickness is 870 m. In the high mountain area between Longle-Agar River valley and Genlishalihe River, the group is characterized by gray, light greenish-gray quartzose sandstone, 260 to 900 m thick.
Relationships and Distribution
Lower contact
Unknown: The contact relationships to the underlying strata are not yet clear. Column 15 shows a Sukuluk Gr below, but there is no entry for this in the English-version of the Lexicon.
Upper contact
Unknown: The contact relationships to the overlying strata are not yet clear. However, Qizinafu Gr is shown overlying in column 15).
Regional extent
GeoJSON
Fossils
Coral fossils: Eudophyllum sp., Brariphyllum sp., Syringopora sp., Temnophyllum sp..
Age
Depositional setting
Additional Information