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Disgrifiad

Example of contents in a geological box which is held in Anglesey's Centre for Art and History.

Item 1 (OYM29)
Type: Quartzite mica schist, RTZ core, unprovinanced.
Geological Age: Cambrian
Location: Holy Island, Anglesey
Historic Info: This rock comes from Holy Island off Anglesey. This kind of rock is 'metamorphic' which means it has been changed, due to heat or pressure.

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