The Viséan age is the middle of three ages in the
The Viséan is named for the Belgian city of
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Viséan Stage — ▪ geology second of three internationally defined stages of the Mississippian Subsystem (Mississippian Subperiod), Carboniferous System (Carboniferous Period), encompassing all rocks deposited during the Viséan Age (345.3 to 326.4 million… … Universalium
Viséan — … Useful english dictionary
Massif Central (geology) — The Massif Central forms together with the Armorican Massif (Brittany and Normandy) one of the two big basement massifs in France. Its geological evolution started in the late Neoproterozoic and continues to this day. It has been shaped mainly by … Wikipedia
Mississippian — For other uses, see Mississippian (disambiguation). Not to be confused with the Mississippian period describing the dominance of the Mississippian culture. System Subsystem/ Series Stage Age (Ma) Permian Cisuralian Asselian … Wikipedia
Rundle Group — Stratigraphic range: Middle to Late Mississippian … Wikipedia
Carboniferous — For the album by Zu see Carboniferous (album). Carboniferous Period 359.2–299 million years ago … Wikipedia
Geology of the Iberian Peninsula — The geology of the Iberian Peninsula consists of the study of the rock formations on the Iberian Peninsula, which includes Spain, Portugal, Andorra, and Gibraltar. The peninsula contains rocks from every age from Ediacaran to Recent, and almost… … Wikipedia
Namurian — System Series (NW Europe) Stage (NW Europe) Series (ICS) Stage (ICS) Age (Ma) Permian younger Carboniferous Silesian St … 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
Pennsylvanian — This article is about the geologic subperiod. For passenger train, see Pennsylvanian (Amtrak). System Subsystem/ Series Stage Age (Ma) Permian Cisuralian Asselian younger … Wikipedia
