magmatism
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magmatism — MAGMATÍSM s.n. Totalitatea proceselor legate de apariţia, deplasarea şi consolidarea magmei în scoarţa Pământului. – Din fr. magmatism. Trimis de claudia, 13.09.2007. Sursa: DEX 98 magmatísm s. n. Trimis de siveco, 10.08.2004. Sursa: Dicţionar… … Dicționar Român
Magmatism — The formation of igneous rocks from magma is known as Magmatism. Magmatism is a process responsible for mountain formation. The process of magmatism produces an additional mass and volume to the Earth’s surface. For example the formation of… … Wikipedia
magmatism — noun Geology the motion or activity of magma … English new terms dictionary
magmatism — magˈmatism noun • • • Main Entry: ↑magma … Useful english dictionary
Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… … Wikipedia
Circum-Superior Belt — Map of cratons, orogenies and the Circum Superior Belt. Areas associated with the Circum Superior Belt include … Wikipedia
Pilbara craton — The Pilbara craton (the Pilbara province in northwest Western Australia), along with the Kaapvaal craton (the Kaapvaal province of South Africa) are the only remaining areas of pristine Archaean 3.6 2.7 Ga crust on Earth. Similarities of their… … Wikipedia
Asia — /ay zheuh, ay sheuh/, n. a continent bounded by Europe and the Arctic, Pacific, and Indian oceans. 2,896,700,000; ab. 16,000,000 sq. mi. (41,440,000 sq. km). * * * I Largest continent on Earth. It is bounded by the Arctic Ocean, the Pacific Ocean … Universalium
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium
Ultramafic to mafic layered intrusions — are found in typically ancient cratons and are rare but worldwide in distribution. The intrusive complexes exhibit evidence of fractional crystallization and crystal segregation by settling or floating of minerals from a melt. Ideally the… … Wikipedia
