A knoll or mass of rock; in Geology applied chiefly to masses of rock protruding through strata of another kind.
| 单词 | θ4892 |
| 释义 | the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > intrusion > boss (2) boss1605 A knoll or mass of rock; in Geology applied chiefly to masses of rock protruding through strata of another kind. burr1839 A siliceous boss or rock occurring among calcareous, or other softer, formations; a harder part in any freestone. |
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