Alpha Ridge — For a ridge in Alaska, see Alpha Ridge, Alaska The Alpha Ridge is a major volcanic ridge under the Arctic Ocean between the Canada Basin (off Ellesmere Island) and the Lomonosov Ridge. It was active during the formation of the Amerasian Basin. It … Wikipedia
Alpha — may refer to:The Greek letter alphaAlpha (letter), a letter in the Greek alphabet. α may be used as the symbol for: *Alpha channel, describing transparency and opacity in computer graphics *Angle of attack in aerodynamics *Common base current… … Wikipedia
Alpha (Homonymie) — Pour l’article homophone, voir ALFA. Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom … Wikipédia en Français
Alpha (homonymie) — Pour l’article homophone, voir ALFA. Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « Alpha (homonymie) … Wikipédia en Français
Arctic Ocean — an ocean N of North America, Asia, and the Arctic Circle. ab. 5,540,000 sq. mi. (14,350,000 sq. km). * * * Arctic Ocean Introduction Arctic Ocean Background: The Arctic Ocean is the smallest of the world s five oceans (after the Pacific Ocean,… … Universalium
Arctic Ocean — Arctic Sea redirects here. For the cargo ship, see MV Arctic Sea. The Arctic Ocean Earth s oceans (World Ocean) … Wikipedia
Volcanism in Canada — Canada has examples of almost every type of volcano found on earth, including stratovolcanoes, calderas, cinder cones, shield volcanoes, maars, submarine volcanoes and tuyas. Most of Canada s volcanoes are located in British Columbia. Several… … Wikipedia
arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… … Universalium
Amerasian Basin — Main bathymetric/topographic features of the Arctic Ocean The Amerasian Basin is one of the two major basins into which the North Polar Basin of the Arctic Ocean is split by the Lomonosov Ridge (the other one being the Eurasian Basin). It extends … Wikipedia
Large igneous province — Only a few of the largest Large Igneous Provinces are indicated (by the dark purple areas) on this geological map, which depicts crustal geologic provinces as seen in seismic refraction data. A Large Igneous Province (LIP) is an extremely large… … Wikipedia