Unformatted text preview: B. Linear chain of volcanoes C. Age progression easier to predict D. Tectonic processing happens at km/million yr. (cm/yr.) III. Review A. Hot spot- very small, cylindrical, thin jet of very hot material; melted mantle from core/mantle boundary; by-pass big circulation; hot spots leave a trail that we can go back and see how much the Pacific Plate has moved...
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- Spring '99
- Plate Tectonics, Volcano, Basalt, hot spot