| 释义 |
ˈvein-stone
Also veinstone.
[f. vein n.]
1. Stone or earthy matter composing a vein and containing metallic ore; gangue, matrix.
1709T. Robinson Nat. Hist. Westmoreld. 37 The appearance of several Veins of Spar, Soil, and Vein-Stone breaking out upon the Surface. 1789J. Williams Min. Kingd. I. 273 Several feet wide of ore, mixed with spar and vein⁓stone. Ibid. 284 What I call veinstone, is a compound mineral concretion, of various colours, appearances, and degrees of hardness. 1830Lyell Princ. Geol. I. 423 Before sufficient time is allowed for the accretion of a large quantity of veinstone. 1869Eng. Mech. 31 Dec. 380/1 Quartzose veinstone often contains iron pyrites. 1882U.S. Rep. Prec. Met. 599 A simple and cheap mode of extracting the gold from low-grade vein-stone.
b. With pl.: A portion or variety of this.
a1728Woodward Fossils i. 163 Vein-stones, or Bodies consisting of Spar, earthy Stones, or other Matter..found lodg'd in the Veins..of the Strata along with the Ores of Metals and Minerals. 1799Kirwan Geol. Ess. 410 Of these, the most soluble were first carried off,..and being deposited on the surfaces of the rift, formed, what are called, the vein⁓stones. 1833–4J. Phillips Geol. in Encycl. Metrop. (1845) VI. 777/1 The veinstones are chiefly quartz. 1883Science I. 130/1 All serpentines not veinstones..appear to belong to peridotite.
2. = phlebolite, -lith.
1835Cycl. Pract. Med. IV. 443/1 Of phlebolites, vein⁓stones, or calculi in the veins. 1849–52Todd's Cycl. Anat. IV. ii. 1400/2 The curious bodies called phlebolites, phlebolithes, or vein-stones,..are true vascular calculi. |