Continental Drift James D. Houston
Publication details: New York Mcgraw-hill book company 1978Description: vii, 337 pages: illustrations 21cmISBN:- 0070304882
- Fic. H6c 1978
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The theory that Earth's continents were once joined as a single supercontinent named Pangaea before breaking apart 200–250 million years ago and moving to their present positions.
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