The proposed expansion area also includes a rock formation known as the Chinle escarpment, which some scientists say includes the best record of the Triassic period, which occurred about 225 million years ago.
(the Triassic period; occurred; T:about 225 million years ago) (The proposed expansion area; includes; a rock formation known as the Chinle escarpment,) (a rock formation; known; as the Chinle escarpment) (some scientists; say; includes the best record of the Triassic period)
the Triassic period The proposed expansion area a rock formation some scientists
occurred includes known say
T:about 225 million years ago
a rock formation known as the Chinle escarpment,
as the Chinle escarpment
includes the best record of the Triassic period