单词 | vein fissure |
释义 | > as lemmasvein fissure vein fissure n. ΚΠ 1811 J. Farey Gen. View Agric. Derbyshire I. 123 Such vein fissures have had a very different origin from those of Faults. 1962 Prof. Papers U.S. Geol. Surv. No. 342. 124/2 A drift from the crosscut follows the vein fissure for 140 feet to the east. 2011 P. Appleton in T. D. Ford Limestones & Caves Wales (new ed.) xx. 238/2 Most of these [caverns] are ancient phreatic openings in or adjacent to vein fissures. < as lemmas |
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