a peculiar geological structure, presenting the appearance of a number of cones one packed inside another.
单词 | θ4993 |
释义 | the world > the earth > structure of the earth > structural features > rock formations > [noun] > cone or cone-in-cone (3) cone-in-cone1877 a peculiar geological structure, presenting the appearance of a number of cones one packed inside another. cone-sheet1924 (see quots.). shatter cone1933 a fluted conical structure produced in rock by intense mechanical shock, esp. by that associated with meteoritic impact. |
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