| 单词 | pipe vein |
| 释义 | > as lemmaspipe vein pipe vein n. †(a) a vein of the body (obsolete (apparently an isolated use)); (b) Mining and Geology = sense 18a, 1d. ΘΚΠ the world > the earth > minerals > mineral deposits > [noun] > of ore pipe1635 pipe vein1653 squat1671 body1672 moor1778 ore bed1787 1653 Duchess of Newcastle Poems & Fancies 209 By reason of dry, hot, corrupted, or obstructed Livers, we, your Honours Pipe-veines, want filling. 1709 T. Robinson Ess. Nat. Hist. Westmorland & Cumberland ix. 54 In the late Sir C. M.'s Time..were great quantities of Lead got, in a very rich Pipe-Vein. 1811 J. Farey Gen. View Agric. Derbyshire I. 243 A Pipe vein..is a cavity, often horizontal nearly, between the beds of limestone..having a narrow rake vein, or rake-leading from it, to the surface of the stratum. 1898 S. H. Cox Prospecting for Min. 113 Cave Deposits..might be subdivided into chambers or pockets, flats or sheets, and pipe veins. 1973 Jrnl. Afr. Hist. 14 627 All the gold found in the basin of the Falémé came ultimately from ores that once existed in quartz pipe veins scattered here and there along the ridge line. < as lemmas |
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