| 单词 | zircon-syenite |
| 释义 | > as lemmaszircon-syenite zircon-syenite n. Geology a plutonic rock resembling syenite and containing a relatively large amount of zircon.In early use perhaps referring to nepheline-syenite n. [After German Zirkonsyenit (1810 or earlier in the source translated in quot. 1813).] ΚΠ 1813 J. Black tr. L. von Buch Trav. Norway & Lapland iii. 64 I went a few steps farther, and zircon syenite [Ger. Zircon-syenit] lay immediately above the porphyry. 1879 F. Rutley Study of Rocks x. 108 Elæolite is a constituent of the rocks zircon-syenite, foyaite, miascite, and ditroite. 1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) iii. 70 Zircon is widespread and at a few places affords megascopic crystals, so that the rocks were named zircon-syenite before the nepheline was recognized. 2001 Jrnl. & Proc. Royal Soc. New S. Wales 134 109/2 A xenolith of zircon syenite from basalt near Daylesford. < as lemmas |
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