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How is Rock Art aged?
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Re: How is Rock Art aged?Moving On
Dec 19, 2012, 18:50
Sanctuary wrote:
tiompan wrote:
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 .

What even in granite George?

Granite would take longer but it is not used too often .It does tend have lots of natural cup like holes that could help as a start i.e. they that just get enhanced . Although granite on granite would work with nothing to enhance ,just take longer , the more complex motifs are usually avoided too .
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