单词 | phaneritic |
释义 | phaneriticadj. Geology. Of an igneous rock: containing macroscopic mineral grains. Cf. phanerite n. ΚΠ 1914 Science 17 July 103/1 The granular or phaneritic rocks are treated on the assumption that in most cases their mineral composition can be approximately determined. 1971 Amer. Jrnl. Archaeol. 73 68/2 The author has seen two leucocratic (light colored), phaneritic (individual grains easily seen with the naked eye) examples which were probably quartz diorite. 2003 Precambrian Res. 126 1 The mafic volcanics are phaneritic, fine-grained, and are often strongly hydrothermally altered. This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022). < adj.1914 |
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