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The Government of Canada’s terminology and linguistic data bank.
ROCHE LEUCOCRATE [3 records]
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
Record 2 - internal organization data 2012-03-06
Record 2, English
Record 2, Subject field(s)
- Petrography
Record 2, Main entry term, English
- melanocratic rock
1, record 2, English, melanocratic%20rock
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A dark-colored rock containing 60-90% dark minerals. 2, record 2, English, - melanocratic%20rock
Record 2, French
Record 2, Domaine(s)
- Pétrographie
Record 2, Main entry term, French
- roche mélanocrate
1, record 2, French, roche%20m%C3%A9lanocrate
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
[...] roche endogène où les minéraux foncés (amphibole, pyroxène, péridot, etc.) occupent plus des deux tiers de la surface [et dont la] teinte générale est foncée. 2, record 2, French, - roche%20m%C3%A9lanocrate
Record number: 2, Textual support number: 1 CONT
[...] roches mélanocrates : 62,5 à 87,5 % de ferromagnésiens. 3, record 2, French, - roche%20m%C3%A9lanocrate
Record number: 2, Textual support number: 2 CONT
[...] les appareils alcalins annulaires [...] sont constitués de roches leucocrates à mélanocrates, acides à ultrabasiques [...] 4, record 2, French, - roche%20m%C3%A9lanocrate
Record number: 2, Textual support number: 3 CONT
granite :Roche alumino-potassique riche en éléments blancs(roche leucocrate) ;péridodite :roche ferro-magnésienne riche en éléments colorés(roche mélanocrate). 5, record 2, French, - roche%20m%C3%A9lanocrate
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2003-12-16
Record 3, English
Record 3, Subject field(s)
- Petrography
Record 3, Main entry term, English
- leucocrate
1, record 3, English, leucocrate
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
... a light-coloured igneous rock containing a high percentage of felsic minerals and a correspondingly low percentage of mafic constituents. 2, record 3, English, - leucocrate
Record 3, French
Record 3, Domaine(s)
- Pétrographie
Record 3, Main entry term, French
- roche leucocrate
1, record 3, French, roche%20leucocrate
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Roche endogène, de teinte généralement pâle, oû les minéraux clairs et légers, comme le quartz ou les feldspaths, occupent plus des deux tiers de la surface. 1, record 3, French, - roche%20leucocrate
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Petrografía
Record 3, Main entry term, Spanish
- roca leucocrática
1, record 3, Spanish, roca%20leucocr%C3%A1tica
correct, feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Roca formada principalmente por minerales de color claro. 1, record 3, Spanish, - roca%20leucocr%C3%A1tica
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