TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
ULTRA-MAFIC COMPLEX [1 record]
Record 1 - internal organization data 2011-12-12
Record 1, English
Record 1, Subject field(s)
- Petrography
- Geochemistry
Record 1, Main entry term, English
- ultramafic complex
1, record 1, English, ultramafic%20complex
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Typical ophiolite sequences are comprised of a thin layer of deep-sea sediments, overlying a sequence of basaltic pillow lavas, sheeted dike complexes, foliated to layered gabbro, and finally an ultramafic complex, which can have an exposed thickness of up to 7 km. This ultramafic section of ophiolite sequences can vary in composition; however, it is most commonly dominated by varieties of peridotite typically associated with the mantle such as harzburgite (olivine and orthopyroxene rich), and lherzolite (olivine, ortho- and clinopyroxene rich), with secondary wehrlite (clinopyroxene and olivine rich) and dunite (olivine rich) ... 2, record 1, English, - ultramafic%20complex
Record number: 1, Textual support number: 1 OBS
ultramafic complex: term used at Natural Resources Canada - Earth Sciences Sector. 3, record 1, English, - ultramafic%20complex
Record 1, Key term(s)
- ultra-mafic complex
- ultra mafic complex
Record 1, French
Record 1, Domaine(s)
- Pétrographie
- Géochimie
Record 1, Main entry term, French
- complexe ultramafique
1, record 1, French, complexe%20ultramafique
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les participants à la conférence de Penrose en 1972 [...] ont défini le terme «ophiolite» comme étant un assemblage distinctif de roches mafiques à ultramafiques qui comprend, de haut en bas 1) un complexe ultramafique consistant en proportion variable d'harzburgite, de lherzolite et de dunite ayant habituellement une fabrique tectonique, 2) un complexe gabbroïque à texture de cumulats [...], 3) un complexe de dykes, 4) un complexe de roches volcaniques généralement en coussin. 2, record 1, French, - complexe%20ultramafique
Record number: 1, Textual support number: 1 OBS
complexe ultramafique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 3, record 1, French, - complexe%20ultramafique
Record 1, Spanish
Record 1, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified: