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Slate

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"...

Slate: Metamorphic Rock - Pictures, Definition & More - Geology.com

geology.com/rocks/slate.shtml

Slate is a foliated metamorphic rock that forms from the metamorphism of shale.

How does slate form? | Reference.com

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 ...

slate | geology | Britannica.com

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, ...

Metamorphic rocks - BBC

www.bbc.co.uk/bitesize/ks3/science/environment_earth_universe/rock_cycle/revision/5/

When a metamorphic rock is formed under pressure, its crystals become arranged in layers. Slate, which is formed from shale, is like this. Slate is useful for ...

Slate - Metamorphic Rock Types - Geology - About.com

geology.about.com/od/rocks/ig/metrockindex/rocpicslate.htm

Slate is a major metamorphic rock type from regional metamorphism. ... Then the clays begin to revert to the mica minerals from which they formed. This does ...

slate - Infoplease

www.infoplease.com/encyclopedia/science/slate.html

slate. slate, fine-grained rock formed when sedimentary rocks such as shale are metamorphosed by great pressure. Slate splits into perfectly cleaved, broad thin ...

www.ask.com/youtube?q=How Is Slate Formed?&v=vgWoTXC-hAY
Jun 2, 2014 ... Sedimentary rocks are formed over millions of years, as various ... Like many metamorphic rocks, slate will look as if it is formed in layers or ...

Slate - Minerals Zone

www.mineralszone.com/stones/slate.html

In other words slates are generally formed by low-grade regional metamorphism of pelithic sediments or fine-grained tuffs. It can be associated with other ...

Metamorphic Rocks formation properties examples slate marble ...

www.docbrown.info/page21/GeoChangesANS06.htm

METAMORPHIC ROCKS - Slate & Marble etc. Metamorphic rocks are formed from pre-existing sedimentary rocks or igneous rocks. Under the effect of heat and ...

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Slate - Geology - rocks and minerals

flexiblelearning.auckland.ac.nz

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

Slate Facts - Softschools

www.softschools.com

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.

Slate | Minerals Education Coalition

mineralseducationcoalition.org

Slate is a metamorphic rock derived from shale. Slate has a dull appearance and occurs in a number of colors including light and dark gray, green, purple a.