Note: Plate Tectonics Tectonics: The study of the origin and arrangement of Earth’s broad structural features (e.g. mountains, folds, faults, continent shapes, earthquakes, etc.) Plate Tectonics Alfred Wegener, 1915: Proposed the idea of continental drift myrs ago, –200 1.Continental Jigsaw puzzle: noticed the similarity between coastlines on opposite of South –Wegener Atlantic 2.Fossils: fossils found in Africa and S. America –Identical species lived in currently distant areas •Identical 3.Present Day Organisms: kangaroos (Australia) & marsupial opossums (N. America) –Ex/ 4.Rock Types: rock and rock ages –Identical … 5.Ancient Climates: that massive ice sheets covered much of Southern Hemisphere and –Evidence during paleozoic era (300 myrs ago) Until Wegener’s death in 1930, his publications received only criticism & skepticism. Why the skeptics?
Note: Plate Tectonics Tectonics: The study of the origin and arrangement of Earth’s broad structural features (e.g. mountains, folds, faults, continent shapes, earthquakes, etc.) Plate Tectonics Alfred Wegener, 1915: Proposed the idea of continental drift –200 myrs ago, 1.Continental Jigsaw puzzle: –Wegener noticed the similarity between coastlines on opposite of South Atlantic 2.Fossils: –Identical fossils found in Africa and S. America •Identical species lived in currently distant areas 3.Present Day Organisms: –Ex/ kangaroos (Australia) & marsupial opossums (N. America) 4.Rock Types: –Identical rock and rock ages … 5.Ancient Climates: –Evidence that massive ice sheets covered much of Southern Hemisphere and during paleozoic era (300 myrs ago) Until Wegener’s death in 1930, his publications received only criticism & skepticism. Why the skeptics?
Note_Tectonics.docx