| 单词 | cone-sheet |
| 释义 | > as lemmascone-sheet cone-sheet n. Geology (see quots.). ΘΚΠ the world > the earth > structure of the earth > structural features > rock formations > [noun] > cone or cone-in-cone cone-in-cone1877 cone-sheet1924 shatter cone1933 1924 Mem. Geol. Surv. Scotl. xix. 221 Acid Centrally Inclined Sheets or Cone-Sheets..a cone-sheet complex in which the characteristic feature is an assemblage of sheets inclined rather steeply towards a common centre. 1965 A. Holmes Princ. Physical Geol. (rev. ed.) xi. 261 Intrusions in the form of concentric arcs or rings are of two distinct types... One type consists of cone-sheets, which have the form of parts of inverted cones dipping inwards towards a common focus. < as lemmas |
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