Experimental knapping of heated silcrete, shown here by Dr. V. Mourre, using a bone retoucher (pressure flaking) This photo was take in Ménerbes, France, May 2010. This image relates to an ...

A Still Bay bifacial point from Blombos Cave made on silcrete and finished by pressure flaking, mainly at the tip. This image relates to an article that appeared in the Oct. 29, 2010, issue of ...