Sunjiawan Formation, Geological formation in Liaoning, China
The Sunjiawan Formation is a geological formation in Liaoning composed of multiple layers of variegated conglomerates. Thin beds of sandstone, siltstone, and mudstone are interspersed throughout, revealing past environmental conditions.
The formation took shape during the early Late Cretaceous period roughly 99 to 95 million years ago. This timeframe is established through fossil remains preserved within its sedimentary layers.
Scientists from multiple nations conduct research at the formation to study prehistoric species, including Crichtonpelta benxiensis and Shuangmiaosaurus gilmorei specimens.
Visitors should follow marked paths to view the various layers from a safe distance. Access conditions and local regulations should be verified beforehand to ensure a smooth visit.
The formation preserves fossils of feathered dinosaurs that offer rare insight into the link between ancient reptiles and modern birds. Such discoveries have aided researchers in tracing this evolutionary pathway.
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