单词 | rake-vein |
释义 | ˈrake-vein [f. rake n.3 5.] A leading vein of ore (cf. quots. and rake).
1813Bakewell Introd. Geol. (1815) 274 Rake veins or perpendicular veins resemble mineral dykes in position, but not in their contents. 1874J. H. Collins Metal Mining 24 Rake-veins or Lodes appear to occupy fissures in the earth, sometimes parallel to, sometimes cutting across, the general bedding, and even the cleavage of the rocks. |

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