Igneous Rocks

Taken 1-May-06

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3 of 67 photos

HRS 785 Craig Celynin tephra 'ash'

A boulder made of unusually large fragments of volcanic ash - known as tuff. The ash was probably deposited into water.

No EXIF information is available

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Keywords:boulders, conwy, craig celynin, cymru, erratics, geology, rowen, tephra, tuff, volcanic ash, wales