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Pangaea or Pangea (/ p æ n ˈ dʒ iː ə / pan-JEE-ə) [1] was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. [2] It assembled from the earlier continental units of Gondwana , Euramerica and Siberia during the Carboniferous approximately 335 million years ago, and began to break apart about 200 million years ...
Pangaea's supercontinent cycle is a good example of the efficiency of using the presence or lack of these entities to record the development, tenure, and break-up of supercontinents. There is a sharp decrease in passive margins between 500 and 350 Ma during the timing of Pangaea's assembly.
The oldest remnants of the so-called Fosna culture were found in Aukra in Møre og Romsdal. [73] Americas, South America: Argentina: 11,000 BP: Piedra Museo: Spear heads and human fossils [74] Europe, Baltic: Estonia: 11,000 BP: Pulli: The Pulli settlement on the bank of the Pärnu River briefly pre-dates that at Kunda, which gave its name to ...
The supercontinent Pangaea was rifting during the Triassic—especially late in the period—but had not yet separated. The first nonmarine sediments in the rift that marks the initial break-up of Pangea—which separated New Jersey from Morocco—are of Late Triassic age; in the U.S., these thick sediments comprise the Newark Supergroup. [44]
The Permian ended with the most destructive mass extinction in all of Earth's history. Globally up to 96% of all species may have disappeared. [43] Rugose and tabulate corals became extinct. [44] The cryptostome and trepostome bryozoans also became extinct at this time despite their long history of diversity and abundance earlier in the ...
In contrast with Pannotia, little is known about Rodinia's configuration and geodynamic history. Paleomagnetic evidence provides some clues to the paleolatitude of individual pieces of the Earth's crust , but not to their longitude, which geologists have pieced together by comparing similar geologic features, often now widely dispersed.
The history of nature from the Big Bang to the present day with notable events annotated. Every billion years (Ga) is represented by 90 degrees of rotation of the spiral. The last 500 million years are represented in a 90-degree stretch for more detail on our recent history.
The natural history of Earth concerns the development of planet Earth from its formation to the present day. [ 1 ] [ 2 ] Nearly all branches of natural science have contributed to understanding of the main events of Earth's past, characterized by constant geological change and biological evolution .