Physical Geography. A large, seismically stable mass of Archaean basement rock having the form of a flat or gently convex peneplained platform and…
| 单词 | θ6176 |
| 释义 | the world > the earth > structure of the earth > [noun] > fundamental complex > shield or platform (3) shield1906 Physical Geography. A large, seismically stable mass of Archaean basement rock having the form of a flat or gently convex peneplained platform and… platform1908 Geology. A part of a craton where the basement complex, elsewhere exposed as a shield, is overlain by a layer of more recent, relatively flat and… Subcategories:— specific (1) |
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