
1) Metamorphic rock
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https://www.crosswordclues.com/clue/phyllite

Phyllite is a type of foliated metamorphic rock created from slate that is further metamorphosed so that very fine grained white mica achieves a preferred orientation. It is primarily composed of quartz, sericite mica, and chlorite. Phyllite has fine-grained mica flakes in a preferred orientation, whereas slate has extremely fine clay flakes that ...
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http://en.wikipedia.org/wiki/Phyllite

• (n.) Clay slate; argillaceous schist. • (n.) A mineral related to ottrelite.
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http://thinkexist.com/dictionary/meaning/phyllite/

fine-grained metamorphic rock formed by the reconstitution of fine-grained, parent sedimentary rocks, such as mudstones or shales. Phyllite has a ... [1 related articles]
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http://www.britannica.com/eb/a-z/p/62

A foliated metamorphic rock that develops from slate and is marked by a silky sheen and medium grain size.
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http://www.encyclo.co.uk/local/22291

A foliate metamorphic rock that is made up mainly of very fine-grained mica. The surface of phyllite
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http://www.encyclo.co.uk/local/22392
Phyl'lite noun [ See
Phylo- .]
(Min.) (a) A mineral related to ottrelite.
(b) Clay slate; argillaceous schist.
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http://www.encyclo.co.uk/webster/P/79

Phyllite is a clay rock, resembling slate, but containing a large percentage of fine, silky, pale- coloured mica. It splits readily, and has a shimmering lustre on the surface.
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http://www.probertencyclopaedia.com/browse/HP.HTM

See under soil type. Floor type Next to climate and grape variety, one of the most important factors influencing the quality of wine. The different soil types have developed over millions of years through physical and chemical weathering of rocks and through humification of organic matter. During physical weathering, natural forces such as win...
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https://glossary.wein.plus/phyllite

A metamorphosed mudstone with a silky sheen, more coarse-grained than a slate and less coarse-grained than a schist.
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https://www.encyclo.co.uk/local/22327
No exact match found.