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DIFFERENCIATION GRAVITE [1 record]
Record 1 - internal organization data 2004-07-13
Record 1, English
Record 1, Subject field(s)
- Geochemistry
- Petrography
- Mineralogy
Record 1, Main entry term, English
- gravity fractionation
1, record 1, English, gravity%20fractionation
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- gravitational differentiation 2, record 1, English, gravitational%20differentiation
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Magmatic differentiation resulting from the floating or settling, under gravity, of mineral crystals as they form. 3, record 1, English, - gravity%20fractionation
Record number: 1, Textual support number: 1 CONT
Gravity fractionation occurs during the earlier stages of magmatic crystallization when the magma is still dominantly liquid and crystals can sink through it to accumulate at the base of the magma chamber or interlayered with other early-formed minerals. 1, record 1, English, - gravity%20fractionation
Record 1, French
Record 1, Domaine(s)
- Géochimie
- Pétrographie
- Minéralogie
Record 1, Main entry term, French
- séparation par gravité
1, record 1, French, s%C3%A9paration%20par%20gravit%C3%A9
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- différenciation par gravité 2, record 1, French, diff%C3%A9renciation%20par%20gravit%C3%A9
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[La] différenciation par gravité [peut] expliquer la plupart des grandes variations dans la composition des roches ignées. [Dans la] différenciation par gravité, les phases cristallines de densité inférieure à celle du liquide remontent. 3, record 1, French, - s%C3%A9paration%20par%20gravit%C3%A9
Record number: 1, Textual support number: 2 CONT
Gisements magmatiques [...] - L'enrichissement local résulte ici d'une différenciation à l'intérieur d'un magma en voie de consolidation. Sur le mécanisme de cette différenciation, on est réduit à des hypothèses : séparation de liquides non miscibles [...], séparation par gravité ou encore cristallisations fractionnées. 1, record 1, French, - s%C3%A9paration%20par%20gravit%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
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