| 释义 |
microperthite Min.|maɪkrəʊˈpɜːθaɪt|
[f. micro- + perthite.]
(See quot. 1885.) Hence microperˈthitic a., pertaining to or resembling microperthite.
1885Geikie Text-bk. Geol. (ed. 2) 132 note, F. Becke..described this structure and names it microperthite. Ibid. 133 The felspar..presents the peculiar fibrous structure referred to in the foregoing description of gneiss (microperthite, microcline). 1888Teall Brit. Petrogr. 31 The microscopic equivalent of perthite termed microperthite by F. Becke. 1888Nature 15 Mar. 459/2 Judging from the frequent occurrence of striated and microperthitic felspars. |