Shaximiao Formation, Jurassic fossil formation in Zigong, China
The Shaximiao Formation is a Jurassic-age rock layer in Sichuan Province composed of purple-red mudstones and siltstones alternating with sandstone beds. These deposits contain abundant dinosaur fossils and remains of other organisms from the early Jurassic period.
The formation was first exposed in 1972 through construction work that revealed dinosaur bones. Systematic excavations over the following decades established it as one of the most important vertebrate fossil sites from this period.
The Zigong Dinosaur Museum displays numerous specimens from the formation, making paleontological discoveries accessible to researchers and visitors from around the world.
Visitors can explore the excavation site or view exhibits at the nearby dinosaur museum to understand how this location is studied. It helps to check in advance about current access options and guided tour availability.
This deposit preserves not just scattered bones but in rare cases nearly complete dinosaur skeletons. This allows for deeper understanding of anatomy and behavior, making the site exceptionally valuable to researchers.
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