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PEGMATITA [1 record]
Record 1 - internal organization data 2016-02-04
Record 1, English
Record 1, Subject field(s)
- Petrography
Record 1, Main entry term, English
- pegmatite
1, record 1, English, pegmatite
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An exceptionally coarse-grained ... igneous rock, with interlocking crystals, [whose] composition is generally that of granite ... 2, record 1, English, - pegmatite
Record number: 1, Textual support number: 1 CONT
Pegmatites are holocrystalline rocks typically composed of igneous rock-forming minerals that are, in part, very coarse grained, although some are extremely varied in grain size ... They are commonly granitic in composition, consisting mainly of quartz, feldspar, and mica, but more mafic varieties composed of olivine, pyroxene, and plagioclase also occur. 3, record 1, English, - pegmatite
Record number: 1, Textual support number: 1 OBS
Pegmatites represent the last and most hydrous portion of a magma to crystallize ... 2, record 1, English, - pegmatite
Record number: 1, Textual support number: 2 OBS
Unless specified otherwise, the name usually means granite pegmatites, although pegmatites having gross compositions similar to other rock types are known. 4, record 1, English, - pegmatite
Record 1, French
Record 1, Domaine(s)
- Pétrographie
Record 1, Main entry term, French
- pegmatite
1, record 1, French, pegmatite
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Roche très claire, largement cristallisée, sorte de résidus acides de la différenciation des granites, riche en éléments volatils, caractérisée par une texture en très grands cristaux s'interpénétrant [...] 2, record 1, French, - pegmatite
Record number: 1, Textual support number: 1 CONT
Les pegmatites sont des roches holocristallines qui se composent typiquement de minéraux essentiels des roches ignées se présentant, du moins en partie, en cristaux de très grande taille, bien que les dimensions de certains d'entre eux soient extrêmement variables [...] Elles sont généralement de composition granitique, et consistent principalement en quartz, feldspath et mica, mais il existe aussi des variétés plus mafiques composées d'olivine, pyroxène et plagioclase. 3, record 1, French, - pegmatite
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Petrografía
Record 1, Main entry term, Spanish
- pegmatita
1, record 1, Spanish, pegmatita
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 OBS
Roca granítica constituida por minerales de más de 1 cm [...] 1, record 1, Spanish, - pegmatita
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