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Unit 2 vocab strateg
Unit 2 vocab strategy
Term | Definition |
---|---|
Continental Margin | Consists of a continental shelf, a continental slope, and a continental rise. |
Continental Shelf | Begins at shoreline. |
Continental Slope | Steep slope out from the shelf. |
Continental Rise | Bottom of slope that contains an accumulation of sand particles. |
Cosmogenous | Sediments transported from outer space to earth. |
Biogenous | Sediments produced from living or once living things. |
Turbidity Currents | A flow of water and sediment that causes erosion of the continental slope. |
Abyssal Plain | Flat part of the ocean floor that begins at the toe of the continental rise and continues out to the ocean floor. |
Phosphorite Nodules | Lumps composed primarily of phosphate minerals that are scattered throughout certain parts of ocean floor. |
Lithogenous | Sediments from the land transported by rivers, glaciers or landslides. |
Hydrogenous | Sediment formed by chemical precipitation formed through a chemical reaction in the ocean. |
Bathymetry | Measurements of depth from the ocean surface to the underwater features. |
Submarine Canyon | Large V shaped depression carved in the continental slope. |
Seamount | Under water mountain on the ocean floor sometimes cause by volcanic activity. |
Guyot | Flat-topped sea mountain. |
Diatom | Single celled phytoplankton made of silica. |
Formanifera | Single celled plankton with a chalky shell made of CaCO3. |
Radiolarian | A single celled plankton that has a spherical, ameba-like body with spiny skeletons made of SiO2. |