| 单词 |
phyllite |
| 释义 |
phyllite|ˈfɪlaɪt|
[f. Gr. ϕύλλον a leaf + -ite1.]
1. Min.
a. A species of magnesia-mica, occurring in small scales in argillaceous schist or slate.
b. A rock consisting of an argillaceous schist or slate containing scales or flakes of mica.
See A. R. Hunt Notes on Petrolog. Nomencl. in Geol. Mag. Jan. 1896, 31–35.
a.1828Thomson in Ann. N.Y. Lyceum Nat. Hist. III. 47 Phyllite..will probably constitute a new species. 1862Dana Man. Geol. vi. 77 The ottrelite has been called phyllite. 1892― Min. (ed. 6) 642.
b.1881Rep. Geol. Expl. N. Zealand 128 A series of less altered rocks (phyllites) form the northern part of the Eyrie Mountains. 1886Geikie Class-bk. Geol. 223 By increase of its mica-flakes a clay-slate passes into a phyllite. 1892Teall in Proc. Somerset Archæol. Soc. 211 A schistose rock intermediate between a phyllite and a mica-schist.
2. Geol. A general name for a fossil leaf. ? Obs.
1843W. Humble Dict. Geol. & Min., Phyllite, a pertrified leaf.
Hence phyllitic |fɪˈlɪtɪk| a., consisting of or having the character of phyllite.
1888Nature 8 Nov. 31/1 Generally the slates are schistose, phyllitic, and chiastolitic. |
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