canadian shield: meaning, definition, pronunciation and examples
LowAcademic/Technical/Geographic
Quick answer
What does “canadian shield” mean?
A large area of exposed Precambrian igneous and high-grade metamorphic rocks that forms the ancient geological core of the North American continent.
Audio
Pronunciation
Definition
Meaning and Definition
A large area of exposed Precambrian igneous and high-grade metamorphic rocks that forms the ancient geological core of the North American continent.
It is also used to refer to the geographic region itself, characterized by boreal forest, numerous lakes, and rugged terrain, covering much of central and eastern Canada.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage between UK and US English. The term is equally understood in both.
Connotations
Primarily denotes geological history, mineral resources, and a vast, sparsely populated wilderness region.
Frequency
Low frequency in general discourse, but standard in relevant academic/geographic contexts in both regions.
Grammar
How to Use “canadian shield” in a Sentence
The [geological feature] is located on/in the Canadian Shield.The Canadian Shield [verb: covers, extends, contains].Vocabulary
Collocations
Examples
Examples of “canadian shield” in a Sentence
verb
British English
- The glacier scoured the already ancient, Canadian Shield bedrock.
American English
- Glaciers heavily eroded the Canadian Shield landscape.
adverb
British English
- [Not typically used as an adverb]
American English
- [Not typically used as an adverb]
adjective
British English
- The Canadian-Shield geology is incredibly old.
American English
- We studied Canadian Shield rock formations.
Usage
Meaning in Context
Business
Used in contexts related to mining, forestry, or hydropower development (e.g., 'The company holds mining rights in the Canadian Shield.').
Academic
Standard term in geology, geography, and environmental studies textbooks and research.
Everyday
Used in travel guides, documentaries, or general descriptions of Canada's landscape.
Technical
Precise geological term for the cratonic core of North America.
Vocabulary
Synonyms of “canadian shield”
Strong
Neutral
Weak
Vocabulary
Antonyms of “canadian shield”
Watch out
Common Mistakes When Using “canadian shield”
- Incorrectly capitalizing as 'Canadian shield' (should be 'Canadian Shield'). Using 'Canadian Shield' to refer to a political or military defense pact (it is purely a geological/geographic term).
FAQ
Frequently Asked Questions
No, while most of it is in Canada, parts extend into the northern United States (e.g., the Adirondacks, parts of Minnesota and Wisconsin).
The term comes from its shape, which resembles a warrior's shield on a map, and because the ancient, hard rocks 'shield' or underlay the younger sedimentary rocks around it.
Yes, several, including Sudbury, Thunder Bay, and parts of Greater Toronto are situated on the Shield, though its rugged terrain limits dense urbanization.
Mining is historically the most significant, due to abundant mineral deposits (nickel, gold, copper, diamonds). Forestry and hydropower generation are also major.
A large area of exposed Precambrian igneous and high-grade metamorphic rocks that forms the ancient geological core of the North American continent.
Canadian shield is usually academic/technical/geographic in register.
Canadian shield: in British English it is pronounced /kəˌneɪ.di.ən ˈʃiːld/, and in American English it is pronounced /kəˌneɪ.di.ən ˈʃiːld/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms specific to this term]”
Learning
Memory Aids
Mnemonic
Imagine a giant, ancient stone shield covering the heart of Canada, protecting its geological history.
Conceptual Metaphor
THE LAND AS A PROTECTIVE BARRIER; THE EARTH'S FOUNDATION AS A BEDROCK SHIELD.
Practice
Quiz
The Canadian Shield is primarily composed of what type of rock?