Definition of Mica slate. Meaning of Mica slate. Synonyms of Mica slate

Here you will find one or more explanations in English for the word Mica slate. Also in the bottom left of the page several parts of wikipedia pages related to the word Mica slate and, of course, Mica slate synonyms and on the right images related to the word Mica slate.

Definition of Mica slate

Mica slate
Mica Mi"ca, n. [L. mica crumb, grain, particle; cf. F. mica.] (Min.) The name of a group of minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in composition, and vary in color from pale brown or yellow to green or black. The transparent forms are used in lanterns, the doors of stoves, etc., being popularly called isinglass. Formerly called also cat-silver, and glimmer. Note: The important species of the mica group are: muscovite, common or potash mica, pale brown or green, often silvery, including damourite (also called hydromica); biotite, iron-magnesia mica, dark brown, green, or black; lepidomelane, iron, mica, black; phlogopite, magnesia mica, colorless, yellow, brown; lepidolite, lithia mica, rose-red, lilac. Mica (usually muscovite, also biotite) is an essential constituent of granite, gneiss, and mica slate; biotite is common in many eruptive rocks; phlogopite in crystalline limestone and serpentine. Mica diorite (Min.), an eruptive rock allied to diorite but containing mica (biotite) instead of hornblende. Mica powder, a kind of dynamite containing fine scales of mica. Mica schist, Mica slate (Geol.), a schistose rock, consisting of mica and quartz with, usually, some feldspar.

Meaning of Mica slate from wikipedia

- metamorphosed to mica, producing a mica schist. Early stages of metamorphism convert mudstone to a very fine-grained metamorphic rock called slate, which with...
- rich in mica, it should be described as a pelite. Slate can be made into roofing slate, a type of roof tile which are installed by a slater. Slate has two...
- mica, and chlorite. Phyllite has fine-grained mica flakes, whereas slate has extremely fine mica flakes, and schist has large mica flakes, all mica flakes...
- alternates with gneiss and mica slate. In the central portions of town, the previous rocks are replaced by dark argillaceous slate. This alternates with siliceous...
- metamorphic limestone, slate, mica schist, gneiss and granite. In ancient times it was mined in Upper Egypt and is still found in the mica slate of Mt. Zaborah...
- rock sometimes approaches the condition of gneiss and sometimes that of mica slate. There are manifest traces of anthracite, especially at the Bifertengrätli...
- very little remains of the enclosure wall. This fine tower, built of mica-slate inters****d with granite is about 30 metres high, with an entrance 3...
- preferred orientation of planar large mica flakes in schist (schistosity), the preferred orientation of small mica flakes in phyllite (with its planes having...
- gray/blue/black color and glistens due to its mica content. One of the highest quality slates in the world, this unfading slate has long been used for architectural...
- gray/blue/black color and glistens due to its mica content. One of the highest quality slates in the world, this unfading slate has long been used for architectural...