petrified
The brontosaurus was referred to as a thunder lizard.
Apatosaurus is sometimes referred to as the thunder lizard.
A group of mountains is called a mountain range. The himalayas is the largest mountain range with some of the tallest mountains, such as Mount Everest in Nepal and K2 in Pakistan
superpostion
the petrified trees of the petrified forest date back to?
submarine
The rock is called a glacial erratic when it is left behind by a glacier, and is of a completely different material composition than the rocks on which it was deposited.