单词 | nephelinitic |
释义 | nepheliniticadj. Geology. Containing, resembling, or characteristic of nephelinite. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > trap > basalt > other basaltic palagonitic1867 tachylitic1888 tephritic1889 nephelinitic1909 spilitic1911 tholeiitic1922 shoshonitic1937 ankaramitic1971 1909 J. P. Iddings Igneous Rocks I. ii. ii. 386 Rocks rich in feldspar have a trachytic texture; those rich in nephelite have a nephelinitic texture. 1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 733 Pegmatites of the contact zone of the nephelinitic intrusive of the Chibina tundra, Kola. 1993 Jrnl. Petrol. 34 119 Evolved alkaline liquids can be derived through extensive crystal fractionation of parental basanitic or nephelinitic magmas. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < adj.1909 |
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