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mesozoic
The Rocky Mts. Formed and Pangea started to break apart
The Atlas Mountains were formed during three different stages. The first phase was formed during the Paleozoic Era when Africa and North America collided. The second phase was formed during the Mesozoic Era when the earth's crust rifted and separated the continents. Finally, in the Paleogene and Neogene Periods, the mountains were uplifted as the land masses of Europe and Africa collided at the southern end of the Iberian peninsula.
End of the Mesozoic era
yes
Layers of sediments compressed the layers of vegetation to form the coal deposits.
Yes. Rock formed in the Mesozoic just like they did at all times in earth's history.
End of the Mesozoic era
Pangaea started to break up during the Triassic Period. It continued to split apart in the Jurassic Period and was almost complete in breaking up in the Cretaceous Period. After that it formed into the landmasses that we see today. The Mesozoic era.
Paleozoic and Mesozoic eras about 250 million years ago
When it was formed, it was in the Mesozoic era, but it ended in the Cenozoic era.
cretaceous