单词 | peralkalic |
释义 | peralkalicadj. Geology. = peralkaline adj. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > mineral or chemical composition > [adjective] > containing specific mineral siliceous1656 auriferous1744 siliciferous1794 silicited1794 talcose1794 aluminiferous1804 silicated1806 venigenous1817 stanniferous1823 alumiferous1826 quartziferous1831 quartzofeldspathic1839 stannified1855 tinnified1855 acidic1876 lime-silicate1888 peralkalic1902 potassic1902 sodic1902 sodipotassic1902 felsic1912 peralkaline1913 peraluminous1927 1902 W. Cross et al. in Jrnl. Geol. (Chicago) 10 592 The divisions in classes I, II, and III are fivefold: Rang 1: K2O′ + Na2O′/ CaO′ > 7/ 1, peralkalic. 1976 Nature 10 June 482/1 The Saint Francois Mountains form a distinctive unmetamorphosed igneous complex comprising chiefly alkalic to peralkalic rhyolite and granite. 1998 Jrnl. Volcanol. & Geothermal Res. 83 1 Postglacial mildly alkalic to peralkalic silicic lavas and lava domes..have erupted from a family of fissures. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < adj.1902 |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。