Suining Formation

Suining Formation
Stratigraphic range: ?Late Jurassic,
TypeGeological formation
Unit ofSichuan Basin
UnderliesPenglaizhen Formation
OverliesUpper Shaximiao Formation
ThicknessSeveral hundred meters
Lithology
PrimaryMudstone
OtherSandstone, siltstone
Location
RegionAsia
CountryChina
Type section
Named byLee & Chen (1939)

The Suining Formation (simplified Chinese: 遂宁组; traditional Chinese: 遂寧組; pinyin: Suìníng Zǔ) is a geological formation in China whose strata likely date back to the Late Jurassic. Dinosaur remains are among the fossils that have been recovered from the formation.

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