More Like This

Show all results sharing these subjects:

  • Earth Sciences and Geography
  • Ecology and Conservation


Show Summary Details

Quick Reference

The Precambrian shield of central eastern Canada which forms the ancient ‘core’ of Canada, around which younger mountain belts have been accreted. The name, derived from the St Lawrence River, has been applied to a series of granites, gneisses, and metasediments that are older than 2500 Ma.

Subjects: Earth Sciences and Geography — Ecology and Conservation.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.