Subashi Formation
Stratigraphic range:Campanian-Maastrichtian ~84–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Overlies	Unconformity withKumtax Formation
Lithology
Primary	Red or variegatedsandstone
Other	Mudstone
Location
Coordinates	43°06′N91°48′E / 43.1°N 91.8°E /43.1; 91.8
Approximate paleocoordinates	39°36′N82°48′E / 39.6°N 82.8°E /39.6; 82.8
Region	Xinjiang
Country	China
Extent	Turpan Basin
Type section
Named by	Dong Zhiming
Year defined	1977
Subashi Formation (Bayingolin)

TheSubashi Formation (Chinese:苏巴什组) is aLate Cretaceous (Campanian toMaastrichtian)^[1] formation from theXinjiang Autonomous Region of western China.^[2] Initially described byDong Zhiming in 1977, the formation contains remains ofTarbosaurus which were initially described as a separate taxonShanshanosaurus huoyanshanensis. Remains of a sauropod, likelyNemegtosaurus, and a hadrosaurid, likelyJaxartosaurus, have also been found.

The formation is located in theFlaming Mountains region of Xinjiang, north of theTurpan Depression. It is not far fromLianmuqin Town ofShanshan County,^[3] and is presumably named after the village of Subashi (42°55′11″N89°44′36″E / 42.91972°N 89.74333°E /42.91972; 89.74333), which is located some 15 kilometres (9.3 mi) to the west of Lianmuqin, inTuyugou Township (吐峪沟乡).

The following fossils were reported from the formation:^[2]

• Subashi (lost city)

• Xi, D.; Wan, X.; Li, G.; Li, G. (2018), "Cretaceous integrative stratigraphy and timescale of China",Science China Earth Sciences,61:1–31,doi:10.1007/s11430-017-9262-y
• Zhang, S.-K.; Wang, Q. (2010), "A new species of ovaloolithids from Turpan Basin in Xinjiang, China",Vertebrata PalAsiatica,48:71–75
• Glut, Donald F (2001),Dinosaurs, the encyclopedia: Supplement, Volume 1, McFarland & Co., p. 497,ISBN 078641166X
• Dong, Z (1997),On a large claw of sauropod from the Upper Cretaceous in the Turpan Basin, Xinjiang, China. In Z. Dong (ed.), Sino-Japanese Silk Road Dinosaur Expedition China Ocean Press, Beijing, pp. 111–112
• Dauphin, Y (1994), "Comparaison des microstructures et de la composition chimique de coquilles d'oeufs fossiles du Sud de la France, de quelques specimens d'Asie et d'oiseaux actuels",Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen,194:55–71,doi:10.1127/njgpa/194/1994/55
• Shen, Y.-b.; Mateer, N. J. (1992),An outline of the Cretaceous System in northern Xinjiang, western China. In N. J. Mateer, P.-j. Chen (eds.), Aspects of Nonmarine Cretaceous Geology China Ocean Press, Beijing, pp. 50–77
• Zhai, R.-j.; Zheng, J.-j.; Tong, Y.-s. (1978), "Stratigraphy of the mammal-bearing Tertiary of the Turfan Basin, Sinkiang",Reports of Paleontological Expedition to Sinkiang. III. Permian and Triassic Vertebrate Fossils of Dzungaria Basin and Tertiary Stratigraphy and Mammalian Fossils of Turfan Basin,13:68–81
• Dong, Z (1977), "On the dinosaurian remains from Turpan, Xinjiang",Vertebrata PalAsiatica,15:59–66
• Yeh, H (1974), "A new fossil dermatemydid from Sinkiang",Vertebrata PalAsiatica,12:257–261
• Young, C.-C (1965), "Fossil eggs from Nanshiung, Kwangtung and Kanchou, Kiangsi",Vertebrata PalAsiatica,9:141–170

• Geologic formations of China
• Upper Cretaceous Series of Asia
• Campanian Stage
• Maastrichtian Stage
• Mudstone formations
• Sandstone formations
• Ooliferous formations
• Paleontology in Xinjiang

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