aureole

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aureole,

in art: see nimbusnimbus
, in art, the luminous disk or circle or other indication of light around the head of a sacred personage. It was used in Buddhist and other Asian art and by the early Greeks and Romans to designate gods and heroes and appeared in Christian art in the 5th cent.
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aureole

(ôr`ēōl'), in physics, luminous circle seen when the sun or other bright light is observed through a diffuse medium, i.e., smoke, thin cloud, fog, haze, or mist. It sometimes occurs as a series of concentric circles. The aureole results from the dispersion of light by particles of dust or water. Because of the refraction of the light waves, it exhibits color in varying intensities. In geology, an aureole zone is where rocks show the effect of contacting intruding, hot igneous rock, also called contact metamorphismmetamorphism,
in geology, process of change in the structure, texture, or composition of rocks caused by agents of heat, deforming pressure, shearing stress, hot, chemically active fluids, or a combination of these, acting while the rock being changed remains essentially in the
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aureole

[′ȯr·ē‚ōl]
(geology)
A ring-shaped contact zone surrounding an igneous intrusion. Also known as contact aureole; contact zone; exomorphic zone; metamorphic aureole; metamorphic zone; thermal aureole.
(meteorology)
A poorly developed corona in the atmosphere characterized by a bluish-white disk immediately around the luminous celestial body, as around the sun or moon in the fog.

aureole

A pointed oval frame or glory around the head or body of a sacred figure; the radiance surrounding it. (See illustration p. 66.)

aureole

, aureola
1. (esp in paintings of Christian saints and the deity) a border of light or radiance enveloping the head or sometimes the whole of a figure represented as holy
2. another name for corona
References in periodicals archive ?
Contact metamorphic aureoles that overprint siliceous dolomite-bearing carbonates are divided into two categories: those aureoles that, at the peak of high-grade metamorphism, contained periclase-forsterite-calcite and those that contained dolomite-forsterite-calcite (no periclase) assemblages.
Such settings coincide with the highest metamorphic grade of metamorphic aureoles (near intrusive-carbonate contacts and along nearby fault and fracture zones), where the hydrothermal fluid travels quickly without cooling down because of its reactions with the host rock.
Although brucite is relatively widespread as an accessory mineral in a variety of rock types, Mg-rich carbonate horizons within contact metamorphic aureoles have the best exploration potential.
The Ubehebe Peak contact aureole, in California, USA (Fig.
1996b, Prograde and retrograde fluid flow during contact metamorphism of siliceous carbonate rocks from the Ballachulish aureole, Scotland: Contribution to Mineralogy and Petrology, v.
Elles sont d'ailleurs davantage dependantes de la ville centrale que les deux aureoles qui fournissent plus d'emplois a leur population active respective (ratio de 0,66 et 0,76 pour les aureoles Nord et Sud).
Laval se demarque aussi avec une prestation fort positive, tandis que les aureoles Nord et Sud ainsi que Longueuil et Montreal ont saisi une part moins importante des nouveaux emplois que ce qu'elles pouvaient esperer.
La situation s'avere autrement dans les aureoles Nord et Sud.
TABLEAU 1 Localisation des differentes MRC en milieu periurbain Aureole Nord Sud Argenteuil Bas-Richilieu D' Autray Beauhamois-Salaberry * Joliette Haut St-Laurent L' Assomption * Haut-Richelieu Laurentides Lajemmerais * Montcalm Les Jardins de Napierville Pays d'en haut Les Maskoutains Riviere du Nord Rouville * Vallee du Richelieu * Vaudreuil-Soulanges TABLEAU 2 Part des zones, grande region de Montreal, 1996-2001 (%) Population 1996 2001 +/- RMR 84.
Leur mission ne sera pas aisee devant des Usmistes aureoles de leur succes, mardi, lors de la mise a jour, sur l'ESS (1-0).
Tout aureoles par leur dernier succes en championnat face a l'USMH (1-0), les Mouloudeens auront a coeur de boucler l'annee 2012 par une qualification au prochain tour de l'epreuve populaire.