TERMIUM Plus®

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

AVERAGE CONTENT [1 record]

Record 1 2006-08-01

English

Subject field(s)
  • Economic Geology
  • Metallurgy - General
CONT

Proved ore has been so thoroughly sampled that we can be certain of its outline, tonnage and average grade, within certain limits.

CONT

A few pit mines, operated during World War II, mined ore at a grade below 0.4% WO3, but most underground operations require average grades of at least 0.4% WO3.

CONT

Diagram of the Vulcan tin pipe, Herberton, Queensland. The average grade was 4.5% tin.

CONT

In 1970, Zambia produced 686 000 t of copper, the average grade of ore mined was 3.8% and the estimated commercial reserves were 27.2 Mt of copper.

PHR

Maximum average grade.

French

Domaine(s)
  • Géologie économique
  • Métallurgie générale
CONT

La teneur moyenne se situe à 31-34 % Fe, mais peut s'élever à 40 % dans la région de Briey ou s'abaisser à 28 % ailleurs.

CONT

D'après Holmes, la teneur moyenne du granite en uranium est de 8.10-6.

CONT

Avec une teneur moyenne [en uranium] de 3 à 4 g à la tonne, l'écorce terrestre offre 10 000 milliards de tonnes de réserves théoriques jusqu'à 1 000 m de profondeur [...]

CONT

Béryllium. [...] Les teneurs moyennes de la croûte terrestre sont de l'ordre de 2 p.p.m.

OBS

teneur: Proportion d'un élément constituant que contient un mélange ou un corps composé. Cette galène a une teneur en plomb de 80 %.

PHR

Teneur maximale moyenne.

Spanish

Campo(s) temático(s)
  • Geología económica
  • Metalurgia general
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

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: