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VARIOLITIC [1 record]
Record 1 - internal organization data 2009-06-10
Record 1, English
Record 1, Subject field(s)
- Petrography
Record 1, Main entry term, English
- variolitic
1, record 1, English, variolitic
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Of basic igneous rock, having a fine-grained texture characterized by varioles. 2, record 1, English, - variolitic
Record number: 1, Textual support number: 1 OBS
varioles: A small, pea-sized spherical body in igneous rock, usually composed of fanlike sprays of plagioclase or pyroxene crystals radiating outward from a central point. 2, record 1, English, - variolitic
Record number: 1, Textual support number: 2 OBS
variolitic: term used at Natural Resources Canada - Earth Sciences Sector. 3, record 1, English, - variolitic
Record 1, French
Record 1, Domaine(s)
- Pétrographie
Record 1, Main entry term, French
- variolitique
1, record 1, French, variolitique
correct
Record 1, Abbreviations, French
Record 1, Synonyms, French
- variolaire 2, record 1, French, variolaire
correct
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Définit une roche magmatique montrant des varioles (petites boules de 0,5 à 2 mm de diamètre) composées de plagioclases pris dans du verre, parfois accompagnées de petits minéraux ferromagnésiens (augite, olivine, etc.). 3, record 1, French, - variolitique
Record number: 1, Textual support number: 1 CONT
La texture variolitique est [...] similaire à la texture sphérolitique. Alors que la texture sphérolitique se développe parfois dans des laves riches en silice et particulièrement vitreuse la texture variolitique, au contraire, se développe dans des laves plus pauvres en silice, notamment dans les basaltes coussinés. Dans ces cas on observe des sphères radiées constituées de plagioclase et/ou de pyroxène en forme de fibres avec ou sans verre,dans un fond sombre,souvent vitreux à l'origine. 4, record 1, French, - variolitique
Record number: 1, Textual support number: 1 OBS
variolitique; variolaire : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 5, record 1, French, - variolitique
Record 1, Spanish
Record 1, Textual support, Spanish
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