| crater - definition of crater - Labor Law Talk Dictionary (1741 words) |
 | Craters are typically caused by meteorite impacts, although some are caused by volcanic activity (see volcano for more details), or karstic erosion (see Karst Crater for more details). |
| In the center of craters on Earth a crater lake often accumulates, and in craters formed by meteorites a central island (caused by rebounding crustal rock after the impact) is usually a prominent feature in the lake. |
| Few underwater craters have been discovered because of the difficulty of surveying the sea floor; the rapid rate of change of the ocean bottom; and the subduction of the ocean floor into the Earth's interior by processes of plate tectonics. |
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