Tremadoc Oldest (510–493 Ma) of the six stages that comprise the Ordovician Period. Mudstones and sandstones of the Tremadoc Series occur in N. America, Ireland, Wales, England, and Scandinavia. They mark the continental shelf and slope areas that occur on the southern edge of the northern Iapetus Ocean.
More From encyclopedia.com
Iapetus Ocean , Iapetus Ocean (proto-Atlantic) The late Precambrian and early Palaeozoic ocean that lay between Baltica and Laurentia. The oceanic crust and upper ma… John Hume , Hume, John Northern Irish statesman John Hume became a social activist and political leader in his native Northern Ireland to resolve the religious p… Paleotethys , Palaeotethys There is confusion over the relationship between Tethys (or Neotethys) and Palaeotethys. Some authors refer to the existence of a late P… Ulster , Ulster Ulster. The northern province of Ireland, comprising the counties of Antrim, Down, Armagh, Cavan, Monaghan, Fermanagh, Donegal, Tyrone, and Lo… Antarctic Ocean , Antarctic Ocean Northern Ireland , Northern Ireland, division of the United Kingdom of Great Britain and Northern Ireland (2011 pop. 1,810,863), 5,462 sq mi (14,147 sq km), NE Ireland.…
About this article
Updated About encyclopedia.com content Print Article
You Might Also Like