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Canadian Shield -- Encyclopædia Britannica |
 | | Shields was best known for her Pulitzer Prize-winning novel, The Stone Diaries (1993), which attempted to capture the importance of the seemingly... |
 | | 780 Student Encyclopedia Britannica articles, specially written for elementary and high school students |
 | | About half of Canada's area consists of some of the oldest rock in the world. |
| www.britannica.com /eb/article?eu=20222 (889 words) |