Artinskian Stage — ▪ geology third of the four stages of the Lower Permian (Cisuralian) Series, representing those rocks deposited during Artinskian time (284.4 million to 275.6 million years ago) in the Permian Period. Rocks of Artinskian time were deposited … 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
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
Ishbel Group — Stratigraphic range: Permian … 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
Dissorophidae — Temporal range: Late Carboniferous Middle Permian, 304–268 Ma … Wikipedia
Changhsingian — System Series Stage Age (Ma) Triassic Lower Induan younger Permian Lopingian … Wikipedia
Geology of the North Sea — Contents 1 Tectonic structure 2 Precambrian 3 Finnmarkian, Athollian, Caledonian Orogenies … Wikipedia
Cambrian — For other uses, see Cambrian (disambiguation). Cambrian Period 542–488.3 million years ago … Wikipedia
Carboniferous — For the album by Zu see Carboniferous (album). Carboniferous Period 359.2–299 million years ago … Wikipedia
