Rock 365 : Day 303 : Phyllite

20101030

Day 303 : A weekend away in Anglesey, Wales on a glacial landforms
fieldtrip. This is the bed rock at Trwyn Cemlyn, near Wylfa Head. The
Late Proterozoic phyllites of the New Harbour Group have had their
colour altered by fluid passing along small faults.

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~ by hypocentre on November 3, 2010.

 
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