definition of slate rock - EAS
- https://geology.com/rocks/slate.shtml
Slate is composed mainly of clay minerals or micas, depending upon the degree of metamorphism to which it has been subjected. The original clay minerals in shale alter to micas with increasing levels of heat and pressure. Slate can also contain abundant quartz and small amounts of feldspar, calcite, pyrite, hematite… See more
Most slates are gray in color and range in a continuum of shades from light to dark gray. Slate also occurs in shades of green, red, black, purple, and brown. The color of slate is often determined b… See more
The tectonic environment for producing slate is usually a former sedimentary basin that becomes involved in a … See more
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Slate Rock Definition, Composition, and Uses - ThoughtCo
https://www.thoughtco.com/slate-rock-definition...May 29, 2018 · Slate is a metamorphic rock with a dull luster. The most common color of slate is gray, but it can also be brown, green, purple, or blue. Slate is …
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- https://www.merriam-webster.com/dictionary/slate
1. : a piece of construction material (such as laminated rock) prepared as a shingle for roofing and siding. 2. : a dense fine-grained metamorphic rock produced by the compression …
- https://en.wikipedia.org/wiki/Slate
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. It is the finest grained foliated metamorphic rock. Foliation may not correspond to the original sedimentary layering, but instead is in planes perpendicular to the direction of metamorphic compression.
Wikipedia · Text under CC-BY-SA license - https://www.britannica.com/science/slate-geology
slate, fine-grained, clayey metamorphic rock that cleaves, or splits, readily into thin slabs having great tensile strength and durability; some other …
- https://www.dictionary.com/browse/slate
slate [ slāt ] A fine-grained metamorphic rock that forms when shale undergoes metamorphosis. Slate splits into thin layers with smooth surfaces. It ranges in color from gray to black or from …
- https://geologyscience.com/rocks/metamorphic-rocks/slate
Slate is a fine-grained, foliated metamorphic rock this is created via the alteration of shale or mudstone by means of low-grade local metamorphism. It is famous for a extensive form of …
- https://www.britannica.com/dictionary/slate
Britannica Dictionary definition of SLATE. 1. [noncount] : a type of hard rock that splits easily into thin layers. Some school blackboards are made of slate. 2. [count] : a small sheet of slate …
- https://www.thefreedictionary.com/Slate+rocks
Slate rocks. (Min.) rocks which split into thin laminæ, not necessarily parallel to the stratification; foliated rocks. See also: Slate. Webster's Revised Unabridged Dictionary, published 1913 by …
Slate rocks Definition, Meaning & Usage | FineDictionary.com
https://www.finedictionary.com/Slate rocksSlate rocks (Min)rocks which split into thin laminæ, not necessarily parallel to the stratification; foliated rocks. Usage in the news # A prime example is the Sal Hench Memorial Community …
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