contact aureole

См. также в других словарях:

• contact aureole — /kɒntækt ˈɔrioʊl/ (say kontakt awreeohl) noun → aureole (def. 4) …  

• auréole — [ ɔreɔl ] n. f. • auriole fin XIIIe; lat. ecclés. (corona) aureola « (couronne) d or » 1 ♦ Cercle doré ou coloré dont les peintres entourent la tête de Jésus Christ, de la Vierge et des saints. ⇒ nimbe. Par métaph. Une auréole de cheveux blonds.… …   Encyclopédie Universelle

• contact — [ kɔ̃takt ] n. m. • 1586; didact. av. XIXe; lat. contactus, rac. tangere « toucher » → tact 1 ♦ Position, état relatif de corps qui se touchent. Contact fugitif, prolongé. Certaines maladies se communiquent par contact direct. ⇒ contagieux.… …   Encyclopédie Universelle

• aureole — /ˈɒrioʊl / (say oreeohl), /ˈɔ / (say aw ) noun 1. a radiance surrounding the head or the whole figure in the representation of a sacred personage. 2. any encircling ring of light or colour; a halo. 3. Astronomy → corona (defs 1 and 2). 4. Geology …  

• contact zone — /ˈkɒntækt zoʊn/ (say kontakt zohn) noun → aureole (def. 4) …  

• AURÉOLES DE CONTACT — Zones concentriques de roches métamorphiques enveloppant un massif magmatique intrusif. Ce dernier, lors de sa mise en place à haute température et de son refroidissement, chauffe les roches encaissantes et détermine ainsi l’apparition d’un… …   Encyclopédie Universelle

• Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… …   Wikipedia

• Metamorphic zone — Schematic map of a terrane with an increasing metamorphic grade. There are two folded lithologies: quartzite (originally sandy sediment) and pelite (originally clayy sediment). The index minerals can only grow in the pelite. The highest indicated …   Wikipedia

• Geology of the Australian Capital Territory — Australia grew around three fused pieces of very ancient continental crust (cratons). The geology of the Australian Capital Territory includes rocks dating from the Ordovician around 480 million years ago, whilst most rocks are from the Silurian …   Wikipedia

• metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

• Metamorphism — For other uses, see Metamorphism (disambiguation). Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals… …   Wikipedia