| 释义 |
eurite Min.|ˈjʊəraɪt|
[a. Fr. eurite, f. Gr. εὔρυτος (recorded in sense ‘flowing plentifully’), f. εὖ well + ῥέειν to flow.
D'Aubuisson, who gave the name in 1819, states (Géognosie II. 119) that he meant it to denote ‘the principal characteristic of the rock, viz. its melting when exposed to fire’.]
‘A variety of syenite occurring near Christiania, of a blue colour and stratified’. (Watts.)
1847Craig, Eurite, White-stone, the Weiss-stein of Werner. A variety of granite, in which felspar predominates. 1852Th. Ross tr. Humboldt's Trav. I. xv. 490 note, Talkschiefer of Werner, without garnets or serpentine; not eurite or weisstein. 1879Rutley Study Rocks xii. 214 The eurites proper are more easily fusible than the felstones.
Hence euˈritic |jʊəˈrɪtɪk|, a., pertaining to or consisting of eurite.
1844Darwin Geol. Observ. ii. xix. (1876) 470 Near the Pacific, the mountain-ranges are generally formed of syenite or granite, or an allied euritic porphyry. 1879Rutley Study Rocks x. 152 A globular condition of silica..occurring in the euritic porphyries of Les Settons. |