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Bathymetry Study of the ocean floor and its contours Originally done by lowering a line over ship with a heavy weight Echo Sounder used a powerful sound pulse that bounced off the bottom and then detected the bounce back. Multibeam Systems integrate several pulses allowing for the a continuous sampling of the seafloor Satellite Altimetry is now used to map the seafloor.
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Geological Provinces
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Active vs. Passive Continental Margins
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Convergent vs Divergent Boundaries
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Hydrothermal Vents
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Spreading Ridges
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Deep Ocean Trenches
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