单词 | microperthitic |
释义 | microperthiticadj. Mineralogy. Having the structure characteristic of microperthite. ΚΠ 1888 Nature 15 Mar. 459/2 Judging from the frequent occurrence of striated and microperthitic felspars. 1963 Nature 27 July 346/2 The Mahé granite is characterized by ubiquitous microperthitic feldspar and a deep green hastingsite amphibole. 1986 Jrnl. Structural Geol. 8 133 Optical and transmission electron microstructures of microperthitic alkali feldspars show evidence of syntectonic and synchronous dislocation climb (leading to recovery). This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < adj.1888 |
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