Caledonian orogeny — The Caledonian orogeny is a mountain building event recorded in the mountains and hills of northern Scotland, Ireland, England, Wales, and west Norway. This event occurred during the Late Silurian to Middle Devonian Periods of the Palaeozoic Era … Wikipedia
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
Permian Period — Interval of geologic time, 290–248 million years ago. The last of the six periods of the Paleozoic Era, it follows the Carboniferous Period. During the Permian, the continents joined to form a single supercontinent, Pangea. Hot, dry conditions… … Universalium
History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… … Wikipedia
Pangaea — Pangaea, Pangæa or Pangea (IPAEng|pænˈdʒiːə [OED] , from παν, pan , meaning entire , and Γαῖα, Gaea , meaning Earth in Ancient Greek) was the supercontinent that existed during the Paleozoic and Mesozoic eras about 250 million years ago, before… … Wikipedia
Karoo Ice Age — The Karoo Ice Age from 300–400 Ma (million years ago) was the second major period of glaciation of the Phanerozoic Eon. It is named after the glacial tills found in the Karoo region of South Africa where evidence for this ice age was first… … Wikipedia
Europe — /yoor euhp, yerr / for 1; /yoo roh pee, yeuh / for 2, n. 1. a continent in the W part of the landmass lying between the Atlantic and Pacific oceans, separated from Asia by the Ural Mountains on the E and the Caucasus Mountains and the Black and… … Universalium
Ural Mountains — a mountain range in the W Russian Federation, extending N and S from the Arctic Ocean to near the Caspian Sea, forming a natural boundary between Europe and Asia. Highest peak, Mt. Narodnaya, 6214 ft. (1894 m). Also called Urals. * * * Mountain… … Universalium
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
Ural Mountains — Riphean redirects here. For the time period, see Riphean stage Geobox|Range name=The Ural Mountains country=Russia country1=Kazakhstan region=Bashkortostan region1=Sverdlovsk Oblast region2=Perm Krai region3=Chelyabinsk Oblast region4=Kurgan… … Wikipedia
