| 释义 |
galena Min.|gəˈliːnə|
Also 7–9 galæna.
[a. L. galēna, a name applied by Pliny to lead at a certain stage in the process of smelting; commonly, but perh. erroneously, identified with Gr. γαλήνη a calm.]
Native lead sulphide; the common lead ore. false galena or pseudo galena = Black Jack 2. Also called lead-glance.
[1601Holland Pliny II. 517 The third part of the vein which remaineth behind in the furnace, it is Galæna, that is to say, the very mettal it selfe of lead.] 1671J. Webster Metallogr. xiii. 201 Galena, or the hardest of Lead ore. 1753Chambers Cycl. Supp., Galena, a name given by mineralists to a species of poor lead ore. 1796Kirwan Elem. Min. (ed. 2) II. 218 Lead in Galena is in its metallic state. 1812Brackenridge Views Louisiana (1814) 148 The ore is what is called potter's ore, or galena, and has a broad shining grain. 1879R. J. Atcherley Boërland 186 Parkins showed me a reef of galena on his farm.
attrib.1806Gazetteer Scotl. 552 A specimen of galena lead ore was found in a small stream which runs into the Quair. 1872R. B. Smyth Mining Statist. 91 Traces of silver have been found by the lessees of a galena lease at Murindal Creek. 1872Raymond Statist. Mines & Mining 24 The greater number of the veins located near the center of the district are so-called ‘galena ledges’. |