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The Cretaceous period got its name from the type of rock that was deposited along the northern shores of the Tethys seas at this periods time. This rock, formed from the metamorphosed deposits of the tiny limestone GH.LGUJLG of algae known as diatoms,is known as chalk.

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What period came after the Cambrian period?

The Ordovician period came after the Cambrian period.


What came after the Ordovician period?

The Silurian period followed the Ordovician period.


The Ordovician period follows the extinction at the end of which period?

The Ordovician period follows the extinction at the end of the Cambrian period.


What was the name of the time period 470 million years ago?

470 million years ago was in the Ordovician Period (488.3 - 443.7 Ma).Phanerozoic Eon (542 Ma - Now)Paleozoic Era (542 - 251Ma)Ordovician Period (488.3 - 443.7Ma)Middle Ordovician Epoch (471.8 - 460.9Ma)Dapingian Age (471.8 - 468.1Ma)


What time period did the Bachipods live in?

Ordovician Period


Where did the name for the Ordovician time period come from?

The Ordovician time period is named after the Ordovices, an ancient Celtic tribe that inhabited parts of Wales. The name was first used in the early 19th century by geologists who were studying rock formations in the region. The Ordovician period spans from approximately 485 to 444 million years ago and is characterized by significant marine life diversification and the first appearance of many organisms.


What minerals were in the ordovician period?

copper


Ended with the Taconian Orogeny?

Ordovician period


Index fossils include ostracoderms?

Ordovician Period


How long did Ordovician period last?

The Ordovician lasted for 47 million years from 490 to 443 Million Years Ago.


What is the dominant plant of the Ordovician period?

Algae was the dominant plant of the Ordovician. There were little to no other plants (other then algae) during the Ordovician. In the Ordovician, the common types of algae were Stromatolites (Blue green algae), and Tetradium (Red algae).


When did Ordovician period started?

490 million years ago.