How is Rock Art aged?

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thesweetcheat T
thesweetcheat Dec 17, 2012 21:28:11
Replying to tiompan

tiompan wrote:
thesweetcheat wrote:
This is more like the bottom part of a sphere (like it's been scraped out with an ice-cream scoop, but not to any great depth). Does that make sense?
Yep , sometimes shallow cups are result of weathering . What type of stone is it d ?
Old red sandstone, so quite easily worn.

T tiompan
tiompan Dec 17, 2012 22:50:01
Replying to thesweetcheat

thesweetcheat wrote:
tiompan wrote:
thesweetcheat wrote:
This is more like the bottom part of a sphere (like it's been scraped out with an ice-cream scoop, but not to any great depth). Does that make sense?
Yep , sometimes shallow cups are result of weathering . What type of stone is it d ?
Old red sandstone, so quite easily worn.
Ideal .