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en.wikipedia.org/wiki/Slate

Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original ... Slate is not to be confused with shale, from which it may be formed, or schist. The word "slate" is also used for certain types of object made from slate ...

geology.com/rocks/slate.shtml

Slate is a foliated metamorphic rock that forms from the metamorphism of shale. ... Slate is composed mainly of clay minerals or micas, depending upon the degree of .... Organic Gems are gems formed from or by plants or animals. They might ...

flexiblelearning.auckland.ac.nz/rocks_minerals/rocks/slate.html

Slate is a low grade metamorphic rock generally formed by the metamorphosis of mudstone / shale, or sometimes basalt, under relatively low pressure and ...

www.britannica.com/science/slate-geology

Slate was formed under low-grade metamorphic conditions—i.e., under relatively low temperature and pressure. The original material was a fine clay, ...

www.reference.com/science/slate-form-f575b7fa9b2cf85f

Slate usually forms in a tectonic environment when a convergent plate boundary meets a basin that was once made of sedimentary rock. Heat and pressure ...

www.quora.com/How-does-slate-form-naturally

Slate is formed by the compression of shale by tectonic action. It is considered a metamorphic rock. The clay minerals recrystallize into a sometimes dense form ...

www.softschools.com/facts/geology/slate_facts/389

Slate is a metamorphic rock that forms from mudstone or shale. The mudstone or shale normally contains ... Slate normally is formed from a sedimentary rock.

www.ask.com/youtube?q=How+Is+Slate+Formed%3F&v=MITAlvRIXTM
Aug 22, 2014 ... Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or ...

rocks.comparenature.com/en/formation-of-slate/model-2-8

Along with Slate Formation, also learn about Slate composition and transformation.