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HALOES [14 records]
Record 1 - internal organization data 2014-04-09
Record 1, English
Record 1, Subject field(s)
- Chemistry
Record 1, Main entry term, English
- crystallinity
1, record 1, English, crystallinity
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The scattering patterns of crystalline polymers also contain the haloes characteristic of the amorphous structure. In fact, the latter materials are semi-crystalline polymers : they contain both crystalline and amorphous regions. The degree of crystallinity(%) is very important to the bulk properties. 2, record 1, English, - crystallinity
Record 1, French
Record 1, Domaine(s)
- Chimie
Record 1, Main entry term, French
- cristallinité
1, record 1, French, cristallinit%C3%A9
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Qualité d'une substance dans laquelle tout ou partie des atomes, groupes d'atomes ou molécules qui la composent sont disposés dans l'espace de manière régulière et répétitive, comme c'est le cas dans un cristal. 2, record 1, French, - cristallinit%C3%A9
Record number: 1, Textual support number: 1 OBS
cristallinité : terme et définition publiés au Journal officiel de la République française le 2 septembre 2010. 3, record 1, French, - cristallinit%C3%A9
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
Record 1, Main entry term, Spanish
- cristalinidad
1, record 1, Spanish, cristalinidad
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Presencia de un ordenamiento tridimensional en el nivel de las dimensiones moleculares. 2, record 1, Spanish, - cristalinidad
Record 2 - internal organization data 2008-09-09
Record 2, English
Record 2, Subject field(s)
- Erosion and Weathering (Geol.)
- Radioactive Ores (Mining)
- Geochemistry
Record 2, Main entry term, English
- pleochroic halo
1, record 2, English, pleochroic%20halo
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- radiation-damage halo 2, record 2, English, radiation%2Ddamage%20halo
correct, see observation
- radiation damage halo 3, record 2, English, radiation%20damage%20halo
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Minute, concentric-spherical zones of darkening or coloring that form around inclusions of radioactive minerals in biotite, chlorite, and a few other minerals. 4, record 2, English, - pleochroic%20halo
Record number: 2, Textual support number: 1 OBS
Plural : pleochroic haloes; radiation(-) damage haloes. 5, record 2, English, - pleochroic%20halo
Record number: 2, Textual support number: 2 OBS
radiation-damage halo: term used at Natural Resources Canada - Earth Sciences Sector. 5, record 2, English, - pleochroic%20halo
Record 2, Key term(s)
- pleochroic haloes
- radiation damage haloes
Record 2, French
Record 2, Domaine(s)
- Érosion et corrosion (Géologie)
- Minerais radioactifs (Mines métalliques)
- Géochimie
Record 2, Main entry term, French
- auréole pléochroïque
1, record 2, French, aur%C3%A9ole%20pl%C3%A9ochro%C3%AFque
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- halo pléochroïque 2, record 2, French, halo%20pl%C3%A9ochro%C3%AFque
correct, see observation, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Des auréoles pléochroïques dans la biotite indiquent la présence de minéraux radioactifs tels que la monazite et le zircon, lesquels sont à l'origine des concentrations élevées en thorium. 3, record 2, French, - aur%C3%A9ole%20pl%C3%A9ochro%C3%AFque
Record number: 2, Textual support number: 1 OBS
halo pléochroïque : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 4, record 2, French, - aur%C3%A9ole%20pl%C3%A9ochro%C3%AFque
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2007-10-23
Record 3, English
Record 3, Subject field(s)
- Petrography
- Mineralogy
Record 3, Main entry term, English
- mineral assemblage
1, record 3, English, mineral%20assemblage
correct, see observation
Record 3, Abbreviations, English
Record 3, Synonyms, English
- mineral association 2, record 3, English, mineral%20association
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
The minerals that compose a rock, especially an igneous or metamorphic rock. 3, record 3, English, - mineral%20assemblage
Record number: 3, Textual support number: 1 CONT
Many alteration haloes show a zonation of mineral assemblages resulting from the changing nature of the hydrothermal solution as it passes through the wall rocks.... The different wall rock alteration mineral assemblages can be compared with metamorphic facies... 4, record 3, English, - mineral%20assemblage
Record number: 3, Textual support number: 1 OBS
The term [mineral assemblage] includes the different kinds and relative abundance of minerals, but excludes the texture and fabric of the rock. 3, record 3, English, - mineral%20assemblage
Record number: 3, Textual support number: 2 OBS
mineral assemblage: term used at Natural Resources Canada - Earth Sciences Sector. 5, record 3, English, - mineral%20assemblage
Record number: 3, Textual support number: 1 PHR
Aluminous, peraluminous mineral assemblage. 6, record 3, English, - mineral%20assemblage
Record 3, French
Record 3, Domaine(s)
- Pétrographie
- Minéralogie
Record 3, Main entry term, French
- association minéralogique
1, record 3, French, association%20min%C3%A9ralogique
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- association minérale 2, record 3, French, association%20min%C3%A9rale
correct, feminine noun
- association de minéraux 3, record 3, French, association%20de%20min%C3%A9raux
correct, see observation, feminine noun
- assemblage de minéraux 4, record 3, French, assemblage%20de%20min%C3%A9raux
correct, masculine noun
- assemblage minéral 5, record 3, French, assemblage%20min%C3%A9ral
correct, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Ensemble des minéraux qui constituent une roche [métamorphique]. 6, record 3, French, - association%20min%C3%A9ralogique
Record number: 3, Textual support number: 1 CONT
Les roches volcaniques acides (rhyolites) qui dérivent de la cristallisation en surface [des magmas calco-alcalins hyperalumineux] sont caractérisées par des associations minéralogiques tout à fait exceptionnelles : le grenat, la cordiérite, la sillimanite et le graphite y sont abondants. 7, record 3, French, - association%20min%C3%A9ralogique
Record number: 3, Textual support number: 2 CONT
Il a déjà été question d'associations de minéraux à propos des filons de quartz. [...] le quartz est un minéral résistant et apparent auquel s'associent souvent des minéraux de valeur. [...] Le prospecteur doit tâcher de se rappeler le plus possible les associations minéralogiques mentionnées dans [différents ouvrages] sur la minéralogie et les gîtes minéraux. 8, record 3, French, - association%20min%C3%A9ralogique
Record number: 3, Textual support number: 3 CONT
Gisements associés à des roches volcaniques [...] Dans les associations minérales, la fluorite domine sur la barytine et la withérite. Des sulfures - pyrite, sphalérite, galène - apparaissent également. 9, record 3, French, - association%20min%C3%A9ralogique
Record number: 3, Textual support number: 4 CONT
Roches magmatiques et métamorphiques. Ces roches étant généralement formées par un assemblage de minéraux, leur vulnérabilité à l'altération est fonction à la fois de celle des minéraux et de la structure de la roche. 10, record 3, French, - association%20min%C3%A9ralogique
Record number: 3, Textual support number: 1 OBS
association de minéraux : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 11, record 3, French, - association%20min%C3%A9ralogique
Record number: 3, Textual support number: 1 PHR
Association de minéraux alumineux, peralumineux. 12, record 3, French, - association%20min%C3%A9ralogique
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Petrografía
- Mineralogía
Record 3, Main entry term, Spanish
- asociación mineral
1, record 3, Spanish, asociaci%C3%B3n%20mineral
feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2005-07-25
Record 4, English
Record 4, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 4, Main entry term, English
- Parry arcs
1, record 4, English, Parry%20arcs
correct, plural
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
A class of haloes appearing as faintly coloured arcs above and below the Sun. 2, record 4, English, - Parry%20arcs
Record number: 4, Textual support number: 1 CONT
Parry arcs ... are refraction phenomena produced by ice crystals which exhibit a preferred orientation and are therefore more unusual than phenomena produced by randomly oriented crystals. 2, record 4, English, - Parry%20arcs
Record number: 4, Textual support number: 2 CONT
Parry arcs were named after Sir William Edward Parry (1790 - 1855) who searched for the Northwest passage and described many halos. Parry arcs are rare. There are sunvex and suncave Parry arc visible as thin coloured bows touching the circumscribed halo. Their shape changes with solar elevation. 3, record 4, English, - Parry%20arcs
Record 4, Key term(s)
- Parry arc
Record 4, French
Record 4, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 4, Main entry term, French
- arcs de Parry
1, record 4, French, arcs%20de%20Parry
correct, masculine noun, plural
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Classe de halos apparaissant comme des arcs faiblement colorés au-dessus et au-dessous du Soleil. 2, record 4, French, - arcs%20de%20Parry
Record number: 4, Textual support number: 1 CONT
arcs de Parry. [...] Ce sont des phénomènes de réfraction produits par des cristaux de glace à orientation préférentielle et, par conséquent, on les observe plus rarement que les phénomènes produits par des cristaux orientés de façon aléatoire. 2, record 4, French, - arcs%20de%20Parry
Record 4, Key term(s)
- arc de Parry
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Fenómenos meteorológicos, climáticos y atmosféricos
Record 4, Main entry term, Spanish
- arcos de Parry
1, record 4, Spanish, arcos%20de%20Parry
correct, masculine noun, plural
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 DEF
Clase de halos que aparecen por encima y por debajo del Sol como arcos débilmente coloreados. 1, record 4, Spanish, - arcos%20de%20Parry
Record number: 4, Textual support number: 1 CONT
arcos de Parry: [...] fenómeno de refracción que se produce por cristales de hielo que se orientan en cierta dirección, lo cual es menos frecuente que una orientación aleatoria de los cristales de hielo. 1, record 4, Spanish, - arcos%20de%20Parry
Record 4, Key term(s)
- arco de Parry
Record 5 - internal organization data 2005-03-29
Record 5, English
Record 5, Subject field(s)
- Geochemical Prospecting
- Geochemistry
- Geological Research and Exploration
Record 5, Main entry term, English
- dispersion halo
1, record 5, English, dispersion%20halo
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A region surrounding an ore deposit in which the ore-metal concentration is intermediate between that of the ore and that of the country rock. 2, record 5, English, - dispersion%20halo
Record number: 5, Textual support number: 1 CONT
Geochemical surveys can be used to indicate the presence of dispersion haloes in residual soils, and anomalous contents of elements... in stream and lake bottom sediments indicative of the polymetallic elemental assemblages. 3, record 5, English, - dispersion%20halo
Record number: 5, Textual support number: 1 PHR
Primary, secondary dispersion halo. 4, record 5, English, - dispersion%20halo
Record 5, French
Record 5, Domaine(s)
- Prospection géochimique
- Géochimie
- Recherches et prospections géologiques
Record 5, Main entry term, French
- auréole de dispersion
1, record 5, French, aur%C3%A9ole%20de%20dispersion
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- halo de dispersion 2, record 5, French, halo%20de%20dispersion
correct, masculine noun
- auréole de dissémination 3, record 5, French, aur%C3%A9ole%20de%20diss%C3%A9mination
correct, feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Les méthodes lithogéochimiques sont fondées sur la mise en évidence d'auréoles de dispersion primaires de gisements ou de corps minéralisés, ainsi que de leurs auréoles secondaires et traînées de dispersion. 3, record 5, French, - aur%C3%A9ole%20de%20dispersion
Record number: 5, Textual support number: 2 CONT
[...] la minéralisation est affectée par l'altération latéritique dans les dix derniers mètres, l'or étant dissous avec perte de l'argent à partir de la surface des grains. Le halo de dispersion peut s'étendre à 100 mètres de la source et présenter des contours en «champignons». 4, record 5, French, - aur%C3%A9ole%20de%20dispersion
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2005-03-22
Record 6, English
Record 6, Subject field(s)
- Soil Science
Record 6, Main entry term, English
- residual soil
1, record 6, English, residual%20soil
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
Soil formed from, or resting on, consolidated rock of the same kind as that from which it was formed and in the same location. 2, record 6, English, - residual%20soil
Record number: 6, Textual support number: 1 CONT
Geochemical surveys can be used to indicate the presence of dispersion haloes in residual soils... 3, record 6, English, - residual%20soil
Record 6, French
Record 6, Domaine(s)
- Science du sol
Record 6, Main entry term, French
- sol résiduel
1, record 6, French, sol%20r%C3%A9siduel
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- sol autochtone 2, record 6, French, sol%20autochtone
masculine noun
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Sol reposant sur de la roche consolidée de la même espèce que celle dont il s'est formé, et située au même endroit. 3, record 6, French, - sol%20r%C3%A9siduel
Record number: 6, Textual support number: 1 CONT
Les levés géochimiques peuvent révéler la présence de halos de dispersion dans les sols résiduels [...] 4, record 6, French, - sol%20r%C3%A9siduel
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Ciencia del suelo
Record 6, Main entry term, Spanish
- suelo autóctono
1, record 6, Spanish, suelo%20aut%C3%B3ctono
correct, masculine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
- suelo residual 2, record 6, Spanish, suelo%20residual
masculine noun
Record 6, Textual support, Spanish
Record number: 6, Textual support number: 1 DEF
Terreno formado por disgregación [en el mismo lugar]. 2, record 6, Spanish, - suelo%20aut%C3%B3ctono
Record 7 - internal organization data 2005-03-07
Record 7, English
Record 7, Subject field(s)
- Metals Mining
- Erosion and Weathering (Geol.)
- Geological Research and Exploration
- Geochemistry
Record 7, Main entry term, English
- alteration envelope
1, record 7, English, alteration%20envelope
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
- alteration aureole 2, record 7, English, alteration%20aureole
correct
- alteration halo 1, record 7, English, alteration%20halo
correct
- halo of alteration 3, record 7, English, halo%20of%20alteration
correct
Record 7, Textual support, English
Record number: 7, Textual support number: 1 CONT
The ... different types of alteration commonly combine to form zoned alteration envelopes ... The zoning, mineralogy and dimensions of the alteration envelopes vary according to the composition of the host lithology. 4, record 7, English, - alteration%20envelope
Record number: 7, Textual support number: 2 CONT
The bulk of the copper in the skarn was deposited in veinlets which cut the andradite-diopside rocks. The alteration envelopes along these veins contain actinolite-calcite-quartz-nontronite assemblages. 5, record 7, English, - alteration%20envelope
Record number: 7, Textual support number: 3 CONT
Many alteration haloes show a zonation of mineral assemblages resulting from the changing nature of the hydrothermal solution as it passes through the wall rocks. 5, record 7, English, - alteration%20envelope
Record number: 7, Textual support number: 4 CONT
Alteration haloes are developed in the wall rocks along the veins as narrow(less than 10 centimetres) zones of calcite, chlorite, epidote, K-feldspar, muscovite and anatase. 4, record 7, English, - alteration%20envelope
Record 7, French
Record 7, Domaine(s)
- Mines métalliques
- Érosion et corrosion (Géologie)
- Recherches et prospections géologiques
- Géochimie
Record 7, Main entry term, French
- halo d'altération
1, record 7, French, halo%20d%27alt%C3%A9ration
correct, masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
- auréole d'altération 2, record 7, French, aur%C3%A9ole%20d%27alt%C3%A9ration
correct, feminine noun
Record 7, Textual support, French
Record number: 7, Textual support number: 1 CONT
Il est [...] possible que certains «halos» [...] d'altération soient en réalité des fronts de drainage ou de sécrétion latérale vers des cassures, que d'autres soient dus à la diagenèse [...] 3, record 7, French, - halo%20d%27alt%C3%A9ration
Record number: 7, Textual support number: 2 CONT
Auréole d'altération minéralogique. 3, record 7, French, - halo%20d%27alt%C3%A9ration
Record number: 7, Textual support number: 1 OBS
Les corps métallifères [...] peuvent ne pas être visibles à la surface du sol. C'est à l'aide de guides géologiques que l'on soupçonne alors la présence d'une masse minéralisée. Ainsi les altérations en halos autour des minéralisations, la paléogéographie, les contacts avec les granites [...] sont autant de guides qu'il faut savoir exploiter pour découvrir du minerai. 4, record 7, French, - halo%20d%27alt%C3%A9ration
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2005-01-07
Record 8, English
Record 8, Subject field(s)
- Mineralogy
- Erosion and Weathering (Geol.)
- Geochemistry
Record 8, Main entry term, English
- alteration mineral assemblage
1, record 8, English, alteration%20mineral%20assemblage
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- alteration assemblage 2, record 8, English, alteration%20assemblage
correct
Record 8, Textual support, English
Record number: 8, Textual support number: 1 CONT
Several fundamental types of alteration can be distinguished and these generally combine to form zoned alteration haloes at the deposit or the vein scale. The various alteration assemblages have been generally superimposed on previously metamorphosed rocks. 3, record 8, English, - alteration%20mineral%20assemblage
Record number: 8, Textual support number: 2 CONT
The different wall rock alteration mineral assemblages can be compared with metamorphic facies as, like these, they are formed in response to various pressure, temperature and compositional changes. 4, record 8, English, - alteration%20mineral%20assemblage
Record number: 8, Textual support number: 1 PHR
Hydrothermal alteration assemblage. 5, record 8, English, - alteration%20mineral%20assemblage
Record 8, French
Record 8, Domaine(s)
- Minéralogie
- Érosion et corrosion (Géologie)
- Géochimie
Record 8, Main entry term, French
- paragenèse d'altération
1, record 8, French, paragen%C3%A8se%20d%27alt%C3%A9ration
correct, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
- association de minéraux d'altération 1, record 8, French, association%20de%20min%C3%A9raux%20d%27alt%C3%A9ration
correct, feminine noun
- association minérale d'altération 1, record 8, French, association%20min%C3%A9rale%20d%27alt%C3%A9ration
correct, feminine noun
Record 8, Textual support, French
Record number: 8, Textual support number: 1 CONT
Dans certains gîtes, les paragenèses d'altération présentent une zonalité, à la fois latérale et verticale [...] 1, record 8, French, - paragen%C3%A8se%20d%27alt%C3%A9ration
Record number: 8, Textual support number: 2 CONT
[...] les associations de minéraux d'altération se sont superposées à celles de roches antérieurement métamorphisées [...] 1, record 8, French, - paragen%C3%A8se%20d%27alt%C3%A9ration
Record number: 8, Textual support number: 1 PHR
Paragenèse d'altération hydrothermale. 1, record 8, French, - paragen%C3%A8se%20d%27alt%C3%A9ration
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 2004-09-13
Record 9, English
Record 9, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 9, Main entry term, English
- upper tangent arc
1, record 9, English, upper%20tangent%20arc
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 CONT
The above photo shows a halo phenomenon known as the upper tangent arc. When cirrus clouds contain columnar ice crystals aligned so that their axes are all in a horizontal direction, this type of arc may be produced. A characteristic of this arc-shaped patch of light is that it’s directly above the Sun (it bends upward away from the Sun), and it’s approximately 22 degrees away from the Sun itself - about 2 fists held at arms length. 1, record 9, English, - upper%20tangent%20arc
Record number: 9, Textual support number: 2 CONT
The 22° halo is most common, but other halo forms are sometimes seen. The tangent arcs to the 22° halo can appear if the sun's declination is less than 32°. One is called the lower tangent arc to the 22° halo, and the other is the upper tangent arc to the 22° halo. The shape of these tangent haloes depends upon the sun's declination. If the sun is close to the horizon, the two upper arcs angle sharply away from the 22° halo. As the sun rises higher in the sky, the tangent arcs move toward the 22° halo. When the sun's declination reaches 32°above the horizon, the lower and upper tangent arcs make contact, and the resulting ring is called the circumscribed halo. It touches the 22° halo above and beneath the sun. When the sun is just above 32°the circumscribed halo resembles a double oval. As the sun rises higher it becomes increasingly circular and draws nearer to the 22° halo. When the sun's declination exceeds 70°, the circumscribed arc nearly coincides with the 22° halo. 2, record 9, English, - upper%20tangent%20arc
Record 9, French
Record 9, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 9, Main entry term, French
- arc tangent supérieur
1, record 9, French, arc%20tangent%20sup%C3%A9rieur
correct, masculine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
- arc supérieur tangent 2, record 9, French, arc%20sup%C3%A9rieur%20tangent
correct, masculine noun
Record 9, Textual support, French
Record number: 9, Textual support number: 1 CONT
Un peu au-dessus ou au-dessous de l'astre lumineux [soleil], à la distance de 22 degrés, on peut fréquemment voir des arcs supérieurs et inférieurs tangents au petit anneau. En fait, on observe plus souvent les arcs supérieurs; ils ont souvent de belles couleurs. [...] Sur l'image suivante, on voit un arc tangent supérieur. 2, record 9, French, - arc%20tangent%20sup%C3%A9rieur
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 2004-09-13
Record 10, English
Record 10, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 10, Main entry term, English
- lower tangent arc
1, record 10, English, lower%20tangent%20arc
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 CONT
The 22° halo is most common, but other halo forms are sometimes seen. The tangent arcs to the 22° halo can appear if the sun's declination is less than 32°. One is called the lower tangent arc to the 22° halo, and the other is the upper tangent arc to the 22° halo. The shape of these tangent haloes depends upon the sun's declination. If the sun is close to the horizon, the two upper arcs angle sharply away from the 22° halo. As the sun rises higher in the sky, the tangent arcs move toward the 22° halo. When the sun's declination reaches 32°above the horizon, the lower and upper tangent arcs make contact, and the resulting ring is called the circumscribed halo. It touches the 22° halo above and beneath the sun. When the sun is just above 32°the circumscribed halo resembles a double oval. As the sun rises higher it becomes increasingly circular and draws nearer to the 22° halo. When the sun's declination exceeds 70°, the circumscribed arc nearly coincides with the 22° halo. 1, record 10, English, - lower%20tangent%20arc
Record 10, French
Record 10, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 10, Main entry term, French
- arc tangent inférieur
1, record 10, French, arc%20tangent%20inf%C3%A9rieur
correct, masculine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
- arc inférieur tangent 2, record 10, French, arc%20inf%C3%A9rieur%20tangent
correct, masculine noun
Record 10, Textual support, French
Record number: 10, Textual support number: 1 CONT
Un peu au-dessus ou au-dessous de l'astre lumineux [soleil], à la distance de 22 degrés, on peut fréquemment voir des arcs supérieurs et inférieurs tangents au petit anneau. 2, record 10, French, - arc%20tangent%20inf%C3%A9rieur
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 2004-05-05
Record 11, English
Record 11, Subject field(s)
- Geochemistry
- Geological Prospecting
- Geological Research and Exploration
Record 11, Main entry term, English
- geochemical survey
1, record 11, English, geochemical%20survey
correct
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 DEF
The mapping of geochemical facies. 2, record 11, English, - geochemical%20survey
Record number: 11, Textual support number: 1 CONT
Geochemical surveys can be used to indicate the presence of dispersion haloes in residual soils, and anomalous contents of elements in stream and lake bottom sediments... 3, record 11, English, - geochemical%20survey
Record number: 11, Textual support number: 2 CONT
Geochemical surveys for associated elements or gold itself that may indicate anomalous areas. 3, record 11, English, - geochemical%20survey
Record number: 11, Textual support number: 3 CONT
Geochemical surveys of lake water or till can effectively locate the peralkaline rocks likely to host deposits. 4, record 11, English, - geochemical%20survey
Record 11, French
Record 11, Domaine(s)
- Géochimie
- Prospection géologique
- Recherches et prospections géologiques
Record 11, Main entry term, French
- levé géochimique
1, record 11, French, lev%C3%A9%20g%C3%A9ochimique
correct, masculine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
- lever géochimique 2, record 11, French, lever%20g%C3%A9ochimique
correct, masculine noun
- relevé géochimique 3, record 11, French, relev%C3%A9%20g%C3%A9ochimique
masculine noun, less frequent
Record 11, Textual support, French
Record number: 11, Textual support number: 1 CONT
Les relevés géochimiques de reconnaissance peuvent se faire en recueillant des échantillons au hasard ou en suivant et en examinant des cours d'eau. Les relevés détaillés se font à des points situés sur un quadrillage à maille plus ou moins serrée selon le détail désiré et les résultats sont reportés avec précision sur une carte. 3, record 11, French, - lev%C3%A9%20g%C3%A9ochimique
Record number: 11, Textual support number: 2 CONT
Les levés géochimiques des eaux lacustres ou du till permettent de localiser efficacement les roches hyperalcalines les plus susceptibles de renfermer des gîtes. 4, record 11, French, - lev%C3%A9%20g%C3%A9ochimique
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 2003-10-31
Record 12, English
Record 12, Subject field(s)
- Atmospheric Physics
- Astrophysics and Cosmography
Record 12, Main entry term, English
- halo
1, record 12, English, halo
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 DEF
Any one of a large class of atmospheric optical phenomena (luminous meteors) that appear as colored or whitish rings and arcs about the Sun or Moon when seen through an ice crystal cloud or in a sky filled with falling ice crystals. 2, record 12, English, - halo
Record number: 12, Textual support number: 1 CONT
The halos experiencing prismatic coloration are produced by refraction of light by the ice crystals, and those exhibiting only whitish luminosity are produced by reflection from the crystal faces. 2, record 12, English, - halo
Record number: 12, Textual support number: 1 OBS
The plural form of "halo" is "halos" or "haloes". 3, record 12, English, - halo
Record number: 12, Textual support number: 1 PHR
Lunar, solar halo. 4, record 12, English, - halo
Record 12, Key term(s)
- halos
- haloes
Record 12, French
Record 12, Domaine(s)
- Physique de l'atmosphère
- Astrophysique et cosmographie
Record 12, Main entry term, French
- halo
1, record 12, French, halo
correct, masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
Record 12, Textual support, French
Record number: 12, Textual support number: 1 DEF
Météore optique dû à l'action sur les cristaux de glace des nuages élevés notamment des cirrostratus, de la lumière du soleil ou de la lune. 2, record 12, French, - halo
Record number: 12, Textual support number: 1 CONT
Le plus fréquemment observé est le halo de 22 degrés (angle apparent de ce météore), de forme circulaire autour du soleil. Le cercle irisé qui entoure la lune porte le nom d'aréole. 2, record 12, French, - halo
Record number: 12, Textual support number: 1 PHR
Halo lunaire, solaire. 3, record 12, French, - halo
Record 12, Spanish
Record 12, Campo(s) temático(s)
- Física de la atmósfera
- Astrofísica y cosmografía
Record 12, Main entry term, Spanish
- halo
1, record 12, Spanish, halo
masculine noun
Record 12, Abbreviations, Spanish
Record 12, Synonyms, Spanish
Record 12, Textual support, Spanish
Record number: 12, Textual support number: 1 DEF
Círculo luminoso visible en torno del Sol o de la Luna cuando la atmósfera está cargada de cristales de hielo en suspensión. 2, record 12, Spanish, - halo
Record number: 12, Textual support number: 1 PHR
Halo lunar, solar. 3, record 12, Spanish, - halo
Record 13 - internal organization data 1999-08-09
Record 13, English
Record 13, Subject field(s)
- Mineralogy
- Radioactive Ores (Mining)
Record 13, Main entry term, English
- metamict mineral
1, record 13, English, metamict%20mineral
correct
Record 13, Abbreviations, English
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 DEF
A mineral, the crystal structure of which has been disrupted by radiation from contained radioactive atoms. 2, record 13, English, - metamict%20mineral
Record number: 13, Textual support number: 1 CONT
Emission from radioactive elements in a mineral, commonly produces metamict "haloes" in surrounding minerals, while at the same time the radioactive mineral itself suffers complete destruction of its structure. Metamict minerals can be reconverted to a crystalline form by moderate heating, but whether the structures attained correspond to those which existed before radiation damage occurred is questionable. 3, record 13, English, - metamict%20mineral
Record 13, French
Record 13, Domaine(s)
- Minéralogie
- Minerais radioactifs (Mines métalliques)
Record 13, Main entry term, French
- minéral métamicte
1, record 13, French, min%C3%A9ral%20m%C3%A9tamicte
correct, masculine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
Record 13, Textual support, French
Record number: 13, Textual support number: 1 CONT
Les minéraux métamictes sont optiquement isotropes et amorphes aux rayons X, d'éclat vitreux ou résineux; sans clivage, ils ont une cassure conchoïdale. Ils sont toujours radioactifs, et c'est la radioactivité [alpha] de l'uranium ou du thorium qu'ils contiennent qui a provoqué la destruction de leur réseau cristallin. Cette métamictisation est plus ou moins complète; par chauffage, ils peuvent recristalliser en émettant de la chaleur. On citera : gadolinite [...], thorite [...], fergusonite [...] euxénite [...] 1, record 13, French, - min%C3%A9ral%20m%C3%A9tamicte
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 1999-06-08
Record 14, English
Record 14, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 14, Main entry term, English
- large halo
1, record 14, English, large%20halo
correct
Record 14, Abbreviations, English
Record 14, Synonyms, English
- halo of 46 degrees 2, record 14, English, halo%20of%2046%20degrees
correct
- halo of 46° 1, record 14, English, halo%20of%2046%C2%B0
correct
- 46 degree halo 3, record 14, English, 46%20degree%20halo
correct
- 46° halo 4, record 14, English, 46%C2%B0%20halo
correct
Record 14, Textual support, English
Record number: 14, Textual support number: 1 DEF
Circular halo, with radius of 46°, much less common and always less bright than the small halo. It comprises a faintly luminous ring centred on the Sun or Moon. 1, record 14, English, - large%20halo
Record number: 14, Textual support number: 1 OBS
Haloes are caused by reflection and refraction of light frm the sun or moon by ice crystals in the atmosphere. They may take the form of rings, arcs, pillars or bright spots. The type of halo formed can give information about the type of ice crystals present. Haloes may also be seen in midlatitudes and are normally formed by high, thin clouds. 5, record 14, English, - large%20halo
Record 14, French
Record 14, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 14, Main entry term, French
- grand halo
1, record 14, French, grand%20halo
correct, masculine noun
Record 14, Abbreviations, French
Record 14, Synonyms, French
- halo de 46° 1, record 14, French, halo%20de%2046%C2%B0
correct, masculine noun
Record 14, Textual support, French
Record number: 14, Textual support number: 1 DEF
Halo beaucoup moins fréquent que le petit halo et toujours moins lumineux que lui; il est constitué par un anneau faiblement lumineux centré sur le Soleil ou sur la Lune, ayant un rayon apparent égal à 46°. 2, record 14, French, - grand%20halo
Record 14, Spanish
Record 14, Campo(s) temático(s)
- Fenómenos meteorológicos, climáticos y atmosféricos
Record 14, Main entry term, Spanish
- halo grande 1, record 14, Spanish, halo%20grande
Record 14, Abbreviations, Spanish
Record 14, Synonyms, Spanish
- halo de 46° 1, record 14, Spanish, halo%20de%2046%C2%B0
Record 14, Textual support, Spanish
Record number: 14, Textual support number: 1 DEF
Halo circular de 46° de radio, mucho menos frecuente y siempre menos luminoso que el halo pequeño. Está formado por un anillo de débil luminosidad de un radio aparente de 46° concéntrico con el Sol o la Luna. 1, record 14, Spanish, - halo%20grande
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