Definition

Proper noun: * A major physiographic region of Canada: The Laurentian Highlands, also known as the Laurentian Plateau or Canadian Shield, is a vast geological region characterized by ancient Precambrian rock. It forms the exposed continental core of North America, covering a significant portion of eastern and central Canada. It is known for its rugged terrain, numerous lakes, and mineral resources.

Usage

• The Laurentian Highlands are one of the world's oldest geological formations.
• Much of Canada's mining industry is located within the Laurentian Highlands.
• The landscape of the Laurentian Highlands was shaped by continental glaciation.

Advanced Usage

• The term is often used in geographical, geological, and environmental contexts to describe the region's unique ecosystem and landforms.
• It can be used metonymically to refer to the wilderness or the mineral-rich core of Canada.
  • The company's exploration efforts are focused on the mineral potential of the Laurentian Highlands.

Variants and Related Words

• Canadian Shield: The more common contemporary name for the same geological region.
• Laurentian Plateau: A direct synonym for Laurentian Highlands.
• Precambrian Shield: A term emphasizing the ancient geological age of the rock formations.

Synonyms

• Canadian Shield
• Laurentian Plateau

Related Phrases

• The Shield: A common abbreviated reference in Canadian English.
  • They went canoeing in the lakes of the Shield.

Noun

1. a large plateau that occupies more than 40% of the land area of Canada; it extends from the Great Lakes northward to the Arctic Ocean