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15 Cards in this Set
- Front
- Back
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Bathymetry |
Measures the vertical from the ocean surface to sea floor features |
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What are the three major provinces? |
- Continental margins - Deep-ocean basins - Mid-ocean ridge |
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Continental margins |
Shallow-water areas to close to shore |
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Deep-ocean basins |
Deep-water areas farther from land |
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Mid-ocean ridge |
Submarine mountain range |
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Passive |
-Not closed to any plate boundary - No major tectonic activity |
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Active |
- Convergent or transform plate boundaries - Tectonic activity |
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Sea Floor Mapping from Space |
- Satellite- derived ocean surface gravity - Reveals bathymetry where ships have not conducted research |
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Turbidity Currents |
Underwater avalanches mixed with rocks and other debris |
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Sorting |
Measure of grain size uniformity |
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Lithogenous Sediments |
- Terrigenous - Weathering |
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Biogenous Sediment |
Hard remains of once-living organisms |
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Hydrogenous Marine Sediments |
Minerals precipitate directly from seawater |
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Cosmogenous |
- Macro- meteor debris - Micro- iron-nickel and silicate spherules |
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Two types of Calcium Carbonate in Biogenic Sediments |
- Coccolithophores - Foraminifera |
