GCSE SCIENCE CHEMISTRY HIGH SCHOOL - Metamorphic Rock - Marble

Metamorphic Rocks - Marble.

Marble is formed from limestone. At high temperatures and pressures,
the shells which formed limestone break down and recrystallise.
The resultant rock is called marble,
which is much harder than limestone, with a smooth even texture.

Marble is a valuable rock for construction and decoration.
It can be polished to produce an attractive mottled surface.
Marble is still calcium carbonate,
and reacts chemically in the same way as limestone.

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