On 03-Nov-2015 5:16 PM, John Wood wrote:
> What is important is the interpretation of these marks on this
> surface. To me this looks like a cutting surface. If you cut anything
> up it helps if you have a surface to cut it upon, and that is what I
> think we are seeing here.
'Ruling out more mundane explanations, such as the rocks being used as
cutting boards, was a complicated process. Dr Conneller explained: "The
microscopic study... shows that there is organisation to the design,
with two groups of lines, one set straight and made with a fine tool,
and another more curved and often broader.
"This suggests to us something beyond a functional explanation."'
This email has been checked for viruses by Avast antivirus software.