Permian–Triassic extinction event — … 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
Permian — For the language family, see Permic languages. For the high school, see Permian High School. For the geological basins, see Permian Basin. Permian Period 299–251 million years ago … Wikipedia
Sea level — For the sea level change associated with the current episode of global warming, see current sea level rise. For other uses, see Sea level (disambiguation). This marker indicating the sea level is placed on the path from Jerusalem to the Dead Sea … Wikipedia
Sea urchin — Taxobox name = Sea urchin image width = 250px image caption = Sea urchins, Sterechinus neumayeri regnum = Animalia phylum = Echinodermata subphylum = Echinozoa classis = Echinoidea classis authority=Leske, 1778 subdivision ranks = Subclasses… … Wikipedia
Geology of the North Sea — Contents 1 Tectonic structure 2 Precambrian 3 Finnmarkian, Athollian, Caledonian Orogenies … Wikipedia
Irish Sea — Freight and passenger … Wikipedia
Tethys Sea — ▪ ocean, Mesozoic Era former tropical body of salt water that separated the supercontinent of Laurasia in the north from Gondwana in the south during much of the Mesozoic Era (251 to 65.5 million years ago). Laurasia consisted of what are… … Universalium
North Sea oil — is a mixture of hydrocarbons, comprising liquid oil and natural gas, produced from oil reservoirs beneath the North Sea. In the oil industry, the term North Sea often includes areas such as the Norwegian Sea and the area known as West of Shetland … Wikipedia
List of oil and gas fields of the North Sea — This list of oil and gas fields of the North Sea contains links to oil and natural gas reservoirs beneath the North Sea. In terms of the oil industry, North Sea oil often refers to a larger geographical set, including areas such as the Norwegian… … Wikipedia
