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How old is the palisade Sill?
The Palisade sill was formed at the end of the Triassic period. Scientists are still debating how it was formed, but it appears to have been made by a single huge lava flow that occurred as the monster continent of Pangea broke up.
What period came first Jurassic cretaceous or triassic?
jurassic The Triassic was the earliest period of the Mesozoic, followed by the Jurassic then the Cretaceous. The Cretaceous was of the greatest duration.
Why was Jurassic period called Jurassic period?
The Jurassic period is named after the Jura Mountains in Switzerland where significant geological strata from this time period were first studied. These rocks contain abundant fossils from the Jurassic period, which lasted from approximately 201 to 145 million years ago.
Where there any meteors during the Jurassic era?
Yes, there is evidence that suggests meteors did hit the Earth during the Jurassic era. Some scientists believe that a meteor impact may have contributed to the mass extinction event that marked the end of the Jurassic period.
What were the type of plant life during the Jurassic time period?
During the Jurassic period, the dominant plants were gymnosperms, including conifers, cycads, and ginkgoes. Ferns and horsetails were also prevalent, along with the early angiosperms. These plants contributed to the lush forests that characterized the Jurassic landscape.
What era and period is the allosaurus from?
The Allosaurus lived 150 million years ago. That was during the Jurassic period. The Jurassic period was part of the Mesozoic era.
Did earthquakes appear in the Jurassic period?
Earthquakes did appear during the Jurassic period along with volcano eruptions.
During What period did reptiles evolve?
Jurassic time period
When was Period of the brontosaurus?
Brontosaurus lived during the Jurassic Period
Where was ammonites dominant?
Ammonites are very common fossils from the Jurassic Period. They were dominant in the ocean during and before the Jurassic Period.
Organisms that diversified during the Jurassic period?
Several organisms diversified during the Jurassic period. Crocodiles became larger and more diverse. Dinosaurs and birds diversified and thrived. Of all the organisms in the Jurassic Period, plants diversified the most.
Which period did the supercontinent pangaea form?
The supercontinent Pangaea formed during the late Paleozoic and early Mesozoic eras, around 335 million years ago. It began to break apart during the Jurassic period, around 175 million years ago.
When was the allosaurus born and extinct?
During the Jurassic period.
Did Pangaea exist during the Jurassic period?
Yes
When were the Jura Mountains formed?
The Jura Mountains are in the western Alps. They were formed in three stages, in the Lias (early Jurassic), Dogger, and Malm geologic periods.
What did geologic period did stegosaurus live in?
Stegosaurus existed from about 155 to 150 million years ago. That was during the Kimmeridgian and Tithonian stages of the Jurassic period. The Jurassic was the second period of the Mesozoic era.
What period did the first birds arrive?
Dinosaurs first apeared in the triassic period
