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Chapter 3 Plate Tectonics: A Unifying Theory

(1910) Frank Taylor

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Chapter 3 Plate Tectonics: A Unifying Theory

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    1. Chapter 3 Plate Tectonics: A Unifying Theory Introduction – an earthquake in Turkey and Mt. Pinatubo eruption in the Philippines, both related to Plate Tectonics. Early ideas – (1885) Edward Suess – Noted similarities of plant fossils in India, Australia, South Africa, & South America. Glossopteris flora (Figure 3.1, p. 33) – in Southern Hemisphere coal layers different from Northern Hemisphere coal swamps. Named southern super-continent – Gondwana – in book “The Face of the Earth”. Land bridges connected the continents.

    2. (1910) Frank Taylor – suggested that the mid-Atlantic ridge was related to continental drift. (1915) Alfred Wegener suggested the name Pangaea for the single large continent. Used geologic, paleontologic, and climatic evidence to show joining of continents prior to their breakup. These & other early hypotheses concerning Continental Drift gained attention, but not acceptance, as mechanism for movement could not explained.

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