It is located within and is widely represented in the Gobi Desert Basin, in the Ömnögovi Province of Mongolia.

It has been suggested that the Djadokhta and Barun Goyot Formations are lower and upper parts, respectively, of the same lithological unit and the boundary between the two does not exist.

The stratotype of the Barun Goyot Formation is the Khulsan locality, east of Nemegt.

The Red Beds of Khermeen Tsav are also considered part of the Barun Goyot Formation.

It is approximately 110 metres (360 ft) in thickness,[1] and was laid down roughly 72-71 million years ago.