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

A: Shale is a sedimentary rock while slate is a metamorphic rock formed from shale. Slate is much more durable than shale due to the metamorphic process it un ...

www.britannica.com/science/slate-geology

Mar 7, 2009 ... Slate was formed under low-grade metamorphic conditions—i.e., under relatively low temperature and pressure. The original material was a ...

.ask.com/youtube?q=How+Is+Slate+Formed%3F&v=q8XJPP1Gm6M
Mar 21, 2011 ... TRAINING VIDEO ABOUT SLATE MINERALOGY BASICS.

www.ssqgroup.com/resource-centre/the-geology-of-slate

Rock is a natural, geologically-created material composed of minerals. 'How' a particular rock was formed leads to its classification which is generally ei.

.ask.com/youtube?q=How+Is+Slate+Formed%3F&v=MITAlvRIXTM
Aug 22, 2014 ... Slate is a fine-grained, foliated, homogeneous metamorphic rock derived ... Slate is not to be confused with shale, from which it may be formed, ...

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

Jan 16, 2017 ... Slate is formed by the compression of shale by tectonic action. It is considered a metamorphic rock. The clay minerals recrystallize into a ...