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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.

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 ... What is the sedimentary rock formed from sand deposits called?

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

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

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 ...

wiki.kidzsearch.com/wiki/Slate

Apr 24, 2013 ... Slate is a metamorphic rock. It is formed from shale by being under pressure and moderate heat. Shale itself is formed from muddy clay, and ...

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.