- Magma parent
-
Encyclopédie Universelle. 2012.
● Magma parent magma dont l'évolution a fourni une grande variété de roches voisines.
Encyclopédie Universelle. 2012.
parent — parent, ente [ parɑ̃, ɑ̃t ] n. et adj. • Xe; lat. parens, entis A ♦ Plur. LES PARENTS. 1 ♦ Le père et la mère. ⇒ procréateur; plaisant géniteur (cf. pop. Les vieux). La relation parents enfants. Parents indignes, dénaturés … Encyclopédie Universelle
parenté — [ parɑ̃te ] n. f. • 1155 n. m.; parentet « famille, lignage » 1050; lat. pop. °parentatus, de parens I ♦ 1 ♦ Rapport entre personnes descendant les unes des autres (⇒ ascendance, descendance, filiation, origine), ou d un ancêtre commun (⇒… … Encyclopédie Universelle
MAGMATIQUES (ROCHES) — Les roches magmatiques sont des roches endogènes, c’est à dire ayant pris naissance à l’intérieur de la Terre. Les unes sont issues de matières fondues, ou «magmas», qui ont fait éruption à la surface: ce sont les roches volcaniques . Les autres… … Encyclopédie Universelle
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or … Universalium
mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… … Universalium
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Primus Canada — Primus Telecommunications Canada Inc. Industry Telecommunications Founded 1997 Headquarters Toronto, Ontario, Canada Key people … Wikipedia