Seas
of Montana
For
over sixty million years during the Cretaceous Period, much of
eastern Montana was underwater, covered by a vast inland sea. As
the Rocky Mountains formed to the west, it created a broad, flat
coastal plain that was home to many different species of dinosaurs,
Indeed, the long life of the sea saw the rise and extinction of
many dinosaur species until it finally receded from Montana about
65 million years ago at the end of the Cretaceous
Period.
The
sea was shallow and warm, probably no more than a few hundred feet
deep. It was a home to a wide variety of aquatic life. Oysters
lived in dense banks along the shore, while tentacle ammonites fed
on monster clams that lived in the shallow water offshore. Sharks
also cruised the shallows preying on whatever animals appeared
tasty to them.
For
several million years, two predators, synonymous with prehistoric
sea creatures, were at the top of the food chain in the sea.
Neither animals were dinosaurs, but were air-breathing reptiles who
had adapted to living in the seas and oceans. Both were carnivores
that ate just about anything they could seize and swallow. Fossils
of these two predators have been found throughout eastern
Montana.
To claim this earth
cache, you must: Post a picture of yourself at the cache site (In
order to eliminate internet finds) No Picture = No Find!!, and
email us the answers to the following questions:
1.
What were the two predators called and which one is believed to
resemble Scotland’s Loch Ness Monster?
2.
What year was the first Tyrannosaurus Rex fossils discovered in
Montana?
3.
In the movie, Jurassic Park, what dinosaur was believed to be the
model for the Velociraptors?
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