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Il y a 4 jours · The geologic time scale, proportionally represented as a log-spiral with some major events in Earth's history. A megaannus (Ma) represents one million (10 6) years.
Il y a 1 jour · The Miocene ( / ˈmaɪ.əsiːn, - oʊ -/ MY-ə-seen, -oh-) [6] [7] is the first geological epoch of the Neogene Period and extends from about 23.03 to 5.333 million years ago (Ma).
6 juil. 2024 · Meanwhile, seafloor spreading in the Atlantic basin moved northward: continental separation occurred at about 120 and 100 million years ago on the eastern and northern margins, respectively, of the Grand Banks of Newfoundland; about 90 million years ago in the Labrador Sea; and about 70 million years ago in Baffin Bay and eastern ...
Il y a 2 jours · There is some evidence that modern humans left Africa at least 125,000 years ago using two different routes: through the Nile Valley, the Sinai Peninsula and the Levant ( Qafzeh Cave: 120,000–100,000 years ago); and a second route through the present-day Bab-el-Mandeb Strait on the Red Sea (at that time, with a much lower sea level ...
Il y a 4 jours · Researchers have shed light on Earth's earliest ecosystem, showing that within a few hundred million years of planetary formation, life on Earth was already flourishing.
Il y a 5 jours · The interval of maximum temperature occurred during the late Paleocene and early Eocene epochs (59.2 million to 41.2 million years ago). The highest global temperatures of the Cenozoic occurred during the Paleocene-Eocene Thermal Maximum (PETM), a short interval lasting approximately 100,000 years.
Il y a 4 jours · Eocene Epoch, second of three major worldwide divisions of the Paleogene Period (66 million to 23 million years ago) that began 56 million years ago and ended 33.9 million years ago. It follows the Paleocene Epoch and precedes the Oligocene Epoch.
