| 释义 |
grorudite Petrogr.|ˈgrəʊrʊdaɪt|
[a. G. grorudite (W. C. Brögger 1890, in Zeitschr. f. Krystallogr. XVI. i. 66), f. Grorud, name of a locality now included in the north-eastern part of the city of Oslo, Norway + -ite1.]
(See quot. 1960.)
1896J. F. Kemp Handbk. Rocks 140 Grorudite, Brögger's name for a porphyritic dike rock from Grorud, near Christiania, Norway. 1926H. H. Read et al. Geol. Strath Oykell 72 The grorudites of the Loch Ailsh mass carry much less ægirine than the type grorudites of Norway. 1960Gloss. Geol. (Amer. Geol. Inst.) (ed. 2) 131/1 Grorudite, a hypabyssal rock with trachytoid texture containing phenocrysts of alkalic feldspar and aegirine and much quartz. |