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How is Rock Art aged?
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Re: How is Rock Art aged?Moving On
Dec 19, 2012, 18:17
Emma A wrote:
OK so how do you do it? I imagine using a spherical stone (quartz?) cupped in the hand and grinding it against the "canvas", twisting the wrist. To make a straight line, you'd use a sawing action which seems much easier and less strenuous to me!

yep , easier with a pointed stone , quartz works bt as long as the engraving stone is harder the surface geology , it takes about 10 minutes for an average cup .
You do find grooves that look like they have been icised rather than pecked .
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