Search results
Results From The WOW.Com Content Network
Laurentia basement rocks. Laurentia or the North American Craton is a large continental craton that forms the ancient geological core of North America.Many times in its past, Laurentia has been a separate continent, as it is now in the form of North America, although originally it also included the cratonic areas of Greenland and the Hebridean Terrane in northwest Scotland.
1892 map of South America Animation showing geographic evolution of European colonies and breakaway states in South America, 1700 to present Contemporary political map of South America The history of South America is the study of the past, particularly the written record, oral histories, and traditions, passed down from generation to generation ...
Vinland was the name given to part of North America by the Icelandic Norseman Leif Eriksson, about 1000 AD. It was also spelled Winland, [4] as early as Adam of Bremen's Descriptio insularum Aquilonis ("Description of the Northern Islands", ch. 39, in the 4th part of Gesta Hammaburgensis ecclesiae pontificum), written circa 1075.
It has the useful properties that all points on the map are at proportionally correct distances from the center point, and that all points on the map are at the correct azimuth (direction) from the center point. A useful application for this type of projection is a polar projection which shows all meridians (lines of longitude) as straight ...
The exploration of North America by European sailors and geographers was an effort by major European powers to map and explore the continent with the goal of economic, religious and military expansion. The combative and rapid nature of this exploration is the result of a series of countering actions by neighboring European nations to ensure no ...
The North American Arctic is composed of the northern polar regions of Alaska (USA), Northern Canada and Greenland. Major bodies of water include the Arctic Ocean, Hudson Bay, the Gulf of Alaska and North Atlantic Ocean. The North American Arctic lies above the Arctic Circle. It is part of the Arctic, which is the northernmost region on Earth.
Like many search engines and web directories, Yahoo added a web portal, putting it in competition with services including Excite, Lycos, and America Online. [26] By 1998, Yahoo was the most popular starting point for web users, [27] and the human-edited Yahoo Directory the most popular search engine, [15] receiving 95 million page views per day ...
The term originally derives from the early fourteenth century sense of trade (in late Middle English) still often meaning "path" or "track". [2] The Portuguese recognized the importance of the trade winds (then the volta do mar, meaning in Portuguese "turn of the sea" but also "return from the sea") in navigation in both the north and south Atlantic Ocean as early as the 15th century. [3]