Bayan Mandahu Formation

The Bayan Mandahu Formation contains red sandstone beds and sedimentary layers that extend across sections of the Gobi Desert landscape.

Paleontologists identified this formation during the early 20th century, establishing its significance as a Late Cretaceous period site from 75 to 71 million years ago.

Scientists from multiple countries conduct research at this formation, making it an international center for understanding dinosaur evolution and ancient ecosystems.

Visitors need permits and specialized transportation to reach this remote location, where temperatures fluctuate significantly between seasons.

The formation contains complete articulated skeletons of Machairasaurus leptonychus and multiple specimens preserved in life-like positions due to rapid sand burial.

Location: Inner Mongolia

GPS coordinates: 41.75000,106.75000

Latest update: March 25, 2025 11:56