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Metamorphic rock containing mica; its crystals are arranged in parallel layers or bands. Schist may contain additional minerals such as garnet.

The sedimentary rocks mudstone and shale become slate under stress. When slate is subjected to higher temperatures and pressure schist is formed. The temperature causes recrystallization of new minerals, such as mica, and the pressure causes the new minerals to be aligned in bands.


Whats it like to climb on Mica-schist? -

Where to climb on Mica-schist in Scotland

Many of Scotland's Sport climbing crags are Mica-schist

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