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A major geologic change is an event that might mark the end of a period.

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Q: What event might mark the end of a period?
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Continue Learning about Earth Science

The end of the Permian period was also the end of what Era?

The permian period was the end of the paleozoic era.


What event marks the beginning of the current geologic era on Earth?

The mass extinction event at the end of the Cretaceous Period marks the beginning of the Cenozoic Era. There are multiple hypotheses as to what caused or contributed to this extinction; current thought is that the Chicxulub meteorite event, combined with the already occurring volcanic trap eruptions in present day India provided the one-two punch that lead to the extinction. Regardless, the iridium rich KT boundary at the end of the Cretaceous marks the end of the reign of the dinosaur and the emergence of a great diversity in other species.


What is cretaceous period?

The Cretaceous Period was the 3rd geological period in the Mesozoic Era. The end of the period would see the extinction of all non-avian dinosaurs as well as all the large marine reptiles, pterosaurs as well many other species of animals and plants. It lasted from 145.5 to 65.5 million years ago. It was the time between 2 extinction events, the smaller End Triassic Extinction event and the larger K-T Exinction event.


When did the triassic period take place?

The Triassic was from about 225 million to 190 million years ago. It is the first period of the Mesozoic ("middle life") Era.The Triassic Period is most commonly believed to have begun 251 million years ago and lasted until 199.6 million years ago.


When did the last glacial period end?

It is recorded that the last glacial period ended in 10,500 BC. That was supposedly the end of what is commonly known as the "Ice Age."

Related questions

What is the definition of end mark?

This *might* be referring to end punctuation, i.e. the punctuation mark at the end of a sentence or question. It might be a period, a question mark, an exclamation mark.


Does a sentence have to end with a period?

If the sentence is a statement it has to end in a period. If it is a question it would end in a question mark (?) and if the sentence indicates stong feeling it would end in an exclamation mark (!)


What is an end punctuatiion mark that indicates the end of a sentence?

period


End mark what does it look like?

Period - . Exclamation Point - ! Question Mark - ?


What mark did the carboniferous period end?

The Dinosaurs came


What is a period in a sentence used for?

To mark the end of the sentence.


Can a question ever end with a period?

No. A question always has to end with a question mark.


What is the punctuation at the end of a sentence called?

The different punctuation at the end of a sentence are mostly period ("."), Question mark ("?"), Exclamation mark ("!").


What puntuation mark is placed at the end of a declarative sentence?

Period (.)


Does a interrogative sentence end in a period?

No, it ends with a question mark.


What future event might mark the end of Cenozoic era?

Any variety of causes including volcanism, impact events, cosmic radiation, even nuclear war.


When writing a book title that ends with a question mark and it occurs at the end of the sentence do you put the question mark and follow it with a period?

No. it's not necessary to put a period after a question mark.