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MESOCRATE [1 record]
Record 1 - internal organization data 2017-05-09
Record 1, English
Record 1, Subject field(s)
- Geology
- Petrography
Record 1, Main entry term, English
- mesocratic
1, record 1, English, mesocratic
correct, adjective
Record 1, Abbreviations, English
Record 1, Synonyms, English
- mesotype 2, record 1, English, mesotype
correct, adjective
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Composed of almost equal amounts of light and dark constituents; applied to igneous rocks intermediate in color between leucocratic and melanocratic, and containing 30% to about 65% of mafic minerals. 3, record 1, English, - mesocratic
Record number: 1, Textual support number: 1 OBS
mesotype: Proposed by Shand in place of mesocratic to indicate igneous rocks containing between 30 and 60 percent dark minerals. 2, record 1, English, - mesocratic
Record 1, French
Record 1, Domaine(s)
- Géologie
- Pétrographie
Record 1, Main entry term, French
- mésocrate
1, record 1, French, m%C3%A9socrate
correct, adjective
Record 1, Abbreviations, French
Record 1, Synonyms, French
- mésotype 2, record 1, French, m%C3%A9sotype
adjective
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
S'applique aux roches magmatiques contenant des pourcentages voisins de minéraux blancs (quartz, feldspaths) et noirs (minéraux ferromagnésiens). 3, record 1, French, - m%C3%A9socrate
Record number: 1, Textual support number: 1 CONT
La proportion des minéraux foncés, facilement appréciable au simple coup d'œil, fournit une classification abrégée [des roches ignées], mais évidemment moins précise. On distingue les groupes suivants: [...] Roches mésocrates 35 à 65 [% de minéraux foncés.] 4, record 1, French, - m%C3%A9socrate
Record number: 1, Textual support number: 2 CONT
Roches mésocrates : 37,5 à 62,5 % de ferromagnésiens. 5, record 1, French, - m%C3%A9socrate
Record number: 1, Textual support number: 3 CONT
[Si les minéraux foncés] occupent moins du vingtième de la roche, elle est dite hololeucocrate; du vingtième au tiers, leucocrate; du tiers aux deux tiers, mésocrate; plus des deux tiers, mélanocrate; plus des dix-neuf vingtièmes, holomélanocrate. 6, record 1, French, - m%C3%A9socrate
Record 1, Spanish
Record 1, Textual support, Spanish
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