| 释义 |
Definition of phyllite in English: phyllitenoun ˈfɪlʌɪtˈfɪlaɪt mass nounGeology A fine-grained metamorphic rock with a well-developed laminar structure, intermediate between slate and schist. Example sentencesExamples - Foliated rocks may be slate, phyllite, or schist according to grain size.
- Clasts in this facies are commonly arranged into stripes of a single lithology (typically phyllite, schist, quartzite or marble) and show peaks in the angular and very angular classes.
- It is composed of gneiss and migmatite that contain minor lenses of schist, marble, phyllite and quartzite.
- The sequence comprises Lower Ordovician conglomerates and carbonates overlain by Upper Ordovician to Middle Devonian limestone with occasional phyllite and quartzite.
- It is underlain by schist, phyllite, and quartzite, although outcrops of serpentine are common in the area.
Origin Late 19th century: from Greek phullon 'leaf' + -ite1. Definition of phyllite in US English: phyllitenounˈfɪlaɪtˈfilīt Geology A fine-grained metamorphic rock with a well-developed laminar structure, intermediate between slate and schist in degree of metamorphism. Example sentencesExamples - The sequence comprises Lower Ordovician conglomerates and carbonates overlain by Upper Ordovician to Middle Devonian limestone with occasional phyllite and quartzite.
- It is composed of gneiss and migmatite that contain minor lenses of schist, marble, phyllite and quartzite.
- Clasts in this facies are commonly arranged into stripes of a single lithology (typically phyllite, schist, quartzite or marble) and show peaks in the angular and very angular classes.
- It is underlain by schist, phyllite, and quartzite, although outcrops of serpentine are common in the area.
- Foliated rocks may be slate, phyllite, or schist according to grain size.
Origin Late 19th century: from Greek phullon ‘leaf’ + -ite. |