Bayin-Gobi Formation, Geological formation in Inner Mongolia, China
Bayin-Gobi Formation is a geological layer in Inner Mongolia composed of mudstone, siltstone, conglomerate, and sandstone stacked in alternating bands. The total thickness of these rock layers exceeds 2000 meters from bottom to top.
These rock layers formed during the Early Cretaceous period, roughly between 129 and 100 million years ago. They settled on top of older metamorphic rocks from the Permian age.
Scientists and researchers from various institutions regularly study the formation to understand the evolution of Asian dinosaur species through extensive fossil analysis.
The site sits in a remote location and visits are typically authorized only for research purposes. Access is restricted to protect the rock layers from damage.
Paleontologists have uncovered bones and teeth from early dinosaur species here dating back to the Cretaceous. These fossil remains help scientists trace how dinosaurs evolved across Asia.
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