Zhenzhuchong Formation

{{Infobox rockunit

| name = Zhenzhuchong Formation

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| type = Geological formation

| age = {{fossilrange|Hettangian|Pliensbachian}}

| period = Lower Jurassic

| prilithology = Mudstone

| otherlithology = Sandstone

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| region = Sichuan Province

| country = {{flag|China}}

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| underlies = Ziliujing Formation

| overlies = Xujiahe Formation

| thickness = 17-68 metres

| extent = Sichuan Basin

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The Zhenzhuchong Formation is an Early Jurassic geologic formation in China. Plesiosaur remains are among the fossils that have been recovered from its strata. Remains of the prosauropod Lufengosaurus huenei have been recovered from this formationWeishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607. As well as dinosaur footprints.{{Cite journal|last1=Xing|first1=Lida|last2=Peng|first2=Guangzhao|last3=Ye|first3=Yong|last4=Lockley|first4=Martin G.|last5=Klein|first5=Hendrik|last6=Persons|first6=W. Scott|last7=Zhang|first7=Jianping|last8=Shu|first8=Chunkang|last9=Hao|first9=Baoqiao|date=2014-04-03|title=Sauropod and Small Theropod Tracks from the Lower Jurassic Ziliujing Formation of Zigong City, Sichuan, China, with an Overview of Triassic–Jurassic Dinosaur Fossils and Footprints of the Sichuan Basin|journal=Ichnos|language=en|volume=21|issue=2|pages=119–130|doi=10.1080/10420940.2014.909352|s2cid=129220218 |issn=1042-0940|citeseerx=10.1.1.663.3037}}