These rock formation began as limestone deposited during Late Precambrian (about 850-700 million years ago) when the area was covered by a warm sea.
(These rock formation; began; T:as limestone deposited during Late Precambrian (about 850-700 million years ago) (limestone; deposited ago; T:when the area was covered by a warm sea; T:during Late Precambrian) (the area; was covered; by a warm sea)
These rock formation limestone the area
began deposited ago was covered
T:as limestone deposited during Late Precambrian (about 850-700 million years ago
T:when the area was covered by a warm sea T:during Late Precambrian
by a warm sea