These lavas were deposited in the Triassic Period about 230 million years ago and filled up an ancient river valley.
The Triassic Period extends from about 251 0.4 to 199.6 0.6 Ma.
Relative age dating of the Chugwater places it in the Triassic Period.
The town is renowned for its old salt flats, which were formed beginning in the Triassic Period.
Coelophysis: Living during the late Triassic Period almost 210 million years ago.
At the start of the Triassic Period, Britain was largely covered by desert.
It is approximately 200 million years old, dating back to the Triassic Period.
This skull formation first appeared in archosaurs during the Triassic Period.
It existed during the Triassic Period in what is now Switzerland.
The remains are dated to the Triassic Period.