TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

MELANOCRATIC ROCK [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-03-06

English

Subject field(s)
  • Petrography
DEF

A dark-colored rock containing 60-90% dark minerals.

French

Domaine(s)
  • Pétrographie
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.

CONT

[...] roches mélanocrates : 62,5 à 87,5 % de ferromagnésiens.

CONT

[...] les appareils alcalins annulaires [...] sont constitués de roches leucocrates à mélanocrates, acides à ultrabasiques [...]

CONT

granite : Roche alumino-potassique riche en éléments blancs (roche leucocrate); péridodite : roche ferro-magnésienne riche en éléments colorés (roche mélanocrate).

Spanish

Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Display options

Change the order of display of the official languages of Canada
Option to display the non-official languages (Spanish or Portuguese)
Display definitions, contexts, etc., on records

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

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: